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Dynamical correlations of the spin-1/2 Heisenberg XXZ chain in a staggered field

Abstract:

We consider the easy-plane anisotropic spin-1/2 Heisenberg chain in combined uniform longitudinal and transverse staggered magnetic fields. The low-energy limit of his model is described by the sine-Gordon quantum field theory. Using methods of integrable quantum field theory we determine the various components of the dynamical structure factor. To do so, we derive explicit expressions for all matrix elements of the low-energy projections of the spin operators involving at most two particles....

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.79.024402

Authors


Journal:
PHYSICAL REVIEW B
Volume:
79
Issue:
2
Publication date:
2009-01-05
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
URN:
uuid:fd88325e-4f5e-4f36-9657-d44eb95df2ec
Source identifiers:
199323
Local pid:
pubs:199323
Language:
English

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