The q-Euclidean algebra $U_q(e^N)$ and the corresponding q-Euclidean lattice

Details The q-Euclidean algebra $U_q(e^N)$ and the corresponding q-Euclidean lattice The q-Euclidean algebra $U_q(e^N)$ and the corresponding q-Euclidean lattice

1995-07-01

arxiv.org/abs/q-alg/9506028v2

Physics

High Energy Physics

High Energy Physics - Theory

19pages, latex. transmission error corrected

Scientific paper

10.1142/S0217751X96000390

We review the Euclidean Hopf algebra $U_q(e^N)$ dual of $Fun(\rn_q^N\lcross SO_{q^{-1}}(N))$ and describe its fundamental Hilbert space representations \cite{fioeu}, which turn out to be rather simple `` lattice-regularized '' versions of the classical ones, in the sense that the spectra of squared momentum components are discrete and the corresponding eigenfunctions normalizable.These representations can be regarded as describing a quantum system consisting of one free particle on the quantum Euclidean space. A suitable notion of classical limit is introduced, so that we recover the classical continuous spectra and generalized (non-normalizable) eigenfunctions in that limit.

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