Physics – Condensed Matter – Superconductivity
Scientific paper
2007-09-08
Physics
Condensed Matter
Superconductivity
5 pages including one figure. Published online in Europhysics Letters
Scientific paper
10.1209/0295-5075/80/17001
The noncentrosymmetric ClO$_4$ anions of the organic superconductor (TMTSF)$_2$ClO$_4$ order below 24K. The size of domains where the anions are ordered is substantially dependent on the cooling rate which is a key parameter for the stability of the low temperature electronic ground states. We study the effect of the cooling rate on the SC phase within a self consistent approach in the framework of the time dependent Ginzburg-Landau theory taking into account the superconducting fluctuations. We derive the superconducting transition temperature which is found to decrease with increasing cooling rate in agreement with recent experimental data.
Bennaceur Raouf
Charfi-Kaddour Samia
Haddad Salim
Sfar I.
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