Quantum and Thermal Fluctuations in the SU([Formula presented]) Heisenberg Spin-Glass Model near the Quantum Critical Point
We solve for the SU([Formula presented]) Heisenberg spin glass in the limit of large [Formula presented] focusing on small [Formula presented] and [Formula presented]. We study the effect of quantum and thermal fluctuations in the frequency dependent response function and observe interesting transfe...
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| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_00319007_v90_n21_p4_Camjayi |
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todo:paper_00319007_v90_n21_p4_Camjayi2023-10-03T14:43:10Z Quantum and Thermal Fluctuations in the SU([Formula presented]) Heisenberg Spin-Glass Model near the Quantum Critical Point Camjayi, A. Rozenberg, M.J. We solve for the SU([Formula presented]) Heisenberg spin glass in the limit of large [Formula presented] focusing on small [Formula presented] and [Formula presented]. We study the effect of quantum and thermal fluctuations in the frequency dependent response function and observe interesting transfers of spectral weight. We compute the [Formula presented] dependence of the order parameter and the specific heat and find an unusual [Formula presented] behavior for the latter at low temperatures in the spin-glass phase. We find remarkable qualitative agreement with various experiments on the quantum frustrated magnet [Formula presented]. © 2003 The American Physical Society. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00319007_v90_n21_p4_Camjayi |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| description |
We solve for the SU([Formula presented]) Heisenberg spin glass in the limit of large [Formula presented] focusing on small [Formula presented] and [Formula presented]. We study the effect of quantum and thermal fluctuations in the frequency dependent response function and observe interesting transfers of spectral weight. We compute the [Formula presented] dependence of the order parameter and the specific heat and find an unusual [Formula presented] behavior for the latter at low temperatures in the spin-glass phase. We find remarkable qualitative agreement with various experiments on the quantum frustrated magnet [Formula presented]. © 2003 The American Physical Society. |
| format |
JOUR |
| author |
Camjayi, A. Rozenberg, M.J. |
| spellingShingle |
Camjayi, A. Rozenberg, M.J. Quantum and Thermal Fluctuations in the SU([Formula presented]) Heisenberg Spin-Glass Model near the Quantum Critical Point |
| author_facet |
Camjayi, A. Rozenberg, M.J. |
| author_sort |
Camjayi, A. |
| title |
Quantum and Thermal Fluctuations in the SU([Formula presented]) Heisenberg Spin-Glass Model near the Quantum Critical Point |
| title_short |
Quantum and Thermal Fluctuations in the SU([Formula presented]) Heisenberg Spin-Glass Model near the Quantum Critical Point |
| title_full |
Quantum and Thermal Fluctuations in the SU([Formula presented]) Heisenberg Spin-Glass Model near the Quantum Critical Point |
| title_fullStr |
Quantum and Thermal Fluctuations in the SU([Formula presented]) Heisenberg Spin-Glass Model near the Quantum Critical Point |
| title_full_unstemmed |
Quantum and Thermal Fluctuations in the SU([Formula presented]) Heisenberg Spin-Glass Model near the Quantum Critical Point |
| title_sort |
quantum and thermal fluctuations in the su([formula presented]) heisenberg spin-glass model near the quantum critical point |
| url |
http://hdl.handle.net/20.500.12110/paper_00319007_v90_n21_p4_Camjayi |
| work_keys_str_mv |
AT camjayia quantumandthermalfluctuationsinthesuformulapresentedheisenbergspinglassmodelnearthequantumcriticalpoint AT rozenbergmj quantumandthermalfluctuationsinthesuformulapresentedheisenbergspinglassmodelnearthequantumcriticalpoint |
| _version_ |
1782023872419201024 |