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Nuclear spin-lattice relaxation due to dissipative domain walls |
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| Authors: | A. Villares Ferrer A. O. Caldeira |
| Affiliation: | Departamento de Física da Matéria Condensada, Instituto de Física “Gleb Wataghin”, Universidade Estadual de Campinas, 13083-970, Campinas, SP, Brazil |
| Abstract: | The influence of the dissipative motion of domain walls in the nuclear spin-lattice relaxation rate is studied as a function of the external magnetic field and the temperature. Although only the specific case of the TMMC antiferromagnet below TN is presented, the results are valid for all magnets described within the semiclassical approach by a double sine-Gordon equation for the spin degree of freedom. |
| Keywords: | Quantum magnetism Domain wall dynamics Nuclear magnetic resonance and relaxation |
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