Journal
PHYSICS LETTERS B
Volume 791, Issue -, Pages 331-334Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2019.03.008
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We modify action in an external electromagnetic field to include effects of virtual axion-like particle (ALP) excitations. A measurable addition to QED-Euler-Heisenberg-Schwinger (EHS) action is obtained and incorporated into experimental constraints placed on ALP mass and coupling to two photons. The regime of these constraints in which the ALP vacuum effect surpasses the EHS effect is characterized. We show that probing of the virtual vacuum effect offers an alternative method in search for physics related to ALPs. (C) 2019 The Authors. Published by Elsevier B.V.
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