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Dynamical spin response of doped two-leg Hubbard-like ladders

Abstract:

We study the dynamical spin response of doped two-leg Hubbard-like ladders in the framework of a low-energy effective field theory description given by the SO(6) Gross-Neveu model. Using the integrability of the SO(6) Gross-Neveu model, we derive the low energy dynamical magnetic susceptibility. The susceptibility is characterized by an incommensurate coherent mode near (π,π) and by broad two excitation scattering continua at other k -points. In our computation we are able to estimate the rel...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.75.144403

Authors


Essler, FHL More by this author
Journal:
PHYSICAL REVIEW B
Volume:
75
Issue:
14
Publication date:
2007-04-05
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
URN:
uuid:fb38fae0-ed3d-4330-acae-20262b3e0260
Source identifiers:
199331
Local pid:
pubs:199331
Language:
English

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