scholarly journals Magnetic interactions in the S = 1/2 square-lattice antiferromagnets Ba2CuTeO6 and Ba2CuWO6: parent phases of a possible spin liquid

2019 ◽  
Vol 55 (8) ◽  
pp. 1132-1135 ◽  
Author(s):  
Otto Mustonen ◽  
Sami Vasala ◽  
Heather Mutch ◽  
Chris I. Thomas ◽  
Gavin B. G. Stenning ◽  
...  
Keyword(s):  
Magnetic Interactions ◽  
Square Lattice ◽  
Spin Liquid ◽  
Double Perovskites

Magnetic interactions in double perovskites Ba2CuTeO6 and Ba2CuWO6 are characterized leading to a prediction of a spin-liquid-like state in Ba2Cu(Te1−xWx)O6.

scholarly journals Spin-liquid-like state in a spin-1/2 square-lattice antiferromagnet perovskite induced by d10–d0 cation mixing

2018 ◽  
Vol 9 (1) ◽  
Author(s):  
O. Mustonen ◽  
S. Vasala ◽  
E. Sadrollahi ◽  
K. P. Schmidt ◽  
C. Baines ◽  
...  
Keyword(s):  
Square Lattice ◽  
Spin Liquid ◽  
Cation Mixing

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

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.

ChemInform Abstract: Magnetic Interactions in the Double Perovskites R2NiMnO6(R: Tb, Ho, Er, Tm) Investigated by Neutron Diffraction.

ChemInform ◽  
2016 ◽  
Vol 47 (4) ◽  
pp. no-no
Author(s):  
Maria Retuerto ◽  
Angel Munoz ◽  
Maria Jesus Martinez-Lope ◽  
Jose Antonio Alonso ◽  
Federico J. Mompean ◽  
...  
Keyword(s):  
Neutron Diffraction ◽  
Magnetic Interactions ◽  
Double Perovskites

scholarly journals Supercooled spin liquid state in the frustrated pyrochlore Dy2Ti2O7

2015 ◽  
Vol 112 (28) ◽  
pp. 8549-8554 ◽  
Author(s):  
Ethan R. Kassner ◽  
Azar B. Eyvazov ◽  
Benjamin Pichler ◽  
Timothy J. S. Munsie ◽  
Hanna A. Dabkowska ◽  
...  
Keyword(s):  
Magnetic Relaxation ◽  
Relaxation Times ◽  
Supercooled Liquid ◽  
Magnetic Interactions ◽  
Spin Liquid ◽  
Strongly Correlated ◽  
Relaxation Rates ◽  
Many Body ◽  
Spin Liquid State ◽  
Theory Lead

A “supercooled” liquid develops when a fluid does not crystallize upon cooling below its ordering temperature. Instead, the microscopic relaxation times diverge so rapidly that, upon further cooling, equilibration eventually becomes impossible and glass formation occurs. Classic supercooled liquids exhibit specific identifiers including microscopic relaxation times diverging on a Vogel–Tammann–Fulcher (VTF) trajectory, a Havriliak–Negami (HN) form for the dielectric function ε(ω,T), and a general Kohlrausch–Williams–Watts (KWW) form for time-domain relaxation. Recently, the pyrochlore Dy2Ti2O7 has become of interest because its frustrated magnetic interactions may, in theory, lead to highly exotic magnetic fluids. However, its true magnetic state at low temperatures has proven very difficult to identify unambiguously. Here, we introduce high-precision, boundary-free magnetization transport techniques based upon toroidal geometries and gain an improved understanding of the time- and frequency-dependent magnetization dynamics of Dy2Ti2O7. We demonstrate a virtually universal HN form for the magnetic susceptibility χ(ω,T), a general KWW form for the real-time magnetic relaxation, and a divergence of the microscopic magnetic relaxation rates with the VTF trajectory. Low-temperature Dy2Ti2O7 therefore exhibits the characteristics of a supercooled magnetic liquid. One implication is that this translationally invariant lattice of strongly correlated spins may be evolving toward an unprecedented magnetic glass state, perhaps due to many-body localization of spin.

scholarly journals SU(3)1 Chiral Spin Liquid on the Square Lattice: A View from Symmetric Projected Entangled Pair States

2020 ◽  
Vol 125 (1) ◽  
Author(s):  
Ji-Yao Chen ◽  
Sylvain Capponi ◽  
Alexander Wietek ◽  
Matthieu Mambrini ◽  
Norbert Schuch ◽  
...  
Keyword(s):  
Square Lattice ◽  
Spin Liquid
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