Mobile Vacancies in a Quantum Heisenberg Antiferromagnet

Boris I. Shraiman and Eric D. Siggia
Phys. Rev. Lett. 61, 467 – Published 25 July 1988
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Abstract

The ground state of a quantum vacancy in a 2D antiferromagnet is found to involve a long-range dipolar distortion of the staggered magnetization. An effective Hamiltonian of vacancies interacting with long-wavelength spin waves is derived. The implications for the anitferromagnetic long-range order are discussed.

  • Received 5 February 1988

DOI:https://doi.org/10.1103/PhysRevLett.61.467

©1988 American Physical Society

Authors & Affiliations

Boris I. Shraiman

  • AT&T Bell Laboratories, Murray Hill, New Jersey 07974

Eric D. Siggia

  • Department of Physics, Cornell University, Ithaca, New York 14853

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Issue

Vol. 61, Iss. 4 — 25 July 1988

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