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Configuration space in electron glasses
dc.contributor.author | Pérez Garrido, Antonio | |
dc.contributor.author | Ortuño Ortín, Miguel | |
dc.contributor.author | Díaz Sánchez, Anastasio | |
dc.date.accessioned | 2009-01-07T13:08:08Z | |
dc.date.available | 2009-01-07T13:08:08Z | |
dc.date.issued | 2001-02 | |
dc.identifier.citation | PÉREZ GARRIDO, A., ORTUÑO, M., SOMOZA, A.M., DÍAZ SÁNCHEZ, A. Configuration space in electron glasses. Philosophical Magazine, 81 (2): 151-162, Febrero 2001. ISSN 1478-6443 | es |
dc.identifier.issn | 1478-6443 | |
dc.description.abstract | We study numerically the configuration space at low energy of electron glasses. We consider systems with Coulomb interactions, short–range interactions and no interactions. First, we calculate the integrated density of configurations as a function of energy. At a given energy, this density is smaller for Coulomb glasses than for short-range systems, which in turn is smaller than for non– interacting systems. We analyze how the site occupancy varies with the number of configurations. Through this study we estimate the number of particles involved in a typical low–energy transition between configurations. This number increases with system size for long range interactions, while it is basically constant for a short-range interaction. Finally we calculate the density of metastable configurations, i.e. valleys, classified according to their degree of stability. | es |
dc.description.sponsorship | We thank Prof. M. Pollak for useful discussions. We would like to acknowledge financial support from the Spanish DGES, project numbers PB96-1118 and PB96- 1120, and lak and Mfrom the Fundación Séneca, Región de Murcia. A.P.G acknowledges CajaMurcia for a grant. | es |
dc.format | application/pdf | |
dc.language.iso | eng | es |
dc.publisher | Taylor & Francis | es |
dc.rights | Philosophical Magazine está disponible online en http://www.informaworld.com | es |
dc.title | Configuration space in electron glasses | es |
dc.type | info:eu-repo/semantics/article | es |
dc.subject.other | Física Aplicada | es |
dc.subject | Cristales de electrónes | es |
dc.subject | Cristales Coulomb | es |
dc.subject | Configuración de espacios | es |
dc.subject | Temperatura | es |
dc.subject | Interacciones Coulomb | es |
dc.subject | Energía | es |
dc.subject | Crystals of electrons | |
dc.subject | Coulomb Crystals | |
dc.subject | Configuration space | |
dc.subject | Temperature | |
dc.subject | Coulomb interactions | |
dc.subject | Energy | |
dc.identifier.uri | http://hdl.handle.net/10317/630 |
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