When is a quantity additive, and when is it extensive?
Statistical Mechanics
2007-05-23 v1
Abstract
The difference between the terms additivity and extensivity, as well as their respective negations, is critically analyzed and illustrated with a few examples. The concepts of subadditivity, pseudo-additivity, and pseudo-extensivity are also defined.
Cite
@article{arxiv.cond-mat/0201134,
title = {When is a quantity additive, and when is it extensive?},
author = {Hugo Touchette},
journal= {arXiv preprint arXiv:cond-mat/0201134},
year = {2007}
}
Comments
Contribution to the Proceedings of the International School and Conference on Non-Extensive Thermodynamics and Physical Applications, Villasimius, Sardegna, Italy, May 2001. To be published in Physica A