On the dynamics of large-N O(N)-symmetric quantum systems at finite temperature
| dc.creator | Buividovich, P. V. | |
| dc.date | 2009-03-25 | |
| dc.date.accessioned | 2026-07-07T12:56:23Z | |
| dc.date.available | 2026-07-07T12:56:23Z | |
| dc.description | Time evolution of a perturbed thermal state is studied in a quantum-mechanical system with O(N) symmetry. In the limit of large N, time dependence of O(N)-singlet expectation values can be described by classical equations of motion in a one-dimensional potential well. Time dependence of the perturbation is then described by a linear differential equation with time-dependent periodic coefficient. This equation, depending on the parameters, admits either exponentially growing/decaying or periodically oscillating solutions. It is demonstrated that only the latter possibility is actually realized, thus in such a system there is no redistribution of initial perturbation over all N degrees of freedom. | |
| dc.description | 4 pages RevTeX, 2 figures | |
| dc.identifier | https://arxiv.org/abs/0903.4263 | |
| dc.identifier | http://arxiv.org/abs/0903.4263 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/224563 | |
| dc.subject | Quantum Physics | |
| dc.subject | High Energy Physics - Lattice | |
| dc.subject | High Energy Physics - Theory | |
| dc.title | On the dynamics of large-N O(N)-symmetric quantum systems at finite temperature | |
| dc.type | text |