Journal
COMMUNICATIONS IN MATHEMATICAL PHYSICS
Volume 315, Issue 2, Pages 401-444Publisher
SPRINGER
DOI: 10.1007/s00220-012-1564-2
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- Direct For Mathematical & Physical Scien
- Division Of Mathematical Sciences [0903651, 1201394] Funding Source: National Science Foundation
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We study the motion of a heavy tracer particle weakly coupled to a dense ideal Bose gas exhibiting Bose-Einstein condensation. In the so-called mean-field limit, the dynamics of this system approaches one determined by nonlinear Hamiltonian evolution equations describing a process of emission of Cerenkov radiation of sound waves into the Bose-Einstein condensate along the particle's trajectory. The emission of Cerenkov radiation results in a friction force with memory acting on the tracer particle and causing it to decelerate until it comes to rest.
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