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cond-mat.stat-mech2026
Nonperturbative computation of thermal conductivity based on Path Integral Monte Carlo methods
Vladislav Efremkin, Stefano Mossa, Jean-Louis Barrat +1
The calculation of thermal conductivity in insulating solids at temperatures below the Debye temperature is problematic, due to the breakdown of classical and semi-classical approa…
cond-mat.stat-mech2021
Time correlation functions for quantum systems: validating Bayesian approaches for harmonic oscillators and beyond
Vladislav Efremkin, Jean-Louis Barrat, Stefano Mossa +1
The quantum harmonic oscillator is the fundamental building block to compute thermal properties of virtually any dielectric crystal at low temperatures in terms of phonons, extende…