Beta-borophene under the circularly polarized radiation: polaritonic and polaronic dynamic band structure

Akay, D. and Schliemann, J. (2022) Beta-borophene under the circularly polarized radiation: polaritonic and polaronic dynamic band structure. EUROPEAN PHYSICAL JOURNAL PLUS, 137 (11): 1273. ISSN 2190-5444,

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Abstract

We study the effect of circularly polarized electromagnetic radiation on the optical polarons in a monolayer beta-borophene. We focus our attention on the off-resonant regime of large driving frequencies, which allows us to set up an effectively timeindependent Hamiltonian describing the radiation field up to the second perturbational order. The contributions of optical surface phonons are incorporated according to the Lee-Low-Pines theory, via a sequence of appropriate unitary transformations. A central object in our investigation is the electronic band gap, which is shown to be widely controllable via the variation of light irradiation and substrate properties. We also show that the polaron self-energy contribution gives more contribution than the combination of the polaronic and polaritonic effects.

Item Type: Article
Uncontrolled Keywords: 2D MATERIALS; REALIZATION;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group John Schliemann
Depositing User: Dr. Gernot Deinzer
Date Deposited: 08 Feb 2024 15:16
Last Modified: 08 Feb 2024 15:16
URI: https://pred.uni-regensburg.de/id/eprint/57587

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