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SUMMARY:Particle production in intensive plane wave background
DTSTART;VALUE=DATE-TIME:20241025T094500Z
DTEND;VALUE=DATE-TIME:20241025T100000Z
DTSTAMP;VALUE=DATE-TIME:20260422T083558Z
UID:indico-contribution-4311@cern.ch
DESCRIPTION:Speakers: Ekaterina Dmitrieva (INR RAS)\nWe study the stabilit
 y of an intensive plane wave of a massless (or small mass) field due to th
 e production of massive particles (a process which is perturbatively forbi
 dden)\, in a toy model of two scalar fields. We apply two methods:  first\
 , we solve the Heisenberg equation for quantum amplitudes of produced mass
 ive field in case of arbitrary masses generalizing the solution of (see A.
 Arza PRD 105 (2022) 3\, 036004) applied to the case of small masses\; and 
  making the Lorentz boost (in case of nonzero mass) from the intense plane
  wave to intense oscillating condensate. The stability of the latter reduc
 es to the stability of the Mathieu equation which is a well-known task. Co
 mparing the results we argue that the generalized Arza solution is related
  to the case of narrow parametric resonance.\n\nhttps://indico.particle.me
 phi.ru/event/436/contributions/4311/
LOCATION: Moskvorechye 2
URL:https://indico.particle.mephi.ru/event/436/contributions/4311/
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