THERMAL RADIATION FROM A FLUCTUATING EVENT HORIZON
Nenhuma Miniatura disponível
Data
2012-09-10
Autores
Arias, E.
Krein, Gastão Inácio [UNESP]
Menezes, G. [UNESP]
Svaiter, N. F.
Título da Revista
ISSN da Revista
Título de Volume
Editor
World Scientific Publ Co Pte Ltd
Resumo
We consider a pointlike two-level system undergoing uniformly accelerated motion. We evaluate the transition probability rate of this system coupled to a massless scalar field near a fluctuating event horizon. Such horizon fluctuations are generated using random noise. We study the case of centered, stationary and Gaussian random processes. The transition probability of the two-level system is obtained from the positive-frequency Wightman function calculated to one-loop order in the noise averaging process. Our results show how this fluctuating-horizon model modifies the response function of the two-level system.
Descrição
Palavras-chave
Quantum fields in curved space-time, wave propagation in random media
Como citar
International Journal of Modern Physics A. Singapore: World Scientific Publ Co Pte Ltd, v. 27, n. 22, p. 17, 2012.