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Motapon, O. ; Ndengue, S. A. ; Sen, K. D. (2011) Static and dynamic dipole polarizabilities and electron density at origin: ground and excited states of hydrogen atom confined in multiwalled fullerenes International Journal of Quantum Chemistry, 111 (15). pp. 4425-4432. ISSN 0020-7608

Hall, Richard L. ; Saad, Nasser ; Sen, K. D. (2011) Spectral characteristics for a spherically confined −a/r + br² potential Journal of Physics A: Mathematical and Theoretical, 44 (18). No pp. given. ISSN 1751-8113

Pan, Xiao-Yin ; Sahni, Viraht ; Massa, Lou ; Sen, K. D. (2011) New expression for the expectation value integral for a confined helium atom Computational and Theoretical Chemistry, 965 (1). pp. 202-205. ISSN 1432-881X

Wilson, C. L. ; Montgomery Jr., H. E. ; Sen, K. D. ; Thompson, D. C. (2010) Electron correlation energy in confined two-electron systems Physics Letters A, 374 (43). pp. 4415-4419. ISSN 0375-9601

Esquivel, Rodolfo O. ; Flores-Gallegos, Nelson ; Dehes, Jess S. ; Angulo, Juan Carlos ; Antoln, Juan ; Lpez-Rosa, Sheila ; Sen, K. D. (2010) Phenomenological description of a three-center insertion reaction: an information-theoretic study The Journal of Physical Chemistry A, 114 (4). pp. 1906-1916. ISSN 1089-5639

Katriel, Jacob ; Sen, K. D. (2010) Relativistic effects on information measures for hydrogen-like atoms Journal of Computational and Applied Mathematics, 233 (6). pp. 1399-1415. ISSN 0377-0427

González-Férez, R. ; Dehesa, J. S. ; Patil, S. H. ; Sen, K. D. (2009) Scaling properties of composite information measures and shape complexity for hydrogenic atoms in parallel magnetic and electric fields Physica A: Statistical Mechanics and its Applications, 388 (23). pp. 4919-4925. ISSN 0378-4371

Hall, Richard L. ; Saad, Nasser ; Sen, K. D. ; Ciftci, Hakan (2009) Energies and wave functions for a soft-core Coulomb potential Physical Review A, 80 (3). 032507_1-032507_9. ISSN 1050-2947

Howard, I. A. ; Borgoo, A. ; Geerlings, P. ; Sen, K. D. (2009) Comparative characterization of two-electron wavefunctions using information-theory measures Physics Letters A, 373 (36). pp. 3277-3280. ISSN 0375-9601

Nagy, Á. ; Sen, K. D. ; Montgomery Jr., H. E. (2009) LMC complexity for the ground states of different quantum systems Physics Letters A, 373 (30). pp. 2552-2555. ISSN 0375-9601

Montgomery Jr., H. E. ; Sen, K. D. (2009) Electron density and its derivatives at the nucleus for spherically confined hydrogen atom International Journal of Quantum Chemistry, 109 (4). pp. 688-692. ISSN 0020-7608

Stevanović, Lj. ; Sen, K. D. (2008) Eigenspectrum properties of the confined 3D harmonic oscillator Journal of Physics B: Atomic, Molecular and Optical Physics, 41 (22). 225002_1-225002_6. ISSN 0953-4075

Stevanović, Lj. ; Sen, K. D. (2008) Simultaneous degeneracy of the confined 2D hydrogen atom energy levels Journal of Physics B: Atomic, Molecular and Optical Physics, 41 (20). 205002_1-205002_9. ISSN 0953-4075

Howard, I. A. ; Sen, K. D. ; Borgoo, A. ; Geerlings, P. (2008) Characterization of the Chandrasekhar correlated two-electron wavefunction using Fisher, Shannon and statistical complexity information measures Physics Letters A, 372 (42). pp. 6321-6324. ISSN 0375-9601

Baye, D. ; Sen, K. D. (2008) Confined hydrogen atom by the Lagrange-mesh method: energies, mean radii, and dynamic polarizabilities Physical Review E - Statistical, Nonlinear and Soft Matter Physics, 78 (2). 026701_1-026701_7. ISSN 1539-3755

Borgoo, A. ; Geerlings, P. ; Sen, K. D. (2008) Electron density and Fisher information of Dirac-Fock atoms Physics Letters A, 372 (31). pp. 5106-5109. ISSN 0375-9601

Stevanović, Lj. ; Sen, K. D. (2008) A study of the confined 2D isotropic harmonic oscillator in terms of the annihilation and creation operators and the infinitesimal operators of the SU(2) group Journal of Physics A: Mathematical and Theoretical, 41 (26). 265203_1-265203_14. ISSN 1751-8113

Szabó, J. B. ; Sen, K. D. ; Nagy, Á. (2008) The Fisher-Shannon information plane for atoms Physics Letters A, 372 (14). pp. 2428-2430. ISSN 0375-9601

