Thumbnail
Access Restriction
Open

Author Serota, R. A.
Source arXiv.org
Content type Text
File Format PDF
Date of Submission 2008-09-04
Language English
Subject Domain (in DDC) Computer science, information & general works ♦ Natural sciences & mathematics ♦ Physics
Subject Keyword Condensed Matter - Mesoscale and Nanoscale Physics ♦ Condensed Matter - Statistical Mechanics ♦ Quantum Physics ♦ physics:cond-mat ♦ physics:quant-ph
Abstract Standard results for the fluctuations of thermodynamic quantities are derived under the assumption of sampling identical systems that are in different, not fully equilibrated states. These results apply to fluctuations with time in a particular macroscopic body and can be traced to the fluctuations of thermal occupancy. When many identically prepared - but not identical - systems are studied, mesoscopic fluctuations due to variations from sample to sample contribute to the fluctuations of thermodynamic quantities. We study the combined effect of mesoscopic fluctuations and fluctuations of thermal occupancy. In particular, we evaluate the total particle number and specific heat fluctuations in a two-dimensional, non-interacting electron gas in classically integrable and chaotic circumstances.
Educational Use Research
Learning Resource Type Article
Page Count 9


Open content in new tab

   Open content in new tab