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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

A new phase time formula for opaque barrier tunneling

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Author(s):
De Leo, Stefano [1] ; Leonardi, Vinicius [1]
Total Authors: 2
Affiliation:
[1] Univ Estadual Campinas, Dept Appl Math, BR-13083970 Campinas, SP - Brazil
Total Affiliations: 1
Document type: Journal article
Source: Journal of Physics A-Mathematical and Theoretical; v. 44, n. 8 FEB 25 2011.
Web of Science Citations: 2
Abstract

After a brief review of the derivation of the standard phase time formula, based on the use of the stationary phase method, we propose, in the opaque limit, an alternative method to calculate the phase time. The new formula for the phase time is in excellent agreement with the numerical simulations and shows that for wave packets, whose upper limit of the momentum distribution is very close to the barrier height, the transit time is proportional to the barrier width. (AU)

FAPESP's process: 10/02216-2 - The wave packet formalism in the study of differential equations in quantum mechanics and optics
Grantee:Stefano de Leo
Support Opportunities: Scholarships abroad - Research