scholarly journals Gapless Spin-Liquid Phase in an Extended Spin 1/2 Triangular Heisenberg Model

2014 ◽  
Vol 83 (9) ◽  
pp. 093707 ◽  
Author(s):  
Ryui Kaneko ◽  
Satoshi Morita ◽  
Masatoshi Imada
Keyword(s):  
Liquid Phase ◽  
Heisenberg Model ◽  
Spin Liquid

scholarly journals EVIDENCE OF A SPIN-LIQUID PHASE IN THE FRUSTRATED HONEYCOMB LATTICE

2011 ◽  
Vol 25 (12n13) ◽  
pp. 891-900 ◽  
Author(s):  
D. C. CABRA ◽  
C. A. LAMAS ◽  
H. D. ROSALES
Keyword(s):  
Liquid Phase ◽  
Heisenberg Model ◽  
Short Range ◽  
Intermediate Phase ◽  
Mean Field ◽  
Exact Diagonalization ◽  
Quantum Limit ◽  
Honeycomb Lattice ◽  
Spin Liquid ◽  
Disordered Phase

In the present paper, we present some new data supporting the existence of a spin-disordered phase in the Heisenberg model on the honeycomb lattice with antiferromagnetic interactions up to third neighbors along the line J2 = J3, predicted in Ref. 1. We use the Schwinger boson technique followed by a mean field decoupling and exact diagonalization for small systems to show the existence of an intermediate phase with a spin gap and short range Néel correlations in the strong quantum limit [Formula: see text].

Questions, Controversies and Frustration in Quantum Antiferromagnetism

1991 ◽  
Vol 05 (01n02) ◽  
pp. 171-189 ◽  
Author(s):  
P. Chandra ◽  
P. Coleman ◽  
I. Ritchey
Keyword(s):  
Liquid Phase ◽  
Spin Liquid ◽  
Nematic State ◽  
Recent Developments

The search for a gapless spin liquid phase has raised many issues in quantum antiferromagnetism. Here we review recent developments in this field, and in particular address questions and controversies surrounding a proposed “spin nematic” state.

scholarly journals Synthetic-gauge-field stabilization of the chiral-spin-liquid phase

2016 ◽  
Vol 93 (6) ◽  
Author(s):  
Gang Chen ◽  
Kaden R. A. Hazzard ◽  
Ana Maria Rey ◽  
Michael Hermele
Keyword(s):  
Liquid Phase ◽  
Gauge Field ◽  
Spin Liquid

scholarly journals Nematic spin liquid phase in a frustrated spin-1 system on the square lattice

2019 ◽  
Vol 100 (16) ◽  
Author(s):  
Wen-Jun Hu ◽  
Shou-Shu Gong ◽  
Hsin-Hua Lai ◽  
Haoyu Hu ◽  
Qimiao Si ◽  
...  
Keyword(s):  
Liquid Phase ◽  
Square Lattice ◽  
Spin Liquid ◽  
Frustrated Spin

scholarly journals Elastic constants and ultrasound attenuation in the spin-liquid phase ofCs2CuCl4

2015 ◽  
Vol 91 (4) ◽  
Author(s):  
S. Streib ◽  
P. Kopietz ◽  
P. T. Cong ◽  
B. Wolf ◽  
M. Lang ◽  
...  
Keyword(s):  
Liquid Phase ◽  
Elastic Constants ◽  
Spin Liquid ◽  
Ultrasound Attenuation

THE DISAPPEARANCE OF TWO-DIMENSIONAL LONG RANGE ORDER IN THE HEISENBERG MODEL WITH COMPETING INTERACTIONS

1990 ◽  
Vol 04 (15n16) ◽  
pp. 2319-2333 ◽  
Author(s):  
A. F. BARABANOV ◽  
L. A. MAKSIMOV ◽  
O. A. STARYKH
Keyword(s):  
Long Range ◽  
Heisenberg Model ◽  
Spin Correlation ◽  
Range Order ◽  
Square Lattice ◽  
Spin Excitation ◽  
Spin Liquid ◽  
Long Range Order ◽  
Competing Interactions ◽  
Nearest Neighbours

In the frustrated Heisenberg model with first (J1) and second (J2) nearest neighbours interactions on a square lattice the transition from the long range order state (LROS) to spin liquid state (SLS) is found at α = J1/J2 ≅ 0.25. SLS is characterized by the gap in spin excitation spectrum at T = 0 and, hence, by exponential decay of spin correlation function at large distance. As a result, correlation length is temperature independent in SLS in accordance with neutron experiments on doped La 2 CuO 4.

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