New kind of condensation of Bose particles through stimulated processes
Fuente:
arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2022
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| Acceso en línea: | |
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| _version_ | 1866908917890547712 |
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| author | Svidzinsky, Anatoly A. Yuan, Luqi Scully, Marlan O. |
| author_facet | Svidzinsky, Anatoly A. Yuan, Luqi Scully, Marlan O. |
| contents | We show that stimulated scattering of an isolated system of N Bose particles with initially broad energy distribution can yield condensation of particles into excited collective state in which most of the bosons occupy one or several modes. During condensation, the total particle number and energy are conserved, while entropy of the system grows. Onset of condensation occurs at a critical particle occupation number when spectrum narrowing due to stimulated processes overcomes spectrum broadening due to diffusion. This differs from Bose-Einstein condensation in which particles undergo condensation into the equilibrium state due to thermalization processes. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2202_10942 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | New kind of condensation of Bose particles through stimulated processes Svidzinsky, Anatoly A. Yuan, Luqi Scully, Marlan O. Quantum Gases Optics We show that stimulated scattering of an isolated system of N Bose particles with initially broad energy distribution can yield condensation of particles into excited collective state in which most of the bosons occupy one or several modes. During condensation, the total particle number and energy are conserved, while entropy of the system grows. Onset of condensation occurs at a critical particle occupation number when spectrum narrowing due to stimulated processes overcomes spectrum broadening due to diffusion. This differs from Bose-Einstein condensation in which particles undergo condensation into the equilibrium state due to thermalization processes. |
| title | New kind of condensation of Bose particles through stimulated processes |
| topic | Quantum Gases Optics |
| url | https://arxiv.org/abs/2202.10942 |