Statistical mechanics of gravitating systems: An Overview
| dc.creator | Padmanabhan, T. | |
| dc.date | 2008-12-14 | |
| dc.date | 2009-02-16 | |
| dc.date.accessioned | 2026-07-07T12:41:30Z | |
| dc.date.available | 2026-07-07T12:41:30Z | |
| dc.description | I review several issues related to statistical description of gravitating systems in both static and expanding backgrounds. After briefly reviewing the results for the static background, I concentrate on gravitational clustering of collisionless particles in an expanding universe. In particular, I describe (a) how the non linear mode-mode coupling transfers power from one scale to another in the Fourier space if the initial power spectrum is sharply peaked at a given scale and (b) the asymptotic characteristics of gravitational clustering which are independent of the initial conditions. Numerical simulations as well as analytic work shows that power transfer leads to a universal power spectrum at late times, somewhat reminiscent of the existence of Kolmogorov spectrum in fluid turbulence. | |
| dc.description | Based on the Lecture Course given at the Les Houches Summer School on `Long Range Interacting Systems', 4-29 August 2008; 25 pages; 5 figures; ver 2 typo in author's name corrected and one reference added | |
| dc.identifier | https://arxiv.org/abs/0812.2610 | |
| dc.identifier | http://arxiv.org/abs/0812.2610 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/219794 | |
| dc.subject | Astrophysics | |
| dc.title | Statistical mechanics of gravitating systems: An Overview | |
| dc.type | text |