Comparing classical and quantum equilibration
Quantum Physics
2016-09-21 v3 Classical Physics
Abstract
By using a physically-relevant and theory independent definition of measurement-based equilibration, we show quantitatively that equilibration is easier for quantum systems than for classical systems, in the situation where the initial state of the system is completely known (pure state). This shows that quantum equilibration is a fundamental, nigh unavoidable, aspect of physical systems, while classical equilibration relies on experimental ignorance. When the state is not completely known, a mixed state, this framework also shows quantum equilibration requires weaker conditions.
Cite
@article{arxiv.1604.02387,
title = {Comparing classical and quantum equilibration},
author = {Artur S. L. Malabarba and Terry Farrelly and Anthony J. Short},
journal= {arXiv preprint arXiv:1604.02387},
year = {2016}
}
Comments
6 pages main text, 1 page appendix, updates: (v2) typesetting of references fixed, (v3) references added