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cond-mat.mtrl-sci2021★ 3 cited
Optical phonon contribution to the thermal conductivity of a quantum paraelectric
Pankaj Bhalla, Nabyendu Das
Motivated by recent experimental findings, we study the contribution of a quantum critical optical phonon branch to the thermal conductivity of a paraelectric system. We consider t…
cond-mat.mtrl-sci2007★ 12 cited
Fluctuations and Criticality in Quantum Paraelectrics
Nabyendu Das, Suresh G. Mishra
The temperature dependence of static dielectric susceptibility of a system with strongly coupled fluctuating dipoles is calculated within a self consistent mean fluctuation field a…