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The supersymmetric t-J model with a boundary

Abstract:
An open supersymmetric t-J chain with boundary fields is studied by means of the Bethe ansatz. Ground state properties for the case of an almost half-filled band and a bulk magnetic field are determined. Boundary susceptibilities are calculated as functions of the boundary fields. The effects of the boundary on excitations are investigated by constructing the exact boundary S-matrix. From the analytic structure of the boundary S-matrices one deduces that holons can form boundary bound states for sufficiently strong boundary fields.
Publication status:
Published

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Publisher copy:
10.1088/0305-4470/29/19/006

Authors


Essler, FHL More by this author
Journal:
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL
Volume:
29
Issue:
19
Pages:
6183-6203
Publication date:
1996-10-07
DOI:
EISSN:
1361-6447
ISSN:
0305-4470
URN:
uuid:23340666-a10f-47f6-a5e5-3aff8d97b1de
Source identifiers:
199366
Local pid:
pubs:199366
Language:
English

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