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 mixedvalent impurity in a metal (1982) Densitywave theory of firstorder 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. Firstprinciples orderparameter theory of freezing. Phys. Rev. B19:2775, 1979 With M. Yussouff. Theory of the liquidsolid 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 chargeordered 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 BiCSrCuO cuprates (1989) With M. Raj Lakshmi and H.R. Krishnamurthy first to calculate the dislocation structure within the framework of an orderparameter 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 electronelectron scattering (1981) With P.W. Anderson & E. Abrahams introduced the idea of an incoherence length L_{2} at which inelastic collision broadening equals electronic energylevel separation (1979) Presented a many body theoretical method for calculating the effect of low energy fluctuations on the dynamic susceptibility (1974)

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