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Title: Quantum liquid with strong orbital fluctuations: the case of the pyroxene family

Abstract

We discuss quasi one-dimensional magnetic Mott insulators from the pyroxene family where spin and orbital degrees of freedom remain tightly bound. Here, we analyze their excitation spectrum and outline the conditions under which the orbital degrees of freedom become liberated so that the corresponding excitations become dispersive and the spectral weight shifts to energies much smaller than the exchange integral.

Authors:
 [1]; ORCiD logo [2];  [2];  [2]
  1. Northeastern Univ., Boston, MA (United States). Dept. of Physics
  2. Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Div.
Publication Date:
Research Org.:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1574428
Report Number(s):
BNL-212346-2019-JAAM
Journal ID: ISSN 0031-9007; PRLTAO
Grant/Contract Number:  
SC0012704
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 123; Journal Issue: 23; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Feiguin, A E., Tsvelik, Alexei M., Yin, Weiguo, and Bozin, E. S. Quantum liquid with strong orbital fluctuations: the case of the pyroxene family. United States: N. p., 2019. Web. doi:10.1103/PhysRevLett.123.237204.
Feiguin, A E., Tsvelik, Alexei M., Yin, Weiguo, & Bozin, E. S. Quantum liquid with strong orbital fluctuations: the case of the pyroxene family. United States. doi:10.1103/PhysRevLett.123.237204.
Feiguin, A E., Tsvelik, Alexei M., Yin, Weiguo, and Bozin, E. S. Fri . "Quantum liquid with strong orbital fluctuations: the case of the pyroxene family". United States. doi:10.1103/PhysRevLett.123.237204. https://www.osti.gov/servlets/purl/1574428.
@article{osti_1574428,
title = {Quantum liquid with strong orbital fluctuations: the case of the pyroxene family},
author = {Feiguin, A E. and Tsvelik, Alexei M. and Yin, Weiguo and Bozin, E. S.},
abstractNote = {We discuss quasi one-dimensional magnetic Mott insulators from the pyroxene family where spin and orbital degrees of freedom remain tightly bound. Here, we analyze their excitation spectrum and outline the conditions under which the orbital degrees of freedom become liberated so that the corresponding excitations become dispersive and the spectral weight shifts to energies much smaller than the exchange integral.},
doi = {10.1103/PhysRevLett.123.237204},
journal = {Physical Review Letters},
number = 23,
volume = 123,
place = {United States},
year = {2019},
month = {11}
}

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