Diffraction in time: Fraunhofer and Fresnel dispersion by a slit

Salvador Godoy
Phys. Rev. A 65, 042111 – Published 4 April 2002
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Abstract

Moshinsky’s work on diffraction in time is recognized as a particular case of monoenergetic, quantum dispersion process. Diffraction in time is extended to include new initial conditions, which under free evolution exhibit temporal quantum interference patterns in close analogy to spatial diffraction patterns found in optics. We show that free propagation of states, which initially are stationary states of infinite potential wells, diffract in time similarly as a plane wave by a double slit. We introduce the concepts of mass transport by transient Fraunhofer and Fresnel dispersion currents.

  • Received 22 August 2001

DOI:https://doi.org/10.1103/PhysRevA.65.042111

©2002 American Physical Society

Authors & Affiliations

Salvador Godoy*

  • Departamento de Física, Facultad de Ciencias, Universidad Nacional Autónoma de México, México 04510, Distrito Federal, Mexico

  • *Email address: sgs@hp.fciencias.unam.mx

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Vol. 65, Iss. 4 — April 2002

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