Browse by Fellow

Ramkumar, T. K. ; Gurubaran, S. ; Rajaram, R. ; Tiwari, D. ; Viswanathan, K. S. (2010) A comparison study of zonal drift velocities measurements as seen by MF spaced antenna and HF doppler radar in the Indian dip equatorial mesospheric and lower thermospheric (80-100 km) region Journal of Geophysical Research, 115 . A02306-A02311. ISSN 0148-0227

Jovan Jose, K. V. ; Gadre, Shridhar R. ; Sundararajan, K. ; Viswanathan, K. S. (2007) Effect of matrix on IR frequencies of acetylene and acetylene-methanol complex: infrared matrix isolation and ab initio study Journal of Chemical Physics, 127 (10). 104501_1-104501_10. ISSN 1674-0068

Manju, G. ; Viswanathan, K. S. (2005) Response of the equatorial electrojet to solar flare related X-ray flux enhancements Earth Planets and Space (EPS), 57 (3). pp. 231-242. ISSN 1343-8832

Sundararajan, K. ; Viswanathan, K. S. ; Kulkarni, Anant D. ; Gadre, Shridhar R. (2002) H...π complexes of acetylene-benzene: a matrix isolation and computational study Journal of Molecular Structure, 613 (1-3). pp. 209-222. ISSN 0022-2860

Kulkarni, Anant D. ; Sundararajan, K. ; Sankaran, K. ; Viswanathan, K. S. ; Gadre, Shridhar R. (2002) H-π complexes of acetylene-ethylene: a matrix isolation and computational study Journal of Physical Chemistry A, 106 (8). pp. 1504-1510. ISSN 1089-5639

Hari, S. S. ; Viswanathan, K. S. ; Subbarao, K. S. V. ; Murthy, B. V. Krishna (1996) Equatorial E and F region zonal electric fields in the postsunset period Journal of Geophysical Research, 101 (A4). pp. 7947-7949. ISSN 0148-0227

Somayajulu, V. V. ; Viswanathan, K. S. ; Subbarao, K. S. V. ; Cherian, L. (1994) Distortions in the height structure of the equatorial electrojet during counter electrojet events Journal of Atmospheric and Terrestrial Physics, 56 (1). pp. 51-58. ISSN 0021-9169

Reddy, C. A. ; Ravindran, Sudha ; Viswanathan, K. S. ; Murthy, B. V. Krishna ; Rao, D. R. K. ; Araki, T. (1994) Observations of Pc5 micropulsation-related electric field oscillations in the equatorial ionosphere Annales Geophysicae (1988), 12 (6). pp. 565-573. ISSN 0992-7689

Subramanyam, B. ; Viswanathan, K. S. (1993) Second order elastic anomalies in barium titanate from cubic to tetragonal phase transition Pramana - Journal of Physics, 41 (1). pp. 31-39. ISSN 0304-4289

Viswanathan, K. S. ; Jeeja Ramani, J. C. (1992) Gyrotropic anomalies near a phase transition Physics Letters A, 161 (6). pp. 531-534. ISSN 0375-9601

Viswanathan, K. S. ; Vikramkumar, B. T. ; Reddy, C. A. (1987) Electric fields and currents in the equatorial electrojet deduced from VHF radar observations- II. Characteristics of electric fields on quiet and disturbed days Journal of Atmospheric and Terrestrial Physics, 49 (2). pp. 193-200. ISSN 0021-9169

Somayajulu, V. V. ; Reddy, C. A. ; Viswanathan, K. S. (1987) Penetration of magnetospheric convective electric field to the equatorial ionosphere during the substorm of March 22, 1979 Journal of Geophysical Research, 14 (8). pp. 876-879. ISSN 0148-0227

Pushpahasan, A. ; Viswanathan, K. S. (1986) Ordinary and extraordinary cyclotron waves in metals Pramana - Journal of Physics, 26 (6). pp. 543-554. ISSN 0304-4289

Viswanathan, K. S. (1986) Interaction of second sound with acoustic waves in solids Pramana - Journal of Physics, 27 (1-2). pp. 307-320. ISSN 0304-4289

Pushpahasan, A. ; Viswanathan, K. S. (1985) Focussing and defocussing of ballistic phonons in diamond and Nb₃Sn Pramana - Journal of Physics, 24 (6). pp. 875-886. ISSN 0304-4289

Somayajulu, V. V. ; Reddy, C. A. ; Viswanathan, K. S. (1985) Simultaneous electric field changes in the equatorial electrojet in phase with polar cusp latitude changes during a magnetic storm Geophysical Research Letters, 12 (7). pp. 473-475. ISSN 0094-8276

Vikramkumar, B. T. ; Rao, P. B. ; Viswanathan, K. S. (1984) VHF backscatter radar observations of the equatorial electrojet irregularities - diurnal, seasonal and solar cycle variations Annales Geophysicae (1983), 2 . pp. 495-499. ISSN 0755-0685

Narasimha Iyer, V. ; Viswanathan, K. S. (1983) Solitons in a linear lattice with defects Pramana - Journal of Physics, 20 (5). pp. 415-427. ISSN 0304-4289

Venugopal, Chandu ; Viswanathan, K. S. (1982) Near perpendicular propagation of electromagnetic waves in the magnetosphere Planetary and Space Science, 30 (7). pp. 687-694. ISSN 0032-0633

Iyer, V. Narasimha ; Viswanathan, K. S. (1981) Elastic wave surfaces for the (111) plane of cubic crystals Pramana - Journal of Physics, 17 (2). pp. 135-142. ISSN 0304-4289

Viswanathan, K. S. (1981) Elastic wave surfaces and phonon focussing for the A-15 compounds Solid State Communications, 38 (10). pp. 947-948. ISSN 0038-1098

Renuka, G. ; Viswanathan, K. S. (1980) Temperature anisotropy instabilities in a plasma containing cold and hot species in the magnetosphere Planetary and Space Science, 28 (2). pp. 169-176. ISSN 0032-0633

Reddy, C. A. ; Somayajulu, V. V. ; Viswanathan, K. S. (1979) Ionospheric-magnetospheric contributions to storm-time magnetic field changes near dip equator Communications in Mathematical Physics, 281 . pp. 471-474. ISSN 0010-3616

Viswanathan, K. S. (1979) Rotary activity of shear waves under Helicon-phonon interaction Solid State Communications, 31 (10). pp. 725-726. ISSN 0038-1098

Viswanathan, K. S. ; Philip, Jacob (1979) Neutron scattering by anharmonic crystals and the effect of sublattice displacements Pramana - Journal of Physics, 12 (6). pp. 679-697. ISSN 0304-4289

Mayer, D. H. ; Viswanathan, K. S. (1979) A note on the vacuum structure of an SU(2) Yang-Mills theory Communications in Mathematical Physics, 67 (3). pp. 199-203. ISSN 0010-3616

Viswanathan, K. S. ; Renuka, G. (1978) Pitch angle diffusion by bounce resonance Planetary and Space Science, 26 (1). pp. 75-80. ISSN 0032-0633

Viswanathan, K. S. (1977) Anomalous neutron scattering and ferroelectric soft modes Pramana - Journal of Physics, 8 (5). pp. 417-419. ISSN 0304-4289

Philip, Jacob ; Viswanathan, K. S. (1977) Cuspidal edges for elastic wave surfaces for cubic crystals Pramana - Journal of Physics, 8 (4). pp. 348-362. ISSN 0304-4289

Mayer, D. H. ; Viswanathan, K. S. (1977) On the ζ-function of a one-dimensional classical system of hard-rods Communications in Mathematical Physics, 52 (2). pp. 175-189. ISSN 0010-3616

Viswanathan , K. S. (1976) Statistical mechanics of a one-dimensional lattice gas with exponential-polynomial interactions Communications in Mathematical Physics, 47 (2). pp. 131-141. ISSN 0010-3616

Viswanathan, K. S. ; Nayar, S. R. Prabhakaran (1975) The sublattice displacements and the elastic constants of A-15 compounds Physics Letters A, 51 (6). pp. 355-356. ISSN 0375-9601

Viswanathan, K. S. ; Rajam, S. (1973) The propagation of ultrasonic waves in piezoelectric semiconductors Proceedings of the Indian Academy of Sciences, Section A, 78 (2). pp. 45-56. ISSN 0370-0089

Viswanathan, K. S. ; Revathy, K. (1972) Pitch angle scattering into loss cone by Cyclotron resonance Proceedings of the Indian Academy of Sciences, Section A, 76 (5). pp. 195-206. ISSN 0370-0089

Viswanathan, K. S. ; Dwarakanath, G. S. ; Shanbhag, V. V. (1971) The structure of strong shock waves using the Fokker-Planck model Proceedings of the Indian Academy of Sciences, Section A, 74 (3). pp. 115-132. ISSN 0370-0089

