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Title: Nematic spin liquid phase in a frustrated spin-1 system on the square lattice

Abstract

Frustration in quantum spin systems promote a variety of novel quantum phases. An important example is the frustrated spin-1 model on the square lattice with the nearest-neighbor bilinear ($$J_1$$) and biquadratic ($$K_1$$) interactions. Here we provide strong evidence for a nematic spin liquid phase in a range of $$K_1/J_1$$ near the SU(3)-symmetric point ($$J_1 = K_1$$), based on the linear flavor-wave theory and extensive density matrix renormalization group calculation. This phase displays no spin dipolar or quadrupolar order, preserves translational symmetry but spontaneously breaks $$C_4$$ lattice rotational symmetry, and possesses fluctuations peaked at the wave vector (π, 2π/3) . The spin excitation gap drops rapidly with system size and appears to be gapless, and the nematic order is attributed to the dominant (π, 2π/3) fluctuations. Our results provide a novel mechanism for electronic nematic order and, more generally, open up a new avenue to explore frustration-induced exotic ground states.

Authors:
 [1]; ORCiD logo [2];  [1];  [1];  [1];  [1]
  1. Rice Univ., Houston, TX (United States)
  2. Beihang University, Beijing (China)
Publication Date:
Research Org.:
Rice Univ., Houston, TX (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF); Robert A. Welch Foundation; Research Corporation for Science Advancement; National Natural Science Foundation of China (NSFC); Fundamental Research Funds for the Central Universities; State of Florida; Rice University; Sun Microsystems; Sigma Solutions, Inc.
OSTI Identifier:
1803293
Grant/Contract Number:  
SC0018197; DMR-1350237; C-1411; 11874078; 11834014; DMR-1157490; C-1818; EIA-0216467; CNS-1338099; DMR160057
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. B
Additional Journal Information:
Journal Volume: 100; Journal Issue: 16; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; Materials Science; Physics

Citation Formats

Hu, Wen-Jun, Gong, Shou-Shu, Lai, Hsin-Hua, Hu, Haoyu, Si, Qimiao, and Nevidomskyy, Andriy H. Nematic spin liquid phase in a frustrated spin-1 system on the square lattice. United States: N. p., 2019. Web. doi:10.1103/physrevb.100.165142.
Hu, Wen-Jun, Gong, Shou-Shu, Lai, Hsin-Hua, Hu, Haoyu, Si, Qimiao, & Nevidomskyy, Andriy H. Nematic spin liquid phase in a frustrated spin-1 system on the square lattice. United States. https://doi.org/10.1103/physrevb.100.165142
Hu, Wen-Jun, Gong, Shou-Shu, Lai, Hsin-Hua, Hu, Haoyu, Si, Qimiao, and Nevidomskyy, Andriy H. Mon . "Nematic spin liquid phase in a frustrated spin-1 system on the square lattice". United States. https://doi.org/10.1103/physrevb.100.165142. https://www.osti.gov/servlets/purl/1803293.
@article{osti_1803293,
title = {Nematic spin liquid phase in a frustrated spin-1 system on the square lattice},
author = {Hu, Wen-Jun and Gong, Shou-Shu and Lai, Hsin-Hua and Hu, Haoyu and Si, Qimiao and Nevidomskyy, Andriy H.},
abstractNote = {Frustration in quantum spin systems promote a variety of novel quantum phases. An important example is the frustrated spin-1 model on the square lattice with the nearest-neighbor bilinear ($J_1$) and biquadratic ($K_1$) interactions. Here we provide strong evidence for a nematic spin liquid phase in a range of $K_1/J_1$ near the SU(3)-symmetric point ($J_1 = K_1$), based on the linear flavor-wave theory and extensive density matrix renormalization group calculation. This phase displays no spin dipolar or quadrupolar order, preserves translational symmetry but spontaneously breaks $C_4$ lattice rotational symmetry, and possesses fluctuations peaked at the wave vector (π, 2π/3) . The spin excitation gap drops rapidly with system size and appears to be gapless, and the nematic order is attributed to the dominant (π, 2π/3) fluctuations. Our results provide a novel mechanism for electronic nematic order and, more generally, open up a new avenue to explore frustration-induced exotic ground states.},
doi = {10.1103/physrevb.100.165142},
journal = {Physical Review. B},
number = 16,
volume = 100,
place = {United States},
year = {Mon Oct 28 00:00:00 EDT 2019},
month = {Mon Oct 28 00:00:00 EDT 2019}
}

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