Publication:
Quantum dynamics of atomic Rydberg excitation in strong laser fields

Дата
2019
Авторы
Hu, S.
Hao, X.
Lv, H.
Liu, M.
Becker, W.
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Научные группы
Организационные подразделения
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Институт лазерных и плазменных технологий
Стратегическая цель Института ЛаПлаз – стать ведущей научной школой и ядром развития инноваций по лазерным, плазменным, радиационным и ускорительным технологиям, с уникальными образовательными программами, востребованными на российском и мировом рынке образовательных услуг.
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Аннотация
© 2019 Optical Society of America under the terms of the OSA Open Access Publishing AgreementNeutral atoms have been observed to survive intense laser pulses in high Rydberg states with surprisingly large probability. Only with this Rydberg-state excitation (RSE) included is the picture of intense-laser-atom interaction complete. Various mechanisms have been proposed to explain the underlying physics. However, neither one can explain all the features observed in experiments and in time-dependent Schrödinger equation (TDSE) simulations. Here we propose a fully quantum-mechanical model based on the strong-field approximation (SFA). It well reproduces the intensity dependence of RSE obtained by the TDSE, which exhibits a series of modulated peaks. They are due to recapture of the liberated electron and the fact that the pertinent probability strongly depends on the position and the parity of the Rydberg state. We also present measurements of RSE in xenon at 800 nm, which display the peak structure consistent with the calculations.
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Quantum dynamics of atomic Rydberg excitation in strong laser fields / Hu, S. [et al.] // Optics Express. - 2019. - 27. - № 22. - P. 31629-31643. - 10.1364/OE.27.031629
URI
https://www.doi.org/10.1364/OE.27.031629
 https://www.scopus.com/record/display.uri?eid=2-s2.0-85074327352&origin=resultslist
 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000492996000044
 https://openrepository.mephi.ru/handle/123456789/19711
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