Viswanathan, K. S. ; Dwarakanath, G. S. (1970) Turbulent shock waves in a collision- free plasma Proceedings of the Indian Academy of Sciences, Section A, 71 (3). pp. 119-140. ISSN 0370-0089

Viswanathan, K. S. ; Rajappa, N. (1969) A note on auroral electrons Planetary and Space Science, 17 (5). pp. 1051-1055. ISSN 0032-0633

Rajappa, N. ; Venkatarangan, P. ; Viswanathan, K. S. (1967) The geomagnetic cavity and the Van Allen radiation belts - II Planetary and Space Science, 15 (3). pp. 495-502. ISSN 0032-0633

Viswanathan, K. S. ; Venkatarangan, P. (1966) The geomagnetic cavity and the Van Allen radiation belts Planetary and Space Science, 14 (7). pp. 641-647. ISSN 0032-0633

Viswanathan, K. S. ; Achar, B. N. Narahari (1964) Quantum and correlation corrections to the Thomas-Fermi potential Canadian Journal of Physics / Revue Canadienne de Physique, 42 (11). pp. 2332-2344. ISSN 0008-4204

Viswanathan, K. S. (1962) The many electron wave equation in the Schrödinger-Pauli form Proceedings of the Indian Academy of Sciences, Section A, 55 (5). pp. 261-279. ISSN 0370-0089

Viswanathan, K. S. (1961) The correlated Hartree-Fock equations and the generalised density matrices Proceedings of the Indian Academy of Sciences, Section A, 53 (4). pp. 169-194. ISSN 0370-0089

Viswanathan, K. S. (1960) The Dirac equation for many-electron systems Proceedings of the Indian Academy of Sciences, Section A, 52 (1). pp. 35-45. ISSN 0370-0089

Viswanathan, K. S. (1959) The relativistic theory of chemical binding Proceedings of the Indian Academy of Sciences, Section A, 50 (1). pp. 1-18. ISSN 0370-0089

Viswanathan, K. S. (1958) Anharmonicity of vibration in molecules Proceedings of the Indian Academy of Sciences, Section A, 47 (2). pp. 85-97. ISSN 0370-0089

Viswanathan, K. S. (1957) The theory of the anharmonic oscillator Proceedings of the Indian Academy of Sciences, Section A, 46 (3). pp. 203-217. ISSN 0370-0089

Raman, C. V. ; Viswanathan, K. S. (1955) On the theory of the elasticity of crystals Proceedings of the Indian Academy of Sciences, Section A, 42 (2). pp. 51-70. ISSN 0370-0089

Raman, C. V. ; Viswanathan, K. S. (1955) The elastic behaviour of isotropic solids Proceedings of the Indian Academy of Sciences, Section A, 42 (1). pp. 1-9. ISSN 0370-0089

Raman, C. V. ; Viswanathan, K. S. (1955) A generalised theory of the Christiansen experiment Proceedings of the Indian Academy of Sciences, Section A, 41 (2). pp. 55-60. ISSN 0370-0089

Raman, C. V. ; Viswanathan, K. S. (1955) The theory of the propagation of light in polycrystalline media Proceedings of the Indian Academy of Sciences, Section A, 41 (2). pp. 37-44. ISSN 0370-0089

Viswanathan, K. S. (1955) The theory of the elasticity of crystals Proceedings of the Indian Academy of Sciences, Section A, 41 (3). pp. 98-116. ISSN 0370-0089

Viswanathan, K. S. (1954) The theory of elasticity and of wave-propagation in crystals from the atomistic standpoint Proceedings of the Indian Academy of Sciences, Section A, 39 (4). pp. 196-213. ISSN 0370-0089

Viswanathan, K. S. (1953) The characteristic vibrations of crystal lattices-Part II Proceedings of the Indian Academy of Sciences, Section A, 37 (3). pp. 435-440. ISSN 0370-0089

Viswanathan, K. S. (1953) The characteristic vibrations of crystal lattices. Part I Proceedings of the Indian Academy of Sciences, Section A, 37 (3). pp. 424-434. ISSN 0370-0089

Viswanathan, K. S. (1952) On the characteristic vibrations of linear lattices Proceedings of the Indian Academy of Sciences, Section A, 35 (5). pp. 265-276. ISSN 0370-0089

Viswanathan, K. S. (1952) The characteristic vibrations of a rectangular lattice Proceedings of the Indian Academy of Sciences, Section A, 36 (4). pp. 306-314. ISSN 0370-0089