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Type: Artigo de periódico
Title: Timelapse
Author: De Leo, S
Rotelli, P
Abstract: We discuss the existence, in an arbitrary frame, of a finite time for the transformation of an initial quantum state into another, e.g., in a decay. This leads to the introduction of a timelapse (τ) over tilde, by analogy with the lifetime of a particle. An argument based upon the Heisenberg uncertainty principle suggests the value of (τ) over tilde = 1/M-0. Consequences for the exponential decay formula and the modifications which (τ) over tilde introduces into the Breit-Wigner mass formula are described. (C) 2002 MAIK 'Nauka/Interperiodica'.
Country: EUA
Editor: Amer Inst Physics
Citation: Jetp Letters. Amer Inst Physics, v. 76, n. 1, n. 56, n. 60, 2002.
Rights: fechado
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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