Add to ORKGThe nuclear spin relaxation rate 1/T1 is calculated for a two-dimensional quantum Heisenberg antiferromagnet S=1/2 with thermally excited skyrmions at temperatures T≤J , where J is the nearest-neighbor exchange constant. It is found that 1/T1 first exponentially decreases with increasing temperature, passes a minimum at Tmin = 0.67J and then linearly increases before approaching its high-temperature limit. A comparison with calculations for a nonlinear sigma-model without skyrmions and experimental results is given. © 1998 Elsevier Science Ltd. All rights reserved
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Journals published by the American Physical Society can be found at http://journals.aps.org/Skyrmion...
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The nuclear spin-lattice relaxation rate in an antiferromagnetic insulator at low temperature is cal...
Near to filling fraction nu=1, the quantum Hall ferromagnet contains multiple Skyrmion spin excitati...
We study the unitary time evolution of antiferromagnetic order in anisotropic Heisenberg chains that...
The nuclear spin relaxation rate 1/T1 is calculated for a two-dimensional quantum Heisenberg antifer...
In this report we present our study of two-dimensional Heisenberg magnets based on the picture of th...
Quantum consideration of skyrmions and elementary spin excitations in a two-dimensional Heisenberg a...
Nuclear spin relaxation induced by hyperfine coupling is studied theoretically at positive and negat...
Journals published by the American Physical Society can be found at http://journals.aps.org/Skyrmion...
We consider the isotropic S=1 Heisenberg chain with a finite Haldane gap Δ and use state-of-the-art ...
A renormalization-group calculation of the temperature-dependent nuclear spin relaxation rate for a ...
Collapse of a skyrmion due to the discreteness of a crystal lattice in isotropic two-dimensional fer...
The search for new phases of quantum matter is at the heart of modern condensed matter physics, and ...
Proton spin-lattice relaxation times have been measured in the quasi-one-dimensional s = ½ Heisenber...
We have shown that properties of lightly doped quasi-layered cuprates can be described on the basis ...
We use recent developments in the framework of a time-dependent matrix product state method to compu...
The nuclear spin-lattice relaxation rate in an antiferromagnetic insulator at low temperature is cal...
Near to filling fraction nu=1, the quantum Hall ferromagnet contains multiple Skyrmion spin excitati...
We study the unitary time evolution of antiferromagnetic order in anisotropic Heisenberg chains that...