Superfluid Transition in a Chiron Gas

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Low temperature measurements of the magnetic susceptibility of LSCO suggest that the superconducting transition is associated with the disappearance of a vortex liquid. In this note we wish to draw attention to the fact that spin-orbit-like interactions in a poorly conducting layered material can lead to a new type of quantum ground state with spin polarized soliton-like charge carriers as the important quantum degree of freedom. In 2-dimensions these solitons are vortex-like, while in 3-dimensional systems they are monopole-like. In either case there is a natural mechanism for the pairing of spin up and spin down solitons, and we find ... continued below

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12 p. (0.2 MB)

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Chapline, G. F. December 10, 2007.

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Description

Low temperature measurements of the magnetic susceptibility of LSCO suggest that the superconducting transition is associated with the disappearance of a vortex liquid. In this note we wish to draw attention to the fact that spin-orbit-like interactions in a poorly conducting layered material can lead to a new type of quantum ground state with spin polarized soliton-like charge carriers as the important quantum degree of freedom. In 2-dimensions these solitons are vortex-like, while in 3-dimensional systems they are monopole-like. In either case there is a natural mechanism for the pairing of spin up and spin down solitons, and we find that at low temperatures there is a cross-over transition as a function of carrier density between a state where the solitons are free and a condensate state where the spin up and spin down solitons in neighboring layers are paired.

Physical Description

12 p. (0.2 MB)

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PDF-file: 12 pages; size: 0.2 Mbytes

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  • Journal Name: Philsophical Magazine, vol. 88, no. 8, November 3, 2008, pp. 1227-1233; Journal Volume: 88; Journal Issue: 8

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  • Report No.: LLNL-JRNL-400086
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 944320
  • Archival Resource Key: ark:/67531/metadc897384

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  • December 10, 2007

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

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  • April 13, 2017, 4 p.m.

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Chapline, G. F. Superfluid Transition in a Chiron Gas, article, December 10, 2007; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc897384/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.