Nonlinear field theory of large-spin Heisenberg antiferromagnets: Semiclassically quantized solitons of the one-dimensional easy-axis Néel state

F. D.M. Haldane

doi:10.1103/PhysRevLett.50.1153

Nonlinear field theory of large-spin Heisenberg antiferromagnets: Semiclassically quantized solitons of the one-dimensional easy-axis Néel state

F. D.M. Haldane

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Abstract

The continuum field theory describing the low-energy dynamics of the large-spin one-dimensional Heisenberg antiferromagnet is found to be the O(3) nonlinear sigma model. When weak easy-axis anisotropy is present, soliton solutions of the equations of motion are obtained and semiclassically quantized. Integer and half-integer spin systems are distinguished.

Original language	English (US)
Pages (from-to)	1153-1156
Number of pages	4
Journal	Physical review letters
Volume	50
Issue number	15
DOIs	https://doi.org/10.1103/PhysRevLett.50.1153
State	Published - 1983
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.50.1153

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title = "Nonlinear field theory of large-spin Heisenberg antiferromagnets: Semiclassically quantized solitons of the one-dimensional easy-axis N{\'e}el state",

abstract = "The continuum field theory describing the low-energy dynamics of the large-spin one-dimensional Heisenberg antiferromagnet is found to be the O(3) nonlinear sigma model. When weak easy-axis anisotropy is present, soliton solutions of the equations of motion are obtained and semiclassically quantized. Integer and half-integer spin systems are distinguished.",

author = "Haldane, {F. D.M.}",

year = "1983",

doi = "10.1103/PhysRevLett.50.1153",

language = "English (US)",

volume = "50",

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journal = "Physical review letters",

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publisher = "American Physical Society",

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T2 - Semiclassically quantized solitons of the one-dimensional easy-axis Néel state

AU - Haldane, F. D.M.

PY - 1983

Y1 - 1983

N2 - The continuum field theory describing the low-energy dynamics of the large-spin one-dimensional Heisenberg antiferromagnet is found to be the O(3) nonlinear sigma model. When weak easy-axis anisotropy is present, soliton solutions of the equations of motion are obtained and semiclassically quantized. Integer and half-integer spin systems are distinguished.

AB - The continuum field theory describing the low-energy dynamics of the large-spin one-dimensional Heisenberg antiferromagnet is found to be the O(3) nonlinear sigma model. When weak easy-axis anisotropy is present, soliton solutions of the equations of motion are obtained and semiclassically quantized. Integer and half-integer spin systems are distinguished.

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DO - 10.1103/PhysRevLett.50.1153

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Nonlinear field theory of large-spin Heisenberg antiferromagnets: Semiclassically quantized solitons of the one-dimensional easy-axis Néel state

Abstract

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