Parity effect in a small superconducting grain: A rigorous result

Guang Shan Tian; Lei Han TANG

doi:10.1103/PhysRevB.58.12333

Parity effect in a small superconducting grain: A rigorous result

Guang Shan Tian, Lei Han TANG

Department of Physics

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

The parity effect in an ultrasmall superconducting grain is examined. By applying a generalized version of Lieb’s spin-reflection positivity technique, we show rigorously that the parity parameter (Formula presented) is nonvanishing in such a system. A positive lower bound for (Formula presented) is derived.

Original language	English
Pages (from-to)	12333-12337
Number of pages	5
Journal	Physical Review B
Volume	58
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevB.58.12333
Publication status	Published - 1998

Scopus Subject Areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.58.12333

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title = "Parity effect in a small superconducting grain: A rigorous result",

abstract = "The parity effect in an ultrasmall superconducting grain is examined. By applying a generalized version of Lieb{\textquoteright}s spin-reflection positivity technique, we show rigorously that the parity parameter (Formula presented) is nonvanishing in such a system. A positive lower bound for (Formula presented) is derived.",

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AU - TANG, Lei Han

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AB - The parity effect in an ultrasmall superconducting grain is examined. By applying a generalized version of Lieb’s spin-reflection positivity technique, we show rigorously that the parity parameter (Formula presented) is nonvanishing in such a system. A positive lower bound for (Formula presented) is derived.

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Parity effect in a small superconducting grain: A rigorous result

Abstract

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