“…In this situation, N can be defined in terms of A + and A − by using the Casimir (4.22). In general, this type of non-standard deformed bosons can be expected to build up q-boson realizations of the already known non-standard quantum algebras [17,18].…”
Section: Determine a Hopf Algebra (Denoted By U (N)mentioning
All coboundary Lie bialgebras and their corresponding Poisson-Lie structures are constructed for the oscillator algebra generated by {N, A + , A − , M }. Quantum oscillator algebras are derived from these bialgebras by using the Lyakhovsky and Mudrov formalism and, for some cases, quantizations at both algebra and group levels are obtained, including their universal R-matrices.
“…In this situation, N can be defined in terms of A + and A − by using the Casimir (4.22). In general, this type of non-standard deformed bosons can be expected to build up q-boson realizations of the already known non-standard quantum algebras [17,18].…”
Section: Determine a Hopf Algebra (Denoted By U (N)mentioning
All coboundary Lie bialgebras and their corresponding Poisson-Lie structures are constructed for the oscillator algebra generated by {N, A + , A − , M }. Quantum oscillator algebras are derived from these bialgebras by using the Lyakhovsky and Mudrov formalism and, for some cases, quantizations at both algebra and group levels are obtained, including their universal R-matrