Browse by Fellow

Malik, Vikas ; Yadav, C. S. ; Rastogi, Ashok ; Kumar, Deepak (2013) Peculiar magnetism of transition metal cluster compounds EPL (Europhysics Letters), 101 (6). p. 67008. ISSN 0295-5075

Kumar, Santosh ; Kumar, Deepak (2012) Quantum processing by adiabatic transfer through a manifold of dark states Physical Review A, 85 (5). 052317_1-052317_5. ISSN 1050-2947

Ghosh, Joyee ; Ghosh, R. ; Deepak Kumar, (2011) Analysis of adiabatic transfer in cavity quantum electrodynamics Pramana - Journal of Physics, 77 (4). pp. 633-653. ISSN 0304-4289

Santhosh, G. ; Kumar , Deepak (2011) Universality classes for phonon relaxation and thermal conduction in one-dimensional vibrational systems Physical Review E - Statistical, Nonlinear and Soft Matter Physics, 84 (4). 041119_1-041119_6. ISSN 1539-3755

Santhosh, G. ; Deepak Kumar, (2010) Anomalous transport and phonon renormalization in a chain with transverse and longitudinal vibrations Physical Review E, 82 (1). 11130_1-11130_9. ISSN 1063-651X

Tripathi, Ashwani K. ; Deepak Kumar, (2010) Velocity correlations and mobility in single-file diffusion Physical Review E, 81 (2). 21125_1-21125_7. ISSN 1063-651X

Deepak Kumar, (2008) Diffusion of interacting particles in one dimension Physical Review E, 78 (2). 21133_1-21133_7. ISSN 1063-651X

Malik, Vikas ; Deepak Kumar, (2008) Phase diagram and excitations of a coulomb glass Physica Status Solidi C, 5 (3). pp. 684-688. ISSN 1610-1634

Santhosh, G. ; Deepak Kumar, (2008) Universality of thermal conduction in vibrating chains for a class of potentials Physical Review E, 77 (1). 11113_1-1113_7. ISSN 1063-651X

Malik, Vikas ; Deepak Kumar, (2007) Thermodynamics and excitations of Coulomb glass Physical Review B, 76 (12). 125207_1-125207_9. ISSN 0163-1829

Santhosh, G. ; Deepak Kumar, (2007) Effect of interaction range on phonon relaxation in Fermi-Pasta-Ulam β chain Physical Review E, 76 (2). 22102_1-22102 _4. ISSN 1063-651X

Santhosh, G. ; Deepak Kumar, (2007) Anomalous thermal conduction in one dimension: a quantum calculation Physical Review E, 6 (2). 21105_1-21105_9. ISSN 1063-651X

Santhosh, G. ; Deepak Kumar, ; Ramaswamy, R. (2005) Thermal transport in low-dimensional lattices with nearest- and next-nearest-neighbour coupling Journal of Statistical Mechanics: Theory and Experiment, 2005 . No pp. given.. ISSN 1742-5468

Shukla, Shailesh ; Deepak Kumar, ; Nath Shukla, Nitya ; Prasad, Rajendra (2005) Dielectric critical behaviour at a metal-insulator transition under lattice compression Journal of Physics and Chemistry of Solids, 66 (7). pp. 1150-1157. ISSN 0022-3697

Puri, Sanjay ; Deepak Kumar, (2004) Autocorrelation functions for phase separation in ternary mixtures Physical Review E, 70 (5). 051501_1-051501_12. ISSN 1063-651X

Puri, Sanjay ; Deepak Kumar, (2004) Aging and equilibrium fluctuations for domain growth in ternary mixtures Physical Review Letters, 93 (2). 025701_1-025701_4. ISSN 0031-9007

Mehrotra, Ravi ; Deepak Kumar, (2004) Patterns in melting snow and vapor deposited layers Physical Review Letters, 92 (25). 254502_1-254502_4. ISSN 0031-9007

Malik, Vikas ; Deepak Kumar, (2004) Formation of the Coulomb gap in a Coulomb glass Physical Review B, 69 (15). 153103_1-153103_4. ISSN 0163-1829

Brojen Singh, R. K. ; Deepak Kumar, (2004) Electron delocalization in disordered films induced by magnetic field and film thickness Physical Review B, 69 (11). 115420_1-115420_12. ISSN 0163-1829

Shukla, Shailesh ; Deepak Kumar, ; Nath Shukla, Nitya ; Prasad, Rajendra (2004) Metal-insulator transitions in tetrahedral semiconductors under lattice change International Journal of Modern Physics B, 18 (7). pp. 975-988. ISSN 0217-9792

Malik, Vikas ; Deepak Kumar, (2003) Correlated hopping in Coulomb glass Journal of Physics: Condensed Matter, 15 (32). pp. 5451-5460. ISSN 0953-8984

Deepak Kumar, ; Pandey, P. N. (2003) Effect of noise on quantum teleportation Physical Review A, 68 (1). 012317_1-012317_6. ISSN 1050-2947

Brojen Singh, R. K. ; Deepak Kumar, (2002) Self-consistent study of localization in thin films Physical Review B, 66 (7). 075123_1-075123_5. ISSN 0163-1829

Deepak Kumar, (2002) Photon states in anisotropic media Pramana - Journal of Physics, 59 (2). pp. 329-336. ISSN 0304-4289

Tafa, K. ; Puri, S. ; Kumar, D. (2002) Autocorrelation function for domain growth with local barriers Phase Transitions: A Multinational Journal , 75 (4-5 ). pp. 413-425. ISSN 0141-1594

Tafa, Kumela ; Puri, Sanjay ; Deepak Kumar, (2001) Kinetics of phase separation in ternary mixtures Physical Review E, 64 (5). 056139_1-056139_10. ISSN 1063-651X

Tafa, Kumela ; Puri, Sanjay ; Deepak Kumar, (2001) Kinetics of domain growth in systems with local barriers Physical Review E, 63 (4). 046115_1- 046115 _11. ISSN 1063-651X

Brojen Singh, R. K. ; Deepak Kumar, (2001) Localization in thin films: cross-over from two dimensions to three dimensions International Journal of Modern Physics B, 15 (19-20). pp. 2627-2639. ISSN 0217-9792

Deepak Kumar, ; Soni, Vikram (2000) Single particle schrödinger equation with gravitational self-interaction Physics Letters A, 271 (3). pp. 157-166. ISSN 0375-9601

Lamba, Subhalakshmi ; Deepak Kumar, (1999) Dielectric properties of the electron glass Physical Review B, 59 (7). pp. 4766-4776. ISSN 0163-1829

Lamba, Subhalakshmi ; Deepak Kumar, (1999) Variable-range hopping: role of Coulomb interactions Physical Review B, 59 (7). pp. 4752-4765. ISSN 0163-1829

Deepak Kumar, (1998) Measurement problem in quantum mechanics: characteristics of an apparatus Pramana - Journal of Physics, 51 (5). pp. 567-575. ISSN 0304-4289

Deepak Kumar, (1998) Quantum theory of double-slit interference: role of the quantum phase Physics Letters A, 246 (5). pp. 394-398. ISSN 0375-9601

Sharma, Radhika ; Deepak Kumar, (1998) Thermodynamic properties of a lattice model of aqueous mixtures Physical Review E, 58 (3). pp. 3405-3415. ISSN 1063-651X

Lamba, Subhalakshmi ; Rastogi, Ashok K. ; Deepak Kumar, (1997) Ferromagnetism of anderson localized electrons: application to cluster compounds Physical Review B, 56 (6). pp. 3251-3264. ISSN 0163-1829

Deepak Kumar, ; Rajaraman, R. (1997) Umklapp scattering in fermi liquids: a renormalisation group approach International Journal of Modern Physics B, 11 (15). pp. 1813-1828. ISSN 0217-9792

Deepak Kumar, ; Rajaraman, R. (1996) Umklapp processes for electrons and their renormalization-group flow Physical Review B, 54 (7). pp. 4379-4382. ISSN 0163-1829

Gangasharan, ; Deepak Kumar, (1996) Nucleation in binary mixtures Physica A: Statistical Mechanics and its Applications, 224 (1-2). pp. 128-139. ISSN 0378-4371

Gangasharan, ; Kumar, D. ; Sarkar, S. K. (1996) Phase diagrams and enthalpy calculation in a statistical model of binary mixtures Phase Transitions, 56 (4). pp. 217-237. ISSN 0141-1594

Venugopalan, A. ; Deepak Kumar, ; Ghosh, R. (1995) Environment-induced decoherence I. The Stern-Gerlach measurement Physica A: Statistical Mechanics and its Applications, 220 (3-4). pp. 563-575. ISSN 0378-4371

Venugopalan, A. ; Deepak Kumar, ; Ghosh, R. (1995) Environment-induced decoherence II. Effect of decoherence on Bell's inequality for an EPR pair Physica A: Statistical and Theoretical Physics, 220 (3-4). pp. 576-584. ISSN 0378-4371

Venugopalan, A. ; Kumar, D. ; Ghosh, R. (1995) The quantum measurement problem: nature of the apparatus Current Science, 68 (1). pp. 62-67. ISSN 0011-3891

Kumari, Kamlesh ; Deepak Kumar, (1994) A new formalism for the statistical dynamics of vector spin systems Pramana - Journal of Physics, 43 (4). pp. 289-305. ISSN 0304-4289

Bajaj, K. M. S. ; Mehrotra, R. ; Kumar, D. ; Soni, V. (1994) Dynamics and finite-size effects in two-dimensional lattices of planar dipoles EPL (Europhysics Letters), 27 (2). pp. 153-158. ISSN 0295-5075

Kumar, D. (1993) Thermoelectric power of high-T_c superconductors: superconducting fluctuations and the marginal Fermi-liquid hypothesis Journal of Physics: Condensed Matter, 5 (44). pp. 8277-8288. ISSN 0953-8984

Rajput, R. ; Reddy, Y. S. ; Sharma, R. G. ; Subbarao, G. V. ; Kumar, D. (1993) Thermoelectric power studies on the BPSCCO system with silver addition Physica C: Superconductivity, 213 (1-2). pp. 211-218. ISSN 0921-4534

Wan, C. C. ; Harris, A. B. ; Deepak Kumar, (1993) Heisenberg antiferromagnet with a low concentration of static defects Physical Review B, 48 (2). pp. 1036-1061. ISSN 0163-1829

Rajput, R. ; Kumar, D. ; Sharma, R. G. ; Reddy, Y. S. (1993) Thermoelectric power of doped BSCCO superconductors and marginal Fermi liquid theory Journal of Physics: Condensed Matter, 5 (6). pp. 669-678. ISSN 0953-8984

Venugopalan, A. ; Deepak Kumar, ; Ghosh, R. (1993) Optical mode-coupling in a ring due to a back-scatterer Pramana - Journal of Physics, 40 (2). pp. 107-112. ISSN 0304-4289

Murthy, S. S. N. ; Deepak Kumar, (1993) Glass formation in organic binary liquids studied using differential scanning calorimetry Journal of the Chemical Society, Faraday Transactions, 89 (14). pp. 2423-2427. ISSN 0956-5000

Jha, S. R. ; Rajput, R. ; Kumar, D. ; Reddy, Y. S. ; Sharma, R. G. (1992) Studies on thermoelectric power and percolation in BSCCO system Solid State Communications, 81 (7). pp. 603-607. ISSN 0038-1098

Rajput, Renuka ; Deepak Kumar, (1990) Thermoelectric power of inhomogeneous superconductors: a new kind of percolation Physical Review B, 42 (13). pp. 8634-8637. ISSN 0163-1829

Kumari, Kamlesh ; Deepak Kumar, (1990) A new formalism for the statistical dynamics of planar spin systems Pramana - Journal of Physics, 35 (2). pp. 115-125. ISSN 0304-4289

Kumari, Kamlesh ; Deepak Kumar, (1989) Thermodynamics of spin glasses in the Hartree-Fock approximation Physical Review B, 39 (16). pp. 12215-12223. ISSN 0163-1829

Jha, S. R. ; Reddy, Y. S. ; Suri, D. K. ; Kundra, K. D. ; Sharma, R. G. ; Deepak Kumar, (1989) Influence of oxygen deficiency on the thermoelectric power of Y₁Ba₂Cu₃O_7-x Pramana - Journal of Physics, 32 (3). pp. 277-287. ISSN 0304-4289

Kumari, Kamlesh ; Deepak Kumar, (1988) Relaxation and transition in general Huberman-Kerszberg models: a recursive variational method Physical Review B, 38 (16). pp. 11774-11780. ISSN 0163-1829

Deepak Kumar, ; Kamlesh, Kamlesh (1986) Mode condensation in a hierarchical system Physical Review Letters, 57 (24). pp. 3101-3104. ISSN 0031-9007

Deepak Kumar, ; Ray, Subrata (1986) Void nucleation as a diffusive instability Physical Review B, 34 (8). pp. 5048-5057. ISSN 0163-1829

Kumar, D. ; Shenoy, S. R. (1986) Hierarchical energy barriers, hierarchical constraints, and nonexponential decays in glasses Solid State Communications, 57 (12). pp. 927-931. ISSN 0038-1098

Kumar, Deepak ; Shenoy, Subodh R. (1986) Relaxational dynamics for a class of disordered ultrametric models Physical Review B: Condensed Matter and Materials Physics, 34 (5). pp. 3547-3550. ISSN 1098-0121

Deepak Kumar, ; Brooks Harris, A. (1985) Spin-wave excitations and perpendicular susceptibility of a diluted antiferromagnet near percolation threshold Physical Review B, 32 (5). pp. 3251-3262. ISSN 0163-1829

Kumar, D. (1985) Dynamic scaling of spin waves in dilute ferromagnets Pramana - Journal of Physics, 24 (4). pp. 559-562. ISSN 0304-4289

Deepak Kumar, (1984) Dynamic scaling for dilute magnets near percolation threshold Physical Review B, 30 (6). pp. 2961-2963. ISSN 0163-1829

Deepak Kumar, (1984) Brownian motion of a quantum particle Physical Review A, 29 (3). pp. 1571-1573. ISSN 1050-2947

Harchand, K. S. ; Kumar, R. ; Vishwamittar, ; Kumar, D. ; Chandra, K. (1984) Influence of nickel substitution in an Fe-Sb triangular antiferromagnetic system Physical Review B: Condensed Matter and Materials Physics, 30 (3). pp. 1527-1533. ISSN 1098-0121

Kumar, D. ; Dattagupta, S. (1983) Non-equilibrium susceptibility of superparamagnetic particles Journal of Physics C: Solid State Physics, 16 (19). pp. 3779-3794. ISSN 0022-3719

Deepak Kumar, (1982) Fractal effects on excitations in dilute ferromagnets Physical Review B, 25 (3). pp. 2069-2072. ISSN 0163-1829

Kumar, D. ; Pandey, R. B. ; Barma , M. (1981) Critical properties of diluted anisotropic magnets near percolation threshold Physical Review B: Condensed Matter and Materials Physics, 23 (5). pp. 2269-2277. ISSN 1098-0121

Kumar, D. ; Stein, J. (1980) Relaxation of magnetisation in one-dimensional random Glauber model Journal of Physics C: Solid State Physics, 13 (16). pp. 3011-3026. ISSN 0022-3719

Kumar, D. ; Stein, J. (1980) Numerical studies of relaxation of magnetisation in a random glauber chain Journal of Magnetism and Magnetic Materials, 15-18 (1). pp. 225-226. ISSN 0304-8853

Barma, M. ; Kumar, D. ; Pandey, R. B. (1980) Renormalization group calculations for the dilute Heisenberg model Journal of Magnetism and Magnetic Materials, 15-18 (1). pp. 245-246. ISSN 0304-8853

Deepak Kumar, (1979) Critical properties of random magnetic systems Bulletin of Materials Science, 1 (3-4). pp. 201-206. ISSN 0250-4707

Bhargava, Renu ; Deepak Kumar, (1979) Excitations in spin-glasses Physical Review B, 19 (5). pp. 2764-2774. ISSN 0163-1829

Kumar, Vijay ; Deepak Kumar, ; Joshi, S. K. (1979) Surface segregation in alloys Physical Review B, 19 (4). pp. 1954-1962. ISSN 0163-1829

Kumar, D. (1979) Calculation of the percolation-thermal crossover index for the bond-diluted Ising model Journal of Physics C: Solid State Physics, 12 (15). L599. ISSN 0022-3719

Barma, M. ; Kumar, D. ; Pandey, R. B. (1979) Comment on 'Migdal renormalisation group approach to quantum spin systems' Journal of Physics C: Solid State Physics, 12 (23). L909-L914. ISSN 0022-3719

Barma, M. ; Kumar, D. ; Pandey, R. B. (1979) Renormalisation group calculations for the dilute Heisenberg magnet Journal of Physics C: Solid State Physics, 12 (7). L283. ISSN 0022-3719

Barma, M. ; Kumar, D. (1979) A position space renormalisation group approach to the compressible Ising model Journal of Physics C: Solid State Physics, 12 (7). pp. 1331-1348. ISSN 0022-3719

Deepak Kumar, ; Barma, Mustansir (1978) Order parameter relaxation in spin glasses Physics Letters A, 67 (3). pp. 217-218. ISSN 0375-9601

Srivastava, Vipin ; Deepak Kumar, ; Joshi, S. K. (1977) On a recent theory for localisation in random lattices Solid State Communications, 24 (5). pp. 387-389. ISSN 0038-1098

Deepak Kumar, ; Srivastava, Vipin (1977) Susceptibility and magnetisation of a random ising model Pramana - Journal of Physics, 9 (2). pp. 179-188. ISSN 0304-4289

Bhargava, Renu ; Kumar, D. (1977) Calculation of wave vector dependent susceptibility for an Ising spin-glass Solid State Communications, 22 (9). pp. 545-547. ISSN 0038-1098

Kumar, V. ; Kumar, D. ; Joshi, S. K. (1977) Theory of substitutionally disordered heisenberg ferromagnets Journal of Physics C: Solid State Physics, 10 (10). pp. 1741-1750. ISSN 0022-3719

Kumar, V. ; Kumar, D. ; Joshi, S. K. (1977) Spin wave spectra of disordered ferromagnets in a cluster approximation Journal of Physics C: Solid State Physics, 10 . pp. 1741-1750. ISSN 0022-3719

Deepak Kumar, (1976) Critical phenomena in disordered systems: a renormalization-group approach Physical Review Letters, 37 (18). pp. 1171-1174. ISSN 0031-9007

Bhargava, Renu ; Deepak Kumar, (1976) Thermodynamics of random Heisenberg models in a cluster approximation Physical Review B, 14 (9). pp. 4002-4008. ISSN 0163-1829

Kumar, V. ; Kumar, D. ; Joshi, S. K. (1976) Electronic structure of disordered alloys-local environment effects Journal of Physics C: Solid State Physics, 9 (14). pp. 2733-2737. ISSN 0022-3719

Kumar, D. ; Mookerjee, A. ; Kumar, V. (1976) Surface segregation in random alloys Journal of Physics F - Metal Physics, 6 (5). p. 725. ISSN 0305-4608

Deepak Kumar, (1976) Two site spin correlation function in Bethe-Peierls approximation for Ising model Pramana - Journal of Physics, 7 (1). pp. 28-33. ISSN 0304-4289

Kumar, Vijay ; Deepak Kumar, ; Joshi, S. K. (1975) Electronic structure of disordered alloys-generalized coherent-potential approximation and effects of environment Physical Review B, 11 (8). pp. 2831-2835. ISSN 0163-1829

Kumar, D. (1975) Probability distribution of magnetization in a random Ising ferromagnet Journal of Physics C: Solid State Physics, 8 (17). L365-L367. ISSN 0022-3719

Kumar, D. ; Bhargava, R. (1975) Variation of critical temperature with concentration for a dilute Heisenberg model Journal of Physics C: Solid State Physics, 8 (21). L478-L482. ISSN 0022-3719

Deepak Kumar, ; Brooks Harris, A. (1973) Spin waves and long-range order in the diluted heisenberg ferromagnet at zero temperature Physical Review B, 8 (5). pp. 2166-2184. ISSN 0163-1829

Srivastava, V. ; Kumar, D. ; Joshi, S. K. (1971) Short range order in disordered alloys Solid State Communications, 21 (1). pp. 25-29. ISSN 0038-1098

Harris, A. B. ; Kumar, D. (1971) Dynamics of an antiferromagnet at low temperatures: spin-wave damping and hydrodynamics Physical Review B: Condensed Matter and Materials Physics, 3 (3). pp. 961-1024. ISSN 1098-0121

Kumar, D. ; Harris, A. B. (1971) Spin waves in the dilute Heisenberg ferromagnet American Institute of Physics Conference Proceedings, 5 (2). pp. 1345-1349. ISSN 0094-243X

Harris, A. B. ; Kumar, D. ; Halperin, B. I. ; Hohenberg, P. C. (1970) Spin-wave damping and hydrodynamics in the Heisenberg antiferromagnet Journal of Applied Physics, 41 . pp. 1361-1363. ISSN 0021-8979

Harris, A. B. ; Kumar, D. (1969) Self-consistent damping of antiferromagnetic magnons Bulletin of the American Physical Society, 14 . p. 409. ISSN 0003-0503