Identification of Strongly Correlated Spin Liquid in Herbertsmithite
arXiv:1111.0179 · doi:10.1209/0295-5075/97/56001
Abstract
Exotic quantum spin liquid (QSL) is formed with such hypothetic particles as fermionic spinons carrying spin 1/2 and no charge. Here we calculate its thermodynamic and relaxation properties. Our calculations unveil the fundamental properties of QSL, forming strongly correlated Fermi system located at a fermion condensation quantum phase transition. These are in a good agreement with experimental data and allow us to detect the behavior of QSL as that observed in heavy fermion metals. We predict that the thermal resistivity of QSL under the application of magnetic fields at fixed temperature demonstrates a very specific behavior. The key features of our findings are the presence of spin-charge separation and QSL formed with itinerant heavy spinons in herbertsmithite.
6 pages, 8 figures, presentation of the references is corrected
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- Infrared phonons as a probe of a spin-liquid states in herbertsmithite ZnCu3(OH)6Cl2
- Heat transport in magnetic fields by quantum spin liquid in the organic insulators EtMe3Sb[Pd(dmit)2]2 and κ-(BEDT-TTF)2Cu2(CN)3
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- Strongly correlated Fermi systems as a new state of matter
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- Discovering Strongly Correlated Quantum Spin Liquid
- Fermion condensate generates a new state of matter by making flat bands
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