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Phys. Rev. A 75, 043802 (2007) [11 pages]

Field-emitter bound states in structured thermal reservoirs

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D. Mogilevtsev1,2, F. Moreira2, S. B. Cavalcanti2,3, and S. Kilin1
1Institute of Physics, Belarus National Academy of Sciences, F. Skarina Avenue 68, Minsk 220072, Belarus
2Departamento de Física, Instituto de Física, Universidade Federal de Alagoas, Cidade Universitária, 57072-970 Maceió, Alagoas, Brazil
3Instituto de Física, Unicamp, Caixa Postale 6165, Campinas-São Paulo 13083-970, Brazil

Received 2 September 2006; published 3 April 2007

We derive a master equation for a two-level emitter interacting with a band-gap reservoir at finite temperatures. This equation is able to capture effects of emitter-reservoir entanglement. We show that the entangled field-emitter bound state, which arises in the process of interaction, does not survive indefinitely at finite temperatures. However, such an entangled state may be effectively excited through an intensive incoherent driving.

© 2007 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.75.043802
DOI:
10.1103/PhysRevA.75.043802
PACS:
42.50.Lc, 32.80.−t