학술논문

Towards laser based improved experimental schemes for multiphoton e + e - pair production from vacuum
Document Type
Report
Source
Physics Letters A. August 3, 2009, Vol. 373 Issue 32, p2897, 4 p.
Subject
Laser
Lasers -- Production processes
Electromagnetism
Language
English
ISSN
0375-9601
Abstract
To link to full-text access for this article, visit this link: http://dx.doi.org/10.1016/j.physleta.2009.06.015 Byline: I. Ploumistakis (a), S.D. Moustaizis (a), I. Tsohantjis (b) Keywords: Pair production; Multiphoton processes; High intensity lasers Abstract: Numerical estimates for pair production from vacuum in the presence of strong electromagnetic fields are derived, for two experimental schemes: the first concerns a laser based X-FEL and the other imitates the E144 experiment. The approximation adopted in this work is that of two level multiphoton on resonance. Utilizing achievable values of laser beam parameters, an enhanced production efficiency of up to 10.sup.11 and 10.sup.15 pairs can be obtained, for the two schemes respectively. Author Affiliation: (a) Technical University of Crete, Department of Sciences, Institute of Matter Structure and Laser Physics, Chania GR-73100, Crete, Greece (b) Technical University of Crete, Department of Sciences, Division of Mathematics, Chania GR-73100, Crete, Greece Article History: Received 21 May 2009; Accepted 8 June 2009 Article Note: (miscellaneous) Communicated by V.M. Agranovich