| Issue |
EPL
Volume 91, Number 6, September 2010
|
|
|---|---|---|
| Article Number | 67003 | |
| Number of page(s) | 5 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/91/67003 | |
| Published online | 05 October 2010 | |
Decoherence and damping in ideal gases
Strasbourg University, High Energy Theory Group, CNRS-IPHC - 23 rue du Loess, BP28, 67037 Strasbourg Cedex 2, France, EU
Received:
5
June
2010
Accepted:
2
September
2010
The particle and current densities are shown to display damping and undergo decoherence in ideal quantum gases. The damping is read off from the equations of motion reminiscent of the Navier-Stokes equations and shows some formal similarity with Landau damping. The decoherence leads to consistent density and current histories with characteristic length and time scales given by the ideal gas.
PACS: 71.10.Ca – Electron gas, Fermi gas / 03.65.Ta – Foundations of quantum mechanics; measurement theory
© EPLA, 2010
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