Extension of the Anderson-Higgs mechanism

Guo-Zhu Liu and Geng Cheng
Phys. Rev. B 65, 132513 – Published 25 March 2002
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Abstract

When free vortices are present in the pseudogap region of underdoped cuprates, it is shown that the conventional Anderson-Higgs mechanism does not work because the Goldstone field is not an analytic function. However, after decomposing the Goldstone field into longitudinal and transverse components, we find that the former can be eliminated by a special gauge transformation and the gauge field becomes massive, but the latter persists in the theory in any case. Thus we obtain an extended Anderson-Higgs mechanism which exhibits completely new physics compared with the conventional one.

  • Received 14 December 2001

DOI:https://doi.org/10.1103/PhysRevB.65.132513

©2002 American Physical Society

Authors & Affiliations

Guo-Zhu Liu1,3,* and Geng Cheng2,3,†

  • 1Structure Research Laboratory, University of Science and Technology of China, Hefei, Anhui, 230026, China
  • 2CCAST (World Laboratory), P.O. Box 8730, Beijing 100080, China
  • 3Department of Astronomy and Applied Physics, University of Science and Technology of China, Hefei, Anhui, 230026, China

  • *Electronic address: gzliu@mail.ustc.edu.cn
  • Electronic address: gcheng@ustc.edu.cn

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Vol. 65, Iss. 13 — 1 April 2002

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