Thermal Pure Quantum States at Finite Temperature
Statistical Mechanics
2012-06-18 v4 Strongly Correlated Electrons
High Energy Physics - Theory
Quantum Physics
Abstract
An equilibrium state can be represented by a pure quantum state, which we call a thermal pure quantum (TPQ) state. We propose a new TPQ state and a simple method of obtaining it. A single realization of the TPQ state suffices for calculating all statistical-mechanical properties, including correlation functions and genuine thermodynamic variables, of a quantum system at finite temperature.
Keywords
Cite
@article{arxiv.1112.0740,
title = {Thermal Pure Quantum States at Finite Temperature},
author = {Sho Sugiura and Akira Shimizu},
journal= {arXiv preprint arXiv:1112.0740},
year = {2012}
}
Comments
5 pages, 3 figures, A shortened version will appear in Phys. Rev. Lett