Author： Mihailovic D.
Publisher： Springer Publishing Company
ISSN： 0896-1107
Source： Journal of Superconductivity: Incorporating Novel Magnetism, Vol.12, Iss.1, 1999-02, pp. : 33-36
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Abstract
In the underdoped region of the phase diagram, time-resolved optical experiments on quasiparticle recombination dynamics show that the state is characterized by a temperature independent energy gap E_g which exists at all temperatures and has a magnitude which appears inversely proportional to doping. Close to optimum doping another, collective gap Δ becomes visible simultaneously, which has a BCS-like temperature dependence and closes at T_c.
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