3 papers
cond-mat.stat-mech2023
Quantum Langevin dynamics and the long-time behaviour of two charged coupled oscillators in a common heat bath
Koushik Mandal, Suraka Bhattacharjee
In this paper, the moderately long-time behaviours of the correlation functions for two charged coupled harmonic oscillators connected to a common heat bath are analyzed in the pre…
cond-mat.supr-con2022
Some aspects of Microscopic Mechanism of Superconductivity in conventional and non-conventional systems
Ranjan Chaudhury, Koushik Mandal
A broad review of theoretical research work involving different types of microscopic mechanism in various classes of superconductors, carried out in our research group over a decad…
cond-mat.supr-con2020
Interplay of Pairing Correlation and Coulomb Correlation in Boson Exchange Superconductors
Koushik Mandal, Ranjan Chaudhury
A theoretical methodology for exploring the conventional Bardeen-Cooper-Schrieffer (BCS) pairing instability for superconductivity from a correlated normal phase for all possible d…