Relaxation of a High-Energy Quasiparticle in a One-Dimensional Bose Gas
Journal Article
·
· Physical Review Letters
- Department of Physics, Yale University, New Haven, Connecticut 06520 (United States)
- School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332 (United States)
We evaluate the relaxation rate of high-energy quasiparticles in a weakly interacting one-dimensional Bose gas. Unlike in higher dimensions, the rate is a nonmonotonic function of temperature, with a maximum at the crossover to the state of suppressed density fluctuations. At the maximum, the relaxation rate may significantly exceed its zero-temperature value. We also find the dependence of the differential inelastic scattering rate on the transferred energy. This rate yields information about temperature dependence of local pair correlations.
- OSTI ID:
- 21470984
- Journal Information:
- Physical Review Letters, Vol. 105, Issue 9; Other Information: DOI: 10.1103/PhysRevLett.105.090404; (c) 2010 American Institute of Physics; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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