SPECIAL ISSUE: Selected Papers from the Ninth Conference on Quantum Field Theory Under the Influence of External Conditions (QFEXT09); University of Oklahoma, 21–25 September 2009; Editors: K. Milton and M. BordagNo Access

THE SEARCH FOR THE SCHWINGER EFFECT: NONPERTURBATIVE VACUUM PAIR PRODUCTION

GERALD V. DUNNE

GERALD V. DUNNE

Department of Physics, University of Connecticut, Storrs, CT 06269, USA

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https://doi.org/10.1142/S0217751X10049657Cited by:9 (Source: Crossref)

Abstract

The Schwinger effect is the non-perturbative production of electron-positron pairs when an external electric field is applied to the quantum electrodynamical (QED) vacuum. The inherent instability of the vacuum in an electric field was one of the first non-trivial predictions of QED, but the effect is so weak that it has not yet been directly observed. However, there are exciting new developments in ultra-high intensity lasers, which may bring us to the verge of this extreme ultra-relativistic regime. This necessitates a fresh look at both experimental and theoretical aspects of the Schwinger effect. I describe some new theoretical ideas aimed at making this elusive effect observable, by careful shaping of the laser pulses, much as is done [in a different intensity regime] in the fast-developing field of atto-science.

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