Maximum entropy quantum state distributions
Quantum Physics
2022-03-25 v2 Mesoscale and Nanoscale Physics
Statistical Mechanics
Abstract
We propose an approach to the realization of many-body quantum state distributions inspired by combined principles of thermodynamics and mesoscopic physics. Its essence is a maximum entropy principle conditioned by conservation laws. We go beyond traditional thermodynamics and condition on the full distribution of the conserved quantities. The result are quantum state distributions whose deviations from `thermal states' get more pronounced in the limit of wide input distributions. We describe their properties in terms of entanglement measures and discuss strategies for state engineering by methods of current date experimentation.
Cite
@article{arxiv.2203.12580,
title = {Maximum entropy quantum state distributions},
author = {Alexander Altland and David A. Huse and Tobias Micklitz},
journal= {arXiv preprint arXiv:2203.12580},
year = {2022}
}
Comments
4 pages, 2 figures, supplementary material