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초강력 레이저 과학 연구단
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Vlasov equation for Schwinger pair production in a time-dependent electric field

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Title
Vlasov equation for Schwinger pair production in a time-dependent electric field
Author(s)
Huet A.; Sang Pyo Kim; Schubert C.
Publication Date
2014-12
Journal
PHYSICAL REVIEW D, v.90, no.12, pp.125033 -
Publisher
AMER PHYSICAL SOC
Abstract
Schwinger pair creation in a purely time-dependent electric field can be described through a quantum Vlasov equation describing the time evolution of the single-particle momentum distribution function. This equation exists in two versions, both of which can be derived by a Bogoliubov transformation, but whose equivalence is not obvious. For the spinless case, we show here that the difference between these two evolution equations corresponds to the one between the “in-out” and “in-in” formalisms. We give a simple relation between the asymptotic distribution functions generated by the two Vlasov equations. As examples we discuss the Sauter and single-soliton field cases.
URI
http://pr.ibs.re.kr/handle/8788114/845
DOI
10.1103/PhysRevD.90.125033
ISSN
2470-0010
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
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