RAS PhysicsЖурнал экспериментальной и теоретической физики Journal of Experimental and Theoretical Physics

  • ISSN (Print) 0044-4510
  • ISSN (Online) 3034-641X

TWO-TEMPERATURE DISTRIBUTION OF ATOMS UNDER SUB-DOPPLER COOLING CONDITIONS

PII
10.31857/S0044451024100080-1
DOI
10.31857/S0044451024100080
Publication type
Article
Status
Published
Authors
Volume/ Edition
Volume 166 / Issue number 4
Pages
517-526
Abstract
The problem of sub-Doppler laser cooling of atoms under "optical molasses" conditions in fields formed by counter-propagating waves with different polarization configurations is considered, with full accounting for quantum recoil effects. It is shown that the distribution of cold atoms is not in equilibrium but can nevertheless be approximated by two Gaussian functions and, accordingly, characterized by temperatures of "cold" and "hot" fractions. A detailed analysis of the atomic fractions and their temperatures depending on the parameters of light fields is carried out. Based on the obtained results, the concept of weighted average temperature can be introduced, which corresponds to the average kinetic energy of atoms.
Keywords
Date of publication
15.10.2024
Year of publication
2024
Number of purchasers
0
Views
91

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