Dielectric susceptibility of the Coulomb-glass
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URI: http://hdl.handle.net/10317/578URI: http://arxiv.org/abs/cond-mat/9902145
ISSN: 1550-235X
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Díaz Sánchez, Anastasio; Ortuño Ortín, Miguel; Pollak, Michael; Pérez Garrido, Antonio; Arnulf, MöbiusÁrea de conocimiento
Física AplicadaPatrocinadores
We acknowledge financial support from the DGES project number PB96-1118, SMWK, and DFG (SFB 393). A great part of this work was performed during A. D.-S.’s visit at the IFW Dresden; A. D.-S. thanks the IFW for its hospitality.Fecha de publicación
1999Editorial
American Physical SocietyCita bibliográfica
DÍAZ SÁNCHEZ, A. et al. Dielectric susceptibility of the Coulomb-glass. Physical Review B, 59: 910-914, 1999. ISSN 1550-235XPalabras clave
Cristales CoulombSusceptibilidad electrica
Resumen
We derive a microscopic expression for the dielectric susceptibility X of a Coulomb glass, which corresponds to the definition used in classical electrodynamics,
the derivative of the polarization with respect to the electric field. The fluctuation–dissipation theorem tells us that is a function of the thermal fluctuations of the dipole moment of the system. We calculate X numerically for three–dimensional Coulomb glasses as a function of temperature
and frequency.
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