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Ivan Savenko
복잡계 이론물리 연구단
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Bogolon-mediated electron capture by impurities in hybrid Bose-Fermi systems

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Title
Bogolon-mediated electron capture by impurities in hybrid Bose-Fermi systems
Author(s)
M. V. Boev; V. M. Kovalev; I. G. Savenko
Publication Date
2018-04
Journal
PHYSICAL REVIEW B, v.97, no.16, pp.165305 -
Publisher
AMER PHYSICAL SOC
Abstract
We investigate the processes of electron capture by a Coulomb impurity center residing in a hybrid system consisting of spatially separated two-dimensional layers of electron and Bose-condensed dipolar exciton gases coupled via the Coulomb forces.We calculate the probability of the electron capture accompanied by the emission of a single Bogoliubov excitation (bogolon), similar to regular phonon-mediated scattering in solids. Furthermore, we study the electron capture mediated by the emission of a pair of bogolons in a single capture event and show that these processes not only should be treated in the same order of the perturbation theory, but also they give a more important contribution than single-bogolon-mediated capture, in contrast with regular phonon scattering. ©2018 American Physical Society
URI
http://pr.ibs.re.kr/handle/8788114/4567
ISSN
2469-9950
Appears in Collections:
Center for Theoretical Physics of Complex Systems(복잡계 이론물리 연구단) > Journal Papers (저널논문)
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