Montgomery Jr., H. E. ; Sen, K. D. (2008) Statistical complexity and Fisher-Shannon information measure of H⁺₂ Physics Letters A, 372 (13). pp. 2271-2273. ISSN 0375-9601

Angulo, J. C. ; Antolín, J. ; Sen, K. D. (2008) Fisher-Shannon plane and statistical complexity of atoms Physics Letters A, 372 (5). pp. 670-674. ISSN 0375-9601

Cohen, S. ; Themelis, S. I. ; Sen, K. D. (2008) Dynamic dipole polarizabilities of the ground and excited states of confined hydrogen atom computed by means of a mapped Fourier grid method International Journal of Quantum Chemistry, 108 (2). pp. 351-361. ISSN 0020-7608

Patil, S. H. ; Sen, K. D. (2007) Scaling properties of net information measures for superpositions of power potentials: free and spherically confined cases Physics Letters A, 370 (3-4). pp. 354-360. ISSN 0375-9601

Sen, K. D. ; Antolín, J. ; Angulo, J. C. (2007) Fisher-Shannon analysis of ionization processes and isoelectronic series Physical Review A, 76 (3). 032502_1-032502_7. ISSN 1050-2947

Borgoo, A. ; De Proft, F. ; Geerlings, P. ; Sen, K. D. (2007) Complexity of Dirac-Fock atom increases with atomic number Chemical Physics Letters, 444 (1-3). pp. 186-191. ISSN 0009-2614

Patil, S. H. ; Sen, K. D. ; Watson, N. A. ; Montgomery Jr., H. E. (2007) Characteristic features of net information measures for constrained Coulomb potentials Journal of Physics B: Atomic, Molecular and Optical Physics, 40 (11). pp. 2147-2162. ISSN 0953-4075

Sen, K. D. ; Panos, C. P. ; Chatzisavvas, K. Ch. ; Moustakidis, Ch. C. (2007) Net Fisher information measure versus ionization potential and dipole polarizability in atoms Physics Letters A, 364 (3-4). pp. 286-290. ISSN 0375-9601

Patil, S. H. ; Sen, K. D. (2007) Uncertainty relations for modified isotropic harmonic oscillator and Coulomb potentials Physics Letters A, 362 (2-3). pp. 109-114. ISSN 0375-9601

Montgomery Jr., H. E. ; Aquino, N. A. ; Sen, K. D. (2007) Degeneracy of confined D-dimensional harmonic oscillator International Journal of Quantum Chemistry, 107 (4). pp. 798-806. ISSN 0020-7608

Patil, S. H. ; Sen, K. D. (2007) Net information measures for modified Yukawa and Hulthén potentials International Journal of Quantum Chemistry, 107 (9). pp. 1864-1874. ISSN 0020-7608

Nagy, Á. ; Sen, K. D. (2006) Atomic Fisher information versus atomic number Physics Letters A, 360 (2). pp. 291-293. ISSN 0375-9601

Howard, I. A. ; Sen, K. D. ; March, N. H. ; de Proft, F. ; Geerlings, P. (2006) Exchange force for two-level systems such as LiH and H₃⁻ Chemical Physics Letters, 430 (1-3). pp. 156-159. ISSN 0009-2614

Sen, K. D. ; Roy, Amlan K. (2006) Studies on the 3D confined potentials using generalized pseudospectral approach Physics Letters A, 357 (2). pp. 112-119. ISSN 0375-9601

Sen, K. D. ; Engel, Eberhard (2006) Relativistic effective exchange-charge density integral and shell boundaries in Nobelium atom Journal of Molecular Structure: Theochem, 762 (1-3). pp. 165-169. ISSN 0166-1280

Aquino, N. ; Garza, Jorge ; Flores-Riveros, A. ; Rivas-Silva, J. F. ; Sen, K. D. (2006) Confined helium atom low-lying S states analyzed through correlated Hylleraas wave functions and the Kohn-Sham model Journal of Chemical Physics, 124 (5). 054311_1-054311_8. ISSN 0021-9606

Sen, K. D. ; Katriel, Jacob (2006) Information entropies for eigendensities of homogeneous potentials Journal of Chemical Physics, 125 (7). 074117_1-074117_4. ISSN 0021-9606

Patil, S. H. ; Sen, K. D. ; Varshni, Y. P. (2005) Alkali atoms confined to a sphere and to a fullerene cage Canadian Journal of Physics, 83 (9). pp. 919-928. ISSN 0008-4204

Garza, Jorge ; Vargas, Rubicelia ; Aquino, Norberto ; Sen, K. D. (2005) DFT reactivity indices in confined many-electron atoms Journal of Chemical Sciences, 117 (5). pp. 379-386. ISSN 0253-4134

Jánosfalvi, Zs. ; Sen, K. D. ; Nagy, Á. (2005) Cusp conditions for non-interacting kinetic energy density of the density functional theory Physics Letters A, 344 (1). pp. 1-6. ISSN 0375-9601

Sen, K. D. ; De Proft, F. ; Borgoo, A. ; Geerlings, P. (2005) N-derivative of Shannon entropy of shape function for atoms Chemical Physics Letters, 410 (1-3). pp. 70-76. ISSN 0009-2614

Howard, I. A. ; Sen, K. D. ; Geerlings, P. ; March, N. H. (2005) Force −∂V_xc/∂r associated with the exchange-correlation potential V_xc(r) in the neutral Ne atom Journal of Physics B: Atomic, Molecular and Optical Physics, 38 (11). pp. 1705-1717. ISSN 0953-4075

Sen , K. D. (2005) Characteristic features of Shannon information entropy of confined atoms Journal of Chemical Physics, 123 (7). 074110_1-074110_9. ISSN 0021-9606

Sen, K. D. ; Javier Luque, F. (2005) Electrostatic exchange-correlation charge density in Be and Ne: quantal density functional theoretic analysis Theoretica Chimica Acta, 114 (1-3). pp. 124-128. ISSN 0040-5744

Sen, K. D. ; Javier Luque, F. (2005) First-order correlation-kinetic contribution to Kohn-Sham exchange charge density function in atoms, using quantal density functional theory approach International Journal of Quantum Chemistry, 101 (3). pp. 231-238. ISSN 0020-7608

Sen , K. D. (2005) Shell-confined hydrogen atom Journal of Chemical Physics, 122 (19). 194324_1-194324_7. ISSN 0021-9606

Borgoo, A. ; Godefroid, M. ; Sen, K. D. ; De Proft, F. ; Geerlings, P. (2004) Quantum similarity of atoms: a numerical Hartree-Fock and information theory approach Chemical Physics Letters, 399 (4-6). pp. 363-367. ISSN 0009-2614

March, N. H. ; Geerlings, P. ; Sen, K. D. (2004) Electrostatic interpretation of the force −∂V_xc/∂r connected with the exchange-correlation potential: direct relation to single-particle kinetic energy density in Be-atom Physics Letters A, 324 (1). pp. 42-45. ISSN 0375-9601

De Proft, F. ; Ayers, P. W. ; Sen, K. D. ; Geerlings, P. (2004) On the importance of the "density per particle" (shape function) in the density functional theory Journal of Chemical Physics, 120 (21). pp. 9969-9973. ISSN 0021-9606

Harbola, Manoj K. ; Sen, K. D. (2003) Obtaining Kohn-Sham potential without taking the functional derivative Bulletin of Materials Science, 26 (1). pp. 69-74. ISSN 0250-4707

Harbola, Manoj K. ; Sen, K. D. (2002) Improved Becke88 and PW91 exchange potentials Journal of Physics B: Atomic, Molecular and Optical Physics, 35 (22). pp. 4711-4718. ISSN 0953-4075

Sen, K. D. ; Garza, Jorge ; Vargas, Rubicelia ; Aquino, Norberto (2002) Static dipole polarizability of shell-confined hydrogen atom Physics Letters A, 295 (5-6). pp. 299-304. ISSN 0375-9601

Sen, K. D. ; De Proft, Frank ; Geerlings, Paul (2002) Applications of electrostatic interpretation of components of effective Kohn-Sham potential in atoms Journal of Chemical Physics, 117 (19). pp. 4684-4693. ISSN 0021-9606

Banerjee, Arup ; Sen, K. D. ; Garza, Jorge ; Vargas, Rubicelia (2002) Mean excitation energy, static polarizability, and hyperpolarizability of the spherically confined hydrogen atom Journal of Chemical Physics, 116 (10). pp. 4054-4057. ISSN 0021-9606

Harbola, Manoj K. ; Sen, K. D. (2002) Modified Slater potential and its application to the ground-states and excited-states of atomic systems International Journal of Quantum Chemistry, 90 (1). pp. 327-333. ISSN 0020-7608

Sen, K. D. ; Geerlings, Paul (2002) Nuclear cusp of the virial exchange energy density for spherical atoms Journal of Chemical Physics, 117 (20). pp. 9107-9110. ISSN 0021-9606

Sen, K. D. ; Mayer, B. ; Schmidt, P. C. ; Garza, Jorge ; Vargas, Rubicelia ; Vela, Alberto (2002) Static dipole and quadrupole polarizability of confined hydrogen atom with Z=N/3 (N=1-5) International Journal of Quantum Chemistry, 90 (2). pp. 491-496. ISSN 0020-7608

Sen, K. D. (2002) A correlation of exchange energy-exchange potential at the nucleus in atoms Journal of Chemical Physics, 116 (22). pp. 9570-9573. ISSN 0021-9606

Sahni, Virat ; Qian, Zhixin ; Sen, K. D. (2001) Atomic shell structure in Hartree theory Journal of Chemical Physics, 114 (20). pp. 8784-8788. ISSN 0021-9606

Nagy, Á. ; Sen, K. D. (2001) Ground- and excited-state cusp conditions for the electron density Journal of Chemical Physics, 115 (14). pp. 6300-6308. ISSN 0021-9606

Nagy, Á. ; Sen, K. D. (2000) Exact results on the curvature of the electron density at the cusp in certain highly excited states of atoms Chemical Physics Letters, 332 (1-2). pp. 154-158. ISSN 0009-2614

Sen, K. D. ; Garza, Jorge ; Vargas, Rubicelia ; Vela, Alberto (2000) Atomic ionization radii using Janak's theorem Chemical Physics Letters, 325 (1-3). pp. 29-32. ISSN 0009-2614

Nagy, Á. ; Sen, K. D. (2000) Higher-order cusp of the density in certain highly excited states of atoms and molecules Journal of Physics B: Atomic, Molecular and Optical Physics, 33 (9). pp. 1745-1751. ISSN 0953-4075

Sen, K. D. ; Carbo-Dorca, R. (2000) Inward matrix products, generalised density functions and Rayleigh-Schrödinger perturbation theory Journal of Molecular Structure: Theochem, 501-502 . pp. 173-176. ISSN 0166-1280

Garza, J. ; Vargas, R. ; Vela, A. ; Sen, K. D. (2000) Shell structure in free and confined atoms using the density functional theory Journal of Molecular Structure: Theochem, 501-502 . pp. 183-188. ISSN 0166-1280

Sen, K. D. ; Besalú, Emili ; Carbó-Dorca, Ramon (1999) A naive look on the Hohenberg-Kohn theorem Journal of Mathematical Chemistry, 25 (2-3). pp. 253-257. ISSN 0259-9791

Sen, K. D. ; Gayatri, T. V. ; Toufar, Helge (1996) Shell structure of atoms Journal of Molecular Structure: Theochem, 361 (1-3). pp. 1-13. ISSN 0166-1280

Sen, K. D. ; Muthunayaki, R. S. (1996) Characteristic features of the electrostatic potential for negative atoms within the work formalism Journal of Chemical Physics, 104 (3). pp. 1025-1027. ISSN 0021-9606

De Proft, F. ; Sen, K. D. ; Geerlings, P. (1995) Effects of finite basis set expansion and electron correlation on the atomic shell structure from average local electrostatic potential functions Chemical Physics Letters, 247 (1-2). pp. 154-158. ISSN 0009-2614

Sen, K. D. ; Gayatri, T. V. ; Krishnaveni, R. ; Kakkar, M. ; Toufar, Helge ; Janssens, Geert O. A. ; Baekelandt, Bart G. ; Schoonheydt, Robert A. ; Mortier, Wilfried J. (1995) Average local electrostatic potential and the core-valency separation in atoms International Journal of Quantum Chemistry, 56 (4). pp. 399-408. ISSN 0020-7608

Cordero, N. A. ; Sen, K. D. ; Alonso, J. A. ; Balbás, L. C. (1995) A combination of the work formalism for exchange with an optimized correlation energy functional for atoms Journal de Physique: II, 5 (9). pp. 1277-1287. ISSN 1155-4312

Sen, K. D. ; Puri, Ashok (1995) Slater transition-state calculations of dipole oscillator strengths in noble metal iso-electronic series Modern Physics Letters B, 9 (22). pp. 1433-1438. ISSN 0217-9849

Kakkar, M. ; Sen, K. D. (1994) Shell boundaries and core-valence regions within atomic isoelectronic series using electrostatic potential-density ratio Chemical Physics Letters, 226 (3-4). pp. 241-244. ISSN 0009-2614

Krishnaveni, R. ; Sen, K. D. (1994) Shell boundaries in rare earth atoms and tripositive ions using average local electrostatic potential Journal of Chemical Physics, 101 (9). pp. 7779-7781. ISSN 0021-9606

Sen, K. D. ; Slamet, Marlina ; Sahni, Viraht (1993) Atomic shell structure in Hartree-Fock theory Chemical Physics Letters, 205 (2-3). pp. 313-316. ISSN 0009-2614

Gadre, Shridhar R. ; Sen, K. D. (1993) Radii of monopositive atomic ions Journal of Chemical Physics, 99 (4). pp. 3149-3150. ISSN 0021-9606

Samuel, J. ; Sen, K. D. (1992) Static polarizabilities for the ne-isoelectronic series using Harbola-Sahni potential International Journal of Quantum Chemistry, 44 (6). pp. 1041-1044. ISSN 0020-7608

Sen, K. D. ; Bartolotti , L. J. (1992) Density-functional-theory calculations of static dipole polarizability of some ions of interest in Mössbauer spectroscopy Physical Review A, 45 (3). pp. 2076-2078. ISSN 1050-2947

Sen, K. D. (1992) An accurate local exchange potential for atomic one- and two-electron excited states Chemical Physics Letters, 188 (5-6). pp. 510-512. ISSN 0009-2614

Sen, K. D. (1991) Electronegativities, hardness and their variation with nuclear charge in atoms Chemical Physics Letters, 184 (4). pp. 318-320. ISSN 0009-2614

Sen, K. D. (1991) Static multipole polarizabilities of F⁻ and Cl⁻ using the Harbola-Sahni potential Physical Review A, 44 (1). pp. 756-757. ISSN 1050-2947

Sen, K. D. ; Harbola, Manoj K. (1991) Stable negative ions within a local exchange formalism Chemical Physics Letters, 178 (4). pp. 347-350. ISSN 0009-2614

Rajani, N. ; Sen, K. D. (1991) Approximate sizes of monoatomic negative ions with fractional nuclear charge using electrostatic potentials Theoretica Chimica Acta, 79 (5). pp. 373-375. ISSN 0040-5744

Siva Prasad, M. ; Sen, K. D. (1991) Upper bound to approximate ionic radii of atomic negative ions in terms of <r²> Journal of Chemical Physics, 95 (2). p. 1421. ISSN 0021-9606

Madhavi Lata, N. ; Sen, K. D. (1990) Quadrupole polarizabilities of F⁻, Cl⁻, and Br⁻ using ≡a theory Physical Review A, 42 (5). pp. 3115-3116. ISSN 1050-2947

Raju, K. B. K. ; Nair, P. S. V. ; Sen, K. D. (1990) An information-theoretical estimate of the exchange parameter in Xα theory Chemical Physics Letters, 170 (1). pp. 89-93. ISSN 0009-2614

Krishna, T. S. R. ; Sen, K. D. (1990) Generalized Z-transition state calculations of isoelectronic change in energy of atoms Journal of Chemical Physics, 92 (3). pp. 2113-2114. ISSN 0021-9606

Sen, K. D. ; Seminario, Jorge M. (1990) Isoelectronic changes in energy of quark atoms and molecules via the Levy equation Theoretica Chimica Acta, 77 (1). pp. 57-60. ISSN 0040-5744

Sai Sunder, V. V. S. S. ; Sen, K. D. (1989) Density functional calculations of the ionic radii of Be⁻, Mg⁻, Ca⁻, Sr⁻, Ba⁻ and some metastable mononegative ions Chemical Physics Letters, 162 (3). pp. 185-187. ISSN 0009-2614

Sen, K. D. ; Seminario, Jorge M. ; Politzer, Peter (1989) Electronegativities and isoelectronic energy and electronegativity differences for monatomic systems with nonintegral nuclear charges: local-spin-density-functional calculations Physical Review A, 40 (5). pp. 2260-2264. ISSN 1050-2947

Sen, K. D. ; Puri, Ashok (1989) Quasi-relativistic local spin density functional calculations of dipole oscillator strengths in alkali isoelectronic series Physics Letters A, 137 (3). pp. 128-131. ISSN 0375-9601

Sen, K. D. ; Puri, Ashok (1989) Relativistic local spin density functional calculations of dipole oscillator strengths in alkaline earth isoelectronic series Chemical Physics Letters, 156 (5). pp. 505-508. ISSN 0009-2614

Sen, K. D. ; Politzer, Peter (1989) Approximate radii for singly negative ions of 3d, 4d, and 5d metal atoms Journal of Chemical Physics, 91 (8). pp. 5123-5124. ISSN 0021-9606

Sen, K. D. ; Politzer, Peter (1989) Characteristic features of the electrostatic potentials of singly negative monoatomic ions Journal of Chemical Physics, 90 (8). pp. 4370-4372. ISSN 0021-9606

Viswanath, M. B. ; Sen, K. D. (1989) Density functional theory calculations of one electron Rydberg states in Li atom Theoretica Chimica Acta, 76 (5). pp. 373-375. ISSN 0040-5744

Sen, K. D. ; Seminario, Jorge M. ; Politzer, Peter (1989) Z-transition state calculations of energy changes and electrostatic potentials in isoelectronic atoms and molecules Journal of Chemical Physics, 90 (8). pp. 4373-4378. ISSN 0021-9606

Annapoorna Devi, A. ; Sen, K. D. (1988) Quadrupole antishielding factors for F⁻, Cl⁻, and Br⁻ using ≡a theory Physical Review A, 38 (8). pp. 4330-4332. ISSN 1050-2947

Raju, K. B. ; Nair, P. S. V. ; Sen, K. D. (1988) Isoelectronic changes in negative ions and excited atoms in Xα theory Chemical Physics Letters, 145 (2). pp. 165-167. ISSN 0009-2614

Vinayagam, S. C. ; Sen, K. D. (1988) Absolute hardness parameter: finite difference versus density functional theoretic definition Chemical Physics Letters, 144 (2). pp. 178-179. ISSN 0009-2614

Vinayagam, S. C. ; Sen, K. D. (1987) Two-electron one-photon X-ray transition energy in the Kr isoelectronic series Physical Review A, 36 (6). pp. 2971-2972. ISSN 1050-2947

Sen, K. D. ; Böhm, M. C. ; Schmidt, P. C. (1987) Electronegativity of atoms and molecular fragments Structure and Bonding, 66 . pp. 99-123. ISSN 0081-5993

Krishna Kumar, Venugopal K. ; Sen, Kali D. (1987) Isoelectronic changes in X-alpha theory using a Z-transition state approach Theoretica Chimica Acta, 72 (3). pp. 229-232. ISSN 0040-5744

Nath, S. ; Shobha, K. ; Sen, K. D. (1986) A simple bound to average electronic density and energy for atoms within an isoelectronic series International Journal of Quantum Chemistry, 29 (1). pp. 165-167. ISSN 0020-7608

Nath, S. ; Shobha, K. ; Sen, K. D. (1986) Approximate upper bounds to the momentum expectation value ratios < p² >/< p⁻¹ > and < p >/< p⁻¹ > in atoms Theoretica Chimica Acta, 70 (2). pp. 115-117. ISSN 0040-5744

Sen, K. D. ; Weiss, A. ; Schmidt, P. C. (1986) Electric-field-gradient Sternheimer function for closed shell ions Hyperfine Interactions, 30 (3). pp. 253-264. ISSN 0304-3843

Sen, K. D. (1985) Nuclear quadrupole Sternheimer shielding-antishielding function for N³⁻, Cl⁻ and Cd²⁺ ions in crystals Journal of Physics C: Solid State Physics, 18 (16). pp. 3153-3156. ISSN 0022-3719

Sen, K. D. ; Schmidt, P. C. ; Bohm, M. C. (1985) Absolute hardness of ground and hybridised states of atoms Journal of Physics B: Atomic and Molecular Physics, 18 (3). L35-L38. ISSN 0022-3700

Sen, K. D. (1985) Empirical estimates of electrostatic potentials at the nuclei in molecules International Journal of Quantum Chemistry, 27 (2). pp. 231-232. ISSN 0020-7608

Shobha, K. ; Sen, K. D. (1985) Bounds to average radial electron density in atoms using generalized Hölder inequality Journal of Chemical Physics, 83 (7). p. 3709. ISSN 0021-9606

Sen, Kali D. ; Nath, Sai (1985) A simple eigenvalue sum-density relationship for atoms Theoretica Chimica Acta, 68 (2). pp. 139-142. ISSN 0040-5744

Sen, K. D. (1984) Semiempirical estimates of static multipole polarizabilities for free atoms International Journal of Quantum Chemistry, 26 (6). pp. 1051-1052. ISSN 0020-7608

Sen, K. D. ; Ohta, K. ; Morokuma, K. (1984) Relative conformer stability of diphosphine and phosphinodifluorophosphine: an ab initio study Journal of Molecular Structure: Theochem, 109 (3-4). pp. 287-292. ISSN 0166-1280

Sen, K. D. (1984) Empirical static quadrupole polarisability for closed shell ions in solids Journal of Physics C: Solid State Physics, 17 (7). L227-L228. ISSN 0022-3719

Sen, K. D. (1984) 3d Contribution to Sternheimer antishielding in Sc-Ni Journal of Physics F: Metal Physics, 14 (2). pp. 521-523. ISSN 0305-4608

Sen, K. D. ; Böhm, M. C. ; Schmidt, P. C. (1984) Nature of the Li---C bond in simple organolithium compounds: a transition operator-based MO electronegativity approach Journal of Molecular Structure: Theochem, 106 (3-4). pp. 271-276. ISSN 0166-1280

Sen, K. D. ; Reddy, V. S. (1984) Approximate upper bounds to average radial electron density expectation value < ρ > within an isoelectronic series of atoms Journal of Chemical Physics, 81 (11). pp. 5213-5214. ISSN 0021-9606

Sastri, M. V. K. ; Narasimhulu, P. L. ; Sen, K. D. (1984) Empirical static quadrupole polarizability for some closed shell free atoms and ions Journal of Chemical Physics, 80 (1). pp. 584-585. ISSN 0021-9606

Sen, K. D. (1984) A simple V_ne−ρ₀ relationship for atomic isoelectronic series Journal of Chemical Physics, 81 (6). p. 2861. ISSN 0021-9606

Sen, K. D. (1983) Spin-polarised Xα calculations of electronegativity in atomic excited states Journal of Physics B: Atomic and Molecular Physics, 16 (6). L149-L151. ISSN 0022-3700

Wuerthwein, Ernst Ulrich ; Sen, K. D. ; Pople, John A. ; von Rague Schleyer, Paul (1983) Lithiated ammonia, amide anions, and ammonium ions. An ab initio study of structures, bonding, and energetic relationships Inorganic Chemistry, 22 (3). pp. 496-503. ISSN 0020-1669

Ravi Babu, V. ; Gopalakrishna, K. ; Sen, K. D. (1983) Isoelectronic changes in the Hartree-Fock properties of atoms Journal of Chemical Physics, 78 (7). pp. 4779-4780. ISSN 0021-9606

Sen, K. D. (1983) Radial Sternheimer shielding-antishielding for He, Ne, and Ar isoelectronic series Hyperfine Interactions, 14 (3). pp. 243-247. ISSN 0304-3843

Sen, K. D. (1982) Sternheimer antishielding functions for 3d transition metal atoms Journal of Physics F: Metal Physics, 12 (6). L97-L99. ISSN 0305-4608

Böhm, M. C. ; Schmidt, P. C. ; Sen, K. D. (1982) Molecular orbital electronegativities of transition metal fragments: a MO approach based on the transition operator method Journal of Molecular Structure: Theochem, 87 (1). pp. 43-52. ISSN 0166-1280

Sen, K. D. (1982) Radial Sternheimer shielding-antishielding for rare gas atoms Hyperfine Interactions, 12 (1). pp. 113-118. ISSN 0304-3843

Sen, K. D. (1981) On the second differences in Hartree-Fock SCF energies in atoms and ions Journal of Physics B: Atomic and Molecular Physics, 14 (23). L759-L760. ISSN 0022-3700

Böhm, M. C. ; Sen, K. D. ; Schmidt, P. C. (1981) Molecular orbital electronegativity Chemical Physics Letters, 78 (2). pp. 357-360. ISSN 0009-2614

Sen, K. D. ; Schmidt , P. C. (1981) Polarizabilities and Sternheimer antishielding factor for ferriclike ions Physical Review A, 23 (3). pp. 1026-1029. ISSN 1050-2947

Sen, K. D. ; Schmidt, P. C. (1981) Static dipole and quadrupole polarizabilities of alkaline earth atoms International Journal of Quantum Chemistry, 19 (2). pp. 373-376. ISSN 0020-7608

Sen, K. D. (1981) On deviations in Ruedenberg energy formula for molecules Journal of Chemical Physics, 74 (2). pp. 1500-1501. ISSN 0021-9606

Sen, K. D. (1981) On the geometry of NaPO₃ Journal of Chemical Physics, 75 (2). pp. 1043-1044. ISSN 0021-9606

Sen, K. D. (1981) Overlap sternheimer shielding-antishielding functions for halogen ions in ionic solids Hyperfine Interactions, 9 (1-4). pp. 355-359. ISSN 0304-3843

Sen, K. D. ; Schmidt, P. C. ; Weiss, Alarich (1981) Slater transition state calculations of electron affinity of heavy atoms Journal of Chemical Physics, 75 (2). pp. 1037-1038. ISSN 0021-9606

Sen, K. D. (1981) Slater transition state calculations of valence electron spin-orbit splitting in atoms Journal of Chemical Physics, 75 (12). p. 5971. ISSN 0021-9606

Sen, K. D. (1980) Quadrupole polarizability and shielding-antishielding factors for Ce³⁺ in ionic solids Physical Review B: Condensed Matter and Materials Physics, 22 (11). pp. 5542-5543. ISSN 1098-0121

Schmidt, P. C. ; Sen, K. D. ; Weiss, Alarich (1980) The spherical crystal potential and physical properties of ions in crystals. A HF-calculation for the 10, 18, and 36 electron closed shell ions of X-ray scattering factors, diamagnetic susceptibilities, and dipole polarizabilities Berichte der Bunsengesellschaft für physikalische Chemie, 84 (12). pp. 1240-1251. ISSN 0005-9021

Schmidt, P. C. ; Sen, K. D. ; Das, T. P. ; Weiss, Alarich (1980) Effect of self-consistency and crystalline potential in the solid state on nuclear quadrupole Sternheimer antishielding factors in closed-shell ions Physical Review B: Condensed Matter and Materials Physics, 22 (9). pp. 4167-4179. ISSN 1098-0121

Sen, K. D. (1980) Energy-eigenvalue sum relationship in molecules International Journal of Quantum Chemistry, 18 (3). pp. 907-909. ISSN 0020-7608

Sen, K. D. (1980) Sternheimer quadrupole shielding-antishielding function for F⁻, Cl⁻, Br⁻ and I⁻ in ionic solids Journal of Physics C: Solid State Physics, 13 (16). L423-L426. ISSN 0022-3719

Sen, K. D. (1980) Approximate relationship for isoelectronic changes in atomic average electron density International Journal of Quantum Chemistry, 17 (6). pp. 1241-1242. ISSN 0020-7608

Sen, K. D. (1980) Dependence on distance of the Sternheimer shielding-antishielding factor for 3d elements Journal of Physics F: Metal Physics, 10 (2). L67-L70. ISSN 0305-4608

