Abstract
We discuss in detail statistical mechanical properties of quantum dynamics with the use of numerical simulations of isolated one-dimensional spin systems of various sizes. With respect to the energy distribution in a subsystem, a good agreement is observed between those obtained by the method of statistical mechanics and via long-time average over simulation, even in the system composed of a small number of spins. In particular, the distribution of energy forms the canonical distribution.
| Original language | English |
|---|---|
| Pages (from-to) | 1243-1249 |
| Number of pages | 7 |
| Journal | Journal of the Physical Society of Japan |
| Volume | 65 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 1996 Jan 1 |
| Externally published | Yes |
Keywords
- Ergodicity
- Few degrees of freedom
- Quantum mechanical motion
- Quantum spin system
- Statistical mechanical properties
- The canonical distribution
ASJC Scopus subject areas
- Physics and Astronomy(all)