Cited by 11Advanced Condensed Matter PhysicsMagnetic properties of thin filmsTheoretical and Computational Physics

The equation of motion for a spin vortex and geometric force

Open access
Kuratsuji, Hiroshi, Yabu, Hiroyuki·1996·Journal of Physics A: Mathematical and General

Abstract

The Hamiltonian equation of motion is studied for a vortex occurring in a two-dimensional Heisenberg ferromagnet of anisotropic type by starting with the effective action for the spin field formulated by the Bloch (or spin) coherent state. The resultant equation shows the existence of a geometric force that is analogous to the so-called Magnus force in superfluids. This specific force plays a significant role in the quantum dynamics of a single vortex, for example the determination of the bound state of the vortex trapped by a pinning force arising from the interaction of the vortex with an impurity.

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Integrity signals

Registry

Crossref · 10.1088/0305-4470/29/20/008

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  • In the momentum representation, the spin-orbit interaction of light acquires the same form as the spin-orbit interaction of electrons stemming from the Dirac equation.

    “In such representation, the spin-orbit interaction of light, Eq. (3.16), acquires the same form as the spin-orbit interaction of electrons stemming from the Dirac equation [29,32,54,81 -83].”

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Cites

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Research works printed but not linked: 2

  1. Lamb H 1932 Hydrodynamics (Cambridge: Cambridge University Press)
  2. Inomata A, Kuratsuji H and Gerry C 1992 Path Integrals and Coherent States of SU(2) and SU(1,1) (Singapore: World Scientific)

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Authors
Kuratsuji, H., & Yabu, H.
Affiliations
  • Ritsumeikan University (JP)
  • Tokyo Metropolitan University (JP)
Venue
Journal of Physics A: Mathematical and General
Published
1996-10-21
Volume
29
Issue
20
Pages
6505-6513
ISSN
  • 0305-4470 (ISSN-L)
  • 1361-6447
OpenAlex
W1996993682
Cited by
11
References
12
Citations by year
2021: 1 · 2012: 1
FWCI
0.91
Type
journal article
Language
en
Open access
Locations
  • Journal of Physics A Mathematical and General (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • arXiv (Cornell University)
Topics
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Advanced Condensed Matter Physics
  • Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Magnetic properties of thin films
  • Physical Sciences › Physics and Astronomy › Condensed Matter Physics › Theoretical and Computational Physics
Keywords
Magnus force, Heisenberg ferromagnet, anisotropic ferromagnets, effective action, vortex dynamics, flux pinning, two-dimensional spin systems

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