Please use this identifier to cite or link to this item: https://scholarbank.nus.edu.sg/handle/10635/95683
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dc.titleA Schwinger term in q-deformed su(2) algebra
dc.contributor.authorFujikawa, K.
dc.contributor.authorKubo, H.
dc.contributor.authorOh, C.H.
dc.date.accessioned2014-10-16T09:14:36Z
dc.date.available2014-10-16T09:14:36Z
dc.date.issued1997-02-28
dc.identifier.citationFujikawa, K.,Kubo, H.,Oh, C.H. (1997-02-28). A Schwinger term in q-deformed su(2) algebra. Modern Physics Letters A 12 (6) : 403-409. ScholarBank@NUS Repository.
dc.identifier.issn02177323
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/95683
dc.description.abstractAn extra term generally appears in the q-deformed su(2) algebra for the deformation parameter q = exp 2πiθ, if one combines the Biedenharn-Macfarlane construction of q-deformed su(2), which is a generalization of Schwinger's construction of conventional su(2), with the representation of the q-deformed oscillator algebra which is manifestly free of negative norm. This extra term introduced by the requirement of positive norm is analogous to the Schwinger term in current algebra. Implications of this extra term on the Bloch electron problem analyzed by Wiegmann and Zabrodin are briefly discussed.
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.sourcetitleModern Physics Letters A
dc.description.volume12
dc.description.issue6
dc.description.page403-409
dc.description.codenMPLAE
dc.identifier.isiutNOT_IN_WOS
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