http://www.cnr.it/ontology/cnr/individuo/prodotto/ID1584
Space-time dispersion of graphene conductivity (Articolo in rivista)
- Type
- Label
- Space-time dispersion of graphene conductivity (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1140/epjb/e2007-00142-3 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Falkovsky L.A.; Varlamov A.A. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- LD Landau Theoret Phys Inst, Moscow 117334, Russia; Inst High Pressure Phys, Troitsk 142190, Russia; CNR, COHERENTIA, INFM, I-00133 Rome, Italy (literal)
- Titolo
- Space-time dispersion of graphene conductivity (literal)
- Abstract
- We present an analytic calculation of the conductivity of pure graphene as a function of frequency omega, wave-vector k, and temperature for the range where the energies related to all these parameters are small in comparison with the band parameter gamma similar or equal to 3 eV, but much larger than the collision rate tau(-1). The simple asymptotic expressions are given in various limiting cases. For instance, the conductivity for kv(0) << T << omega is equal to sigma(omega,k)=e(2)/4 (h) over bar and independent of the and structure parameters gamma and nu(0). Our results are also used to explain the known dependence of the graphite conductivity on temperature and pressure. (literal)
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