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Thermodynamic properties of d(x2-y2)+id(xy) superconductor

机译:d(x2-y2)+ id(xy)超导体的热力学性质

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In view of the current interest in d(x2-y2) + id(xy) superconductors some of their thermodynamic properties have been studied to obtain relevant information for experimental verification. The temperature dependence of the specific hear and superfluid density show marked differences in the d(x2-y2) + id(xy) state compared to the pure d-wave state. A second order phase transition is observed on lowering the temperature into a d(x2-y2) + id(xy) state from the d(x2-y2) state with the opening up of a gap all over the Fermi surface. The thermodynamic quantities in the d(x2-y2) + id(xy) state are dominated by this gap as in an s-wave superconductor as opposed to the algebraic temperature dependence in pure-wave states coming from the low energy excitations across the node(s). (C) 2000 Elsevier Science B.V. All rights reserved. [References: 14]
机译:鉴于当前对d(x2-y2)+ id(xy)超导体的关注,已对其一些热力学性质进行了研究,以获得相关的信息以进行实验验证。与纯d波状态相比,特定听音和超流体密度的温度依赖性显示d(x2-y2)+ id(xy)状态存在明显差异。在将温度从d(x2-y2)状态降低到d(x2-y2)+ id(xy)状态的过程中观察到二阶相变,并且在费米表面上都开了一个缝隙。在d(x2-y2)+ id(xy)状态下的热力学量像在s波超导体中一样由该间隙控制,这与来自节点上的低能量激发的纯波状态下的代数温度依赖性相反(s)。 (C)2000 Elsevier Science B.V.保留所有权利。 [参考:14]

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