Journal article

Signatures of fractional statistics in nonlinear pump-probe spectroscopy

Abstract:: We show that the presence of anyons in the excitation spectrum of a two-dimensional system can be inferred from nonlinear spectroscopic quantities. In particular, we consider pump-probe spectroscopy, where a sample is irradiated by two light pulses with an adjustable time delay between them. The relevant response coefficient exhibits a universal form that originates from the statistical phase acquired when anyons created by the first pulse braid around those created by the second. This behavior is shown to be qualitatively unchanged by nonuniversal physics including nonstatistical interactions and small nonzero temperatures. In magnetic systems, the signal of interest can be measured using currently available terahertz-domain probes, highlighting the potential usefulness of nonlinear spectroscopic techniques in the search for quantum spin liquids.

Publication status:: Published

Peer review status:: Peer reviewed

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APA Style

McGinley, M., Fava, M., & Parameswaran, S. A. (2024). Signatures of fractional statistics in nonlinear pump-probe spectroscopy. Physical Review Letters, 132(6).

MLA Style

McGinley, M., et al. “Signatures of Fractional Statistics in Nonlinear Pump-Probe Spectroscopy.” Physical Review Letters, vol. 132, no. 6, American Physical Society, 2024.

Chicago Style

McGinley, M, M Fava, and SA Parameswaran. 2024. “Signatures of Fractional Statistics in Nonlinear Pump-Probe Spectroscopy.” Physical Review Letters 132 (6).
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Files:: McGinley_et_al_2024_Signatures_of_fractional.pdf

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Publisher copy:: 10.1103/PhysRevLett.132.066702

Authors

+ McGinley, M More by this author

Institution:: University of Oxford
Division:: MPLS
Department:: Physics
Sub department:: Theoretical Physics
Role:: Author
ORCID:: 0000-0003-3122-2207

+ Fava, M More by this author

Institution:: University of Oxford
Division:: MPLS
Department:: Physics
Sub department:: Theoretical Physics
Role:: Author
ORCID:: 0000-0002-9583-618X

+ Parameswaran, SA More by this author

Institution:: University of Oxford
Division:: MPLS
Department:: Physics
Sub department:: Theoretical Physics
Oxford college:: Hertford College
Role:: Author
ORCID:: 0000-0002-5055-5528

Publisher:: American Physical Society
Journal:: Physical Review Letters More from this journal
Volume:: 132
Issue:: 6
Article number:: 066702
Publication date:: 2024-02-06
Acceptance date:: 2024-01-04
DOI:: 10.1103/PhysRevLett.132.066702
EISSN:: 1079-7114
ISSN:: 0031-9007

Language:: English
Keywords:: quantum spin liquid

electron spin resonance

pump-probe spectroscopy

anyons

topological phases of matter
Pubs id:: 1300569
Local pid:: pubs:1300569
Deposit date:: 2024-01-20

Terms of use

Copyright holder:: McGinley et al.
Copyright date:: 2024
Rights statement:: © 2024 The Author(s). Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

Licence:: CC Attribution (CC BY)

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