FIZIKA B 2 (1993) 2,  99-106

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ON TWO-PARAMETER DEFORMATIONS OF SU(1,1) ALGEBRA AND ASSOCIATED SPIN CHAINS

STJEPAN MELJANAC
Ruđer Bošković Institute, Bijenička c. 54, 41001 Zagreb, Croatia
and
MARIJAN MILEKOVIĆ
Faculty of Science, Department of Theoretical Physics,
Bijenička c. 32, 41000 Zagreb, Croatia

Received 12 February 1993

Using Fadeev-Reshetikhin-Takhtajan procedure, we analyse conditions under which two ``quantum'' SU(1,1) superalgebras are isomorphic as Hopf algebras. In the light of this results we discuss spin chains invariant under multiparameter SU(1,1).

UDC 53.01:512
Copyright by The Croatian Physical Society
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