Bose condensate from the standpoint of laser physics

Oraevsky, Anatolii N

doi:10.1070/pu2001v044n06abeh000963

Cited by 8 publications

(1 citation statement)

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“…For the radiation field, the situation turned out to be the opposite, -discovery of masers and lasers took place in years 50-th that is much earlier than understanding of a deep analogy between lasing from one hand side and phase transitions [11] from the other hand side, including the Bose condensation of photons [12] as a particular case of phase transitions. By now it became clear that the coherent laser radiation results from condensation of photons in the same mode of an optical resonator with an active media inside.…”

Section: Why Electro-conductance Of Atomic Condensates?mentioning

confidence: 99%

Tunneling electroconductance of atomic Bose-Einstein condensates

et al. 2009

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We consider interaction of an electron with a Bose condensate of atoms having electron affinity. Though states of the electron attached to atoms form a continuous band, tunneling through this band is strongly suppressed by quantum fluctuations of the condensate density. We adapt standard field theory methods originally developed for description of a particle propagating trough a disordered potential and present an exactly soluble analytical model of the process. In contrast with the standard description, we take into account inelastic processes associated with quantum transitions in the condensate. Possibilities of the experimental observation of the phenomenon are discussed.

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Section: Why Electro-conductance Of Atomic Condensates?mentioning

confidence: 99%