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Title: Ultrastrong light-matter coupling of cyclotron transition in monolayer MoS2
Authors: Li, Benliang
Liu, Tao
Hewak, Daniel W.
Shen, Zexiang
Wang, Qi Jie
Keywords: Polariton
Cyclotron Transition
DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2016
Source: Li, B., Liu, T., Hewak, D. W., Shen, Z., & Wang, Q. J. (2016). Ultrastrong light-matter coupling of cyclotron transition in monolayer MoS2. Physical Review B, 93(4), 045420-. doi:10.1103/PhysRevB.93.045420
Series/Report no.: Physical Review B
Abstract: The light-matter coupling between cyclotron transition and photon is theoretically investigated in a monolayer MoS2 system with consideration of the influence of electron-hole asymmetry. The results show that ultrastrong light-matter coupling can be achieved at a high filling factor of Landau levels. Furthermore, we show that, in contrast to the case for conventional semiconductor resonators, the MoS2 system shows a vacuum instability. In a monolayer MoS2 resonator, the diamagnetic term can still play an important role in determining magnetopolariton dispersion, which is different from a monolayer graphene system. The diamagnetic term arises from electron-hole asymmetry, which indicates that electron-hole asymmetry can influence the quantum phase transition. Our study provides new insights in cavity-controlled magnetotransport in the MoS2 system, which could lead to the development of polariton-based devices.
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.93.045420
Rights: © 2016 American Physical Society (APS). This paper was published in Physical Review B and is made available as an electronic reprint (preprint) with permission of American Physical Society (APS). The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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