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A Milne problem from a Bose condensate with excitations

Leif Arkeryd (Institutionen för matematiska vetenskaper, matematik) ; Nouri Anne
Kinetic and Related Models (1937-5093). Vol. 6 (2013), 4, p. 671-686.
[Artikel, refereegranskad vetenskaplig]

The paper deals with a half-space linearized problem for the distribution function of the excitations in a Bose gas close to equilibrium. Existence and uniqueness of the solution, as well as its asymptotic properties are proven for a given energy flow. The problem differs from the ones for classical Boltzmann and related equations, where the hydrodynamic mass flow along the half-line is constant. Here ist is no more constant. Omstead we use energy flow which is constant but no more hydrodynamic.

Nyckelord: low temperature kinetics, Bose condensate, two component model, Milne problem.

To appear in the commemorial issue of KRM for professor Ukai.

Denna post skapades 2013-06-24. Senast ändrad 2015-03-03.
CPL Pubid: 179038


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