Abstract
We emphasize that the results of the paper are valid if the external electromagnetic field is slowly varying (i.e. if its variation on the distance of the order of lattice spacing may be neglected).
Original language | English |
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Article number | 114674 |
Journal | Nuclear Physics B |
Volume | 946 |
DOIs |
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State | Published - Sep 2019 |
Externally published | Yes |
Bibliographical note
Publisher Copyright:© 2018 The Author(s)