Volume 86, Number 4, May 2009
|Number of page(s)||5|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||04 June 2009|
Nernst-Ettingshausen effect in two-component electronic liquids
COHERENTIA-INFM, CNR - Viale del Politecnico 1, I-00133 Rome, Italy, EU
2 Dipartimento di Fisica, Università “Tor Vergata" - Via della Ricerca Scientifica, I-00133 Rome, Italy, EU
3 Physics and Astronomy School, University of Southhampton - Highfield, Southampton, SO171BJ, UK, EU
Corresponding author: firstname.lastname@example.org
Accepted: 4 May 2009
A simple model describing the Nernst-Ettingshausen effect (NEE) in two-component electronic liquids is formulated. The examples considered include graphite, where the normal and Dirac fermions coexist, superconductor in fluctuating regime, with coexisting Cooper pairs and normal electrons, and the inter-stellar plasma of electrons and protons. We give a general expression for the Nernst constant and show that the origin of a giant NEE is in the strong dependence of the chemical potential on temperature in all cases.
PACS: 74.40.+k – Fluctuations (noise, chaos, nonequilibrium superconductivity, localization, etc.) / 72.15.Jf – Thermoelectric and thermomagnetic effects / 74.25.Fy – Transport properties (electric and thermal conductivity, thermoelectric effects, etc.)
© EPLA, 2009
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