Document Type

Article

Date of Original Version

1-1980

Abstract

Analytic calculations in the Bethe formalism and finite-chain calculations show that the dynamic spin-correlation function in (q, ω)-space of the s=1/2 linear Heisenberg antiferromagnet at T> = 0 in a uniform magnetic field is governed by a double continuum of excitations. Appropriate neutron scattering experiments are expected to show double-peak spectra.

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