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Tiruppattur Venkatachalamurti Ramakrishnan

Tiruppattur Venkatachalamurti Ramakrishnan, Indian theoretical physicist (Tamil Nadu 14 August 1941 –


Authored 150 research publications and 3 books (until 2012)


PRESENTED NEW THEORIES

With M. Yussouff introduced the density functional theory of freezing (1990)

With K. Sur presented a perturbation theory for the thermodynamic properties of a mixed-valent impurity in a metal (1982)

Density-wave theory of first-order freezing in two dimensions (1982)

With E. Abraham, P.W. Anderson & D.C. Liciardello. Scaling theory of localization: absence of quantum diffusion in two dimensions. Phys. Rev. B22:3519, 1979

With M. Yussouff. First-principles order-parameter theory of freezing. Phys. Rev. B19:2775, 1979

With M. Yussouff. Theory of the liquid-solid transition. Solid State Comm. 21:389, 1977

OTHER CONTRIBUTIONS

With B. Banerjee, S. Balasubramanian, G. Ananthakrishnan et al found the existence of bimodality during the progression of cell cycles (2004) 

With R. Gupta, G. Venketeswara, A.K. Sood & C.N.R. Rao first saw the anomalous temperature dependence of phonon lineshapes in charge-ordered manganites (2002)

Suggested a novel localizing phenomenon in doped manganites (1998) 

With B.K. Chakraverty gave a simple universal criterion for behavior prediction of oxide superconductors (1997)

With K. Sheshadri, H.R. Krishnamurthy & R. Pandit suggested a new physical picture for the superfluid Bose glass transition (1995)

With K.V.R. Varma, G.N. Subbama & C.N.R. Rao discovered novel dielectric properties of glasses prepared by quenching melts of Bi-C-Sr-Cu-O cuprates (1989)

With M. Raj Lakshmi and H.R. Krishnamurthy first to calculate the dislocation structure within the framework of an order-parameter theory and incorporating thermal effects in it (1988)

With P. Coleman & P.W. Anderson showed that large anomalous Hall constants of mixed valent and Kondo lattice systems can be understood in terms of a simple resonant level Fermi liquid model (1985)

With P.W. Anderson & K.A. Mutalib proposed that superconducting critical temperature decreasing similarly with disorder for all systems with high critical temperature is a localization effect (1983)

With E. Abrahams, P.W. Anderson & P.A. Lee calculated the electron quasiparticle lifetime in a disordered metal due to electron-electron scattering (1981)

With P.W. Anderson & E. Abrahams introduced the idea of an incoherence length L2 at which inelastic collision broadening equals electronic energy-level separation (1979)

Presented a many body theoretical method for calculating the effect of low energy fluctuations on the dynamic susceptibility (1974)