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Dynamical structure factor in copper benzoate and other spin-1/2 antiferromagnetic chains

Abstract:
Recent experiments of the quasi-one-dimensional spm-1/2 antiferromagnet copper benzoate established the existence of a magnetic field induced gap. The observed neutron scattering intensity exhibits resolution limited peaks at both the antiferromagnetic wave number and at incommensurate wave numbers related to the applied magnetic field. We determine the ratio of spectral weights of these peaks within the framework of a low-energy effective field theory description of the problem.
Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.68.064410

Authors


Journal:
Physical Review B
Volume:
68
Issue:
6
Pages:
644101-644105
Publication date:
2003-08-01
DOI:
EISSN:
1095-3795
ISSN:
1098-0121
Source identifiers:
199342
Language:
English
Pubs id:
pubs:199342
UUID:
uuid:8c4166f6-71f6-4811-a01a-59f3786cdb60
Local pid:
pubs:199342
Deposit date:
2012-12-19

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