(1+1) Schrodinger Lie bialgebras and their Poisson-Lie groups

Abstract

All Lie bialgebra structures for the (1+1)-dimensional centrally extended Schrodinger algebra are explicitly derived and proved to be of the coboundary type. Therefore, since all of them come from a classical r-matrix, the complete family of Schrodinger Poisson-Lie groups can be deduced by means of the Sklyanin bracket. All possible embeddings of the harmonic oscillator, extended Galilei and gl(2) Lie bialgebras within the Schrodinger classification are studied. As an application, new quantum (Hopf algebra) deformations of the Schrodinger algebra, including their corresponding quantum universal R-matrices, are constructed.

25 pages, LaTeX. Possible applications in relation with integrable systems are pointed; new references added

References in corpus (1)

• Integrable deformations of oscillator chains from quantum algebras

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