EXCITATION SPECTRUM OF A SUPERCONDUCTING SPHERE IN A SUPERCONDUCTING HOST - EFFECTS OF PHASE FLUCTUATIONS

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/39379

Title:	EXCITATION SPECTRUM OF A SUPERCONDUCTING SPHERE IN A SUPERCONDUCTING HOST - EFFECTS OF PHASE FLUCTUATIONS
Authors:	HUI,PM;STROUD,D
Contributors:	物理研究所
Keywords:	SINGLE-PARTICLE EXCITATIONS;COMPOSITES;DENSITY;STATES
Date:	1991
Issue Date:	2010-07-08 14:14:00 (UTC+8)
Publisher:	中央大學
Abstract:	We consider the excitation spectrum of a superconducting sphere embedded in a superconducting host. The sphere and host are assumed to have order parameters of the same magnitude, but different phases. For finite phase differences, we show that there exist states with energies below the superconducting gap. The energies of these states are studied as a function of the size of the superconducting sphere. We consider implications of these results for optical studies in high-temperature superconductors.
Relation:	PHYSICAL REVIEW B
Appears in Collections:	[Graduate Institute of Physics] journal & Dissertation

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