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Type: Artigo de periódico
Title: Survival law in a potential model
Author: De Leo, S
Rotelli, PP
Abstract: The radial equation of a simple potential model has long been known to yield an exponential survival law in a lowest-order (Breit-Wigner) approximation. We demonstrate that if the calculation is extended to fourth order, the survival law exhibits a parabolic short-time behavior which leads to the quantum Zeno effect. This model has further been studied numerically to characterize the extra exponential time parameter which compliments the lifetime. We also investigate the inverse Zeno effect.
Country: EUA
Editor: American Physical Soc
Rights: aberto
Identifier DOI: 10.1103/PhysRevA.70.022101
Date Issue: 2004
Appears in Collections:Unicamp - Artigos e Outros Documentos

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