3 papers
cond-mat.other2026
Real-Time Formation of a Landau Polaron
Priya Nagpal, Arnab Ghosh, Helene Seiler +2
Polarons are electronic excitations dressed by a self-consistent lattice distortion, yet their formation has not been directly resolved in real time. We develop a microscopic lines…
quant-ph2025
Fluctuations and Irreversibility: Historical and Modern Perspectives
Sounak Bandyopadhyay, Arnab Ghosh
This article traces the development of fluctuation theory and its deep connection to irreversibility, from equilibrium to near-equilibrium, and finally to far-from-equilibrium syst…
quant-ph2025
Statistical mechanics from quantum envariance and exchange symmetry
Amul Ojha, Shubhit Sardana, Arnab Ghosh
We build on the foundational work of Deffner and Zurek [S. Deffner and W. H. Zurek, New J. Phys. 18, 063013 (2016)] to show how central equilibrium structures of statistical mechan…