|
|||||
|
|
On the Blow Up and Condensation of Supercritical Solutions of the Nordheim Equation for Bosons |
|
| Authors: | M Escobedo J J L Velázquez |
| Institution: | 1. Departamento de Matemáticas, Universidad del País Vasco UPV/EHU, Apartado 644, 48080, Bilbao, Spain 2. Basque Center for Applied Mathematics (BCAM), Alameda de Mazarredo 14, 48009, Bilbao, Spain 3. Institute of Applied Mathematics, University of Bonn, Endenicher Allee 60, 53115, Bonn, Germany |
| Abstract: | In this paper we prove that the solutions of the isotropic, spatially homogeneous Nordheim equation for bosons with bounded initial data blow up in finite time in the L ∞ norm if the values of the energy and particle density are in the range of values where the corresponding equilibria contain a Dirac mass. We also prove that, in the weak solutions, whose initial data are measures with values of particle and energy densities satisfying the previous condition, a Dirac measure at the origin forms in finite time. |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ | |