EPJ Web Conf.
Volume 138, 2017XXIII International Baldin Seminar on High Energy Physics Problems Relativistic Nuclear Physics and Quantum Chromodynamics (Baldin ISHEPP XXIII)
|Number of page(s)||6|
|Section||Dynamics of multiparticle production|
|Published online||27 March 2017|
Field induced phase transition in the few photon regime
1 Saratov State University, Saratov, Russia
2 Joint Institute for Nuclear Research, Dubna, Russia
3 Helmholtz-Zentrum Dresden-Rossendorf, Germany
4 Institut für Theoretische Physik, Dresden, Germany
5 University of Wroclaw, Wroclaw, Poland
6 National Research Nuclear University (MEPhI), Moscow, Russia
* e-mail: email@example.com
Published online: 27 March 2017
Some features of the field induced phase transition accompanied by the vacuum creation of an electron-positron plasma (EPP) in strong time-dependent electric fields have been discussed in the work  in the domain of the tunneling mechanism (ω ≪ m, where ω is the characteristic frequency of the external field and m is the electron mass). In the present contribution the features of this process will be considered in the few photon domain where ω ~ m. We observe a narrowing of the transient domain of the quickly oscillations and, mainly, a considerable growth of the effectiveness of the EPP production. Under these circumstances, we see an increase of the effectiveness of the EPP creation in the particular case of a bifrequent excitation, where both mechanisms (tunneling and few photon) act simultaneously [2, 3].
© The Authors, published by EDP Sciences, 2017
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