Statistics of Fractionalized Excitations through Threshold Spectroscopy
Abstract
We show that neutral anyonic excitations have a signature in spectroscopic measurements of materials: The low-energy onset of spectral functions near the threshold follows universal power laws with an exponent that depends only on the statistics of the anyons. This provides a route, using experimental techniques such as neutron scattering and tunneling spectroscopy, for detecting anyonic statistics in topologically ordered states such as gapped quantum spin liquids and hypothesized fractional Chern insulators. Our calculations also explain some recent theoretical results in spin systems.
- Authors:
- Max-Planck-Inst. für Physik komplexer Systeme, Dresden (Germany)
- Technion-Israel Inst. of Tech., Haifa (Israel); Johns Hopkins Univ., Baltimore, MD (United States)
- Max-Planck-Inst. für Physik komplexer Systeme, Dresden (Germany); Technische Univ. Munchen, Garching (Germany)
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States); Stockholm Univ. (Sweden); Arizona State Univ., Tempe, AZ (United States); Shanghai Jiao Tong Univ. (China)
- Publication Date:
- Research Org.:
- Johns Hopkins Univ., Baltimore, MD (United States); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- OSTI Identifier:
- 1505576
- Alternate Identifier(s):
- OSTI ID: 1361005
- Grant/Contract Number:
- FG02-08ER46544; SC0012567; FG02-08-ER46544
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Letters
- Additional Journal Information:
- Journal Volume: 118; Journal Issue: 22; Journal ID: ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Citation Formats
Morampudi, Siddhardh C., Turner, Ari M., Pollmann, Frank, and Wilczek, Frank. Statistics of Fractionalized Excitations through Threshold Spectroscopy. United States: N. p., 2017.
Web. doi:10.1103/physrevlett.118.227201.
Morampudi, Siddhardh C., Turner, Ari M., Pollmann, Frank, & Wilczek, Frank. Statistics of Fractionalized Excitations through Threshold Spectroscopy. United States. doi:10.1103/physrevlett.118.227201.
Morampudi, Siddhardh C., Turner, Ari M., Pollmann, Frank, and Wilczek, Frank. Wed .
"Statistics of Fractionalized Excitations through Threshold Spectroscopy". United States. doi:10.1103/physrevlett.118.227201. https://www.osti.gov/servlets/purl/1505576.
@article{osti_1505576,
title = {Statistics of Fractionalized Excitations through Threshold Spectroscopy},
author = {Morampudi, Siddhardh C. and Turner, Ari M. and Pollmann, Frank and Wilczek, Frank},
abstractNote = {We show that neutral anyonic excitations have a signature in spectroscopic measurements of materials: The low-energy onset of spectral functions near the threshold follows universal power laws with an exponent that depends only on the statistics of the anyons. This provides a route, using experimental techniques such as neutron scattering and tunneling spectroscopy, for detecting anyonic statistics in topologically ordered states such as gapped quantum spin liquids and hypothesized fractional Chern insulators. Our calculations also explain some recent theoretical results in spin systems.},
doi = {10.1103/physrevlett.118.227201},
journal = {Physical Review Letters},
number = 22,
volume = 118,
place = {United States},
year = {2017},
month = {5}
}
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