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Ivanov, Igor
초강력 레이저과학 연구단
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Distribution of absorbed photons in the tunneling ionization process

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Title
Distribution of absorbed photons in the tunneling ionization process
Author(s)
I. A. Ivanov; Kyung Taec Kim
Publication Date
2021-12
Journal
Scientific Reports, v.11, no.1
Publisher
Nature Publishing Group
Abstract
We describe a procedure that allows us to solve the three-dimensional time-dependent Schrödinger equation for an atom interacting with a quantized one-mode electromagnetic field. Atom-field interaction is treated in an ab initio way prescribed by quantum electrodynamics. We use the procedure to calculate probability distributions of absorbed photons in the regime of tunneling ionization. We analyze evolution of the reduced photon density matrix describing the state of the field. We show that non-diagonal density matrix elements decay quickly, as a result of the decoherence process. A stochastic model, viewing ionization as a Markovian birth-death process, reproduces the main features of the calculated photon distributions.
URI
https://pr.ibs.re.kr/handle/8788114/9198
DOI
10.1038/s41598-021-83453-0
ISSN
2045-2322
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > 1. Journal Papers (저널논문)
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