Moiré Pattern of Interference Dislocations and Superfluidity in Condensate of Indirect Excitons

J.R. Leonard; Lunhui Hu; A.A. High; A.T. Hammack; Congjun Wu; L.V. Butov; K.L. Campman; A.C. Gossard

doi:10.1364/CLEO_QELS.2021.FW2Q.2

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper FW2Q.2
•https://doi.org/10.1364/CLEO_QELS.2021.FW2Q.2

Moiré Pattern of Interference Dislocations and Superfluidity in Condensate of Indirect Excitons

J.R. Leonard, Lunhui Hu, A.A. High, A.T. Hammack, Congjun Wu, L.V. Butov, K.L. Campman, and A.C. Gossard

CLEO: QELS_Fundamental Science 2021

San Jose, California United States
9–14 May 2021
ISBN: 978-1-943580-91-0

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Novel Spectroscopy Techniques Developed for Materials Research (FW2Q)

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J. R. Leonard, L. Hu, A. A. High, A. T. Hammack, C. Wu, L. V. Butov, K. L. Campman, and A. C. Gossard, "Moiré Pattern of Interference Dislocations and Superfluidity in Condensate of Indirect Excitons," in Conference on Lasers and Electro-Optics, J. Kang, S. Tomasulo, I. Ilev, D. Müller, N. Litchinitser, S. Polyakov, V. Podolskiy, J. Nunn, C. Dorrer, T. Fortier, Q. Gan, and C. Saraceno, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper FW2Q.2.

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Abstract

We present a new mechanism, the moiré effect, which leads to the appearance of dislocations in interference patterns. Remote interference dislocations in condensate of indirect excitons originate from the moiré effect and evidence exciton superfluidity.

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