Sen , K. D. (1980) Quadrupole polarizabilities of Fe³⁺- and Ru³⁺-like ions Physical Review A, 21 (2). pp. 693-694. ISSN 1050-2947

Sen, K. D. (1980) Hartree-Fock-Slater transition state calculations of KLL Auger energies in Na and Mg Journal of Chemical Physics, 73 (9). pp. 4704-4705. ISSN 0021-9606

Sen, K. D. (1980) Isoelectronic changes in total Hartree-Fock energy of atoms Theoretica Chimica Acta, 57 (2). pp. 179-180. ISSN 0040-5744

Sen, K. D. (1980) Isoelectronic energy changes from energy-density functionals Journal of Chemical Physics, 73 (10). pp. 5403-5404. ISSN 0021-9606

Sen , K. D. (1979) Atomic quadrupole moments: np²(n+1)s excited-state configuration of N, P, As, and Sb Physical Review A, 20 (6). pp. 2276-2277. ISSN 1050-2947

Sen, K. D. (1979) Effect of a crystalline spherical potential on the Fermi-contact term in Mn²⁺ and Fe³⁺ ions Physical Review B: Condensed Matter and Materials Physics, 20 (7). pp. 2901-2904. ISSN 1098-0121

Sen, K. D. ; Weiss, Alarich (1979) Sternheimer valence shielding and antishielding factors for several 2p and 3p atoms and ions Physical Review A, 20 (4). pp. 1323-1326. ISSN 1050-2947

Sen, K. D. (1979) Isoelectronic energy changes in atomic systems: two very simple relationships Physics Letters A, 71 (5-6). pp. 405-406. ISSN 0375-9601

Sen, K. D. (1979) The total Hartree-Fock energy-eigenvalue sum relationship in atoms Journal of Physics B: Atomic and Molecular Physics, 12 (10). L287-L290. ISSN 0022-3700

Sen, K. D. (1979) Variation of core-electron contributions to Mössbauer isomer shift with ionic size Physical Review B: Condensed Matter and Materials Physics, 19 (5). pp. 2447-2448. ISSN 1098-0121

Sen, K. D. (1979) Variation of shellwise s electron density at the nucleus in ionic solids Journal of Physics C: Solid State Physics, 12 (2). L75-L77. ISSN 0022-3719

Sen , K. D. (1979) Effect of ionic size on the Koopmans ionization potentials in positive ions Journal of Chemical Physics, 71 (1). pp. 559-560. ISSN 0021-9606

Sen, K. D. (1979) Slater transition-state calculations of shake-up energies in Ne, Ar, and Kr Journal of Chemical Physics, 71 (2). pp. 1035-1036. ISSN 0021-9606

Sen, Kalidas ; Weiss, Alarich (1979) Sternheimer antishielding factors of F⁻, Cl⁻, Br⁻ and I⁻: influence of approximate free and crystal ion potentials Theoretica Chimica Acta, 52 (3). pp. 181-187. ISSN 0040-5744

Sen, K. D. (1979) Virial scaling corrections to Koopmans' ionization potential in positive ions of He, Ne, and Ar series Journal of Chemical Physics, 70 (4). pp. 2025-2026. ISSN 0021-9606

Sen, K. D. (1979) An approximate density equation for isoelectronic changes in atoms Journal of Chemical Physics, 70 (11). p. 5334. ISSN 0021-9606

Sen, K. D. (1979) The isoelectronic energy-density relationship in atoms: 2-36 electron series Journal of Chemical Physics, 71 (8). p. 3551. ISSN 0021-9606

Rao, C. V. R. ; Sen, K. D. (1979) The total Hartree-Fock SCF energy in atoms and ions Journal of Chemical Physics, 70 (1). pp. 586-587. ISSN 0021-9606

Sen, K. D. (1978) On the relaxation corrections to Koopmans' theorem: comparison of single SCF procedures Physics Letters A, 69 (2). pp. 85-86. ISSN 0375-9601

Sen, K. D. (1978) Slater transition-state calculations of multi-electron X-ray transition energies Journal of Physics B: Atomic and Molecular Physics, 11 (19). L577-L578. ISSN 0022-3700

Sen, K. D. (1978) Atomic quadrupole moments of Al and In Physical Review A, 18 (4). pp. 1327-1328. ISSN 1050-2947

Sen, K. D. ; Narasimhan, P. T. (1977) Quadrupole antishielding factors and polarizabilities in ionic crystals Physical Review B: Condensed Matter and Materials Physics, 15 (1). pp. 95-102. ISSN 1098-0121

Sen, K. D. ; Narasimhan, P. T. (1976) Quadrupole antishielding factors for some 3d⁵, 4d⁵, and 5d⁵ ions Physical Review A, 14 (2). pp. 539-542. ISSN 1050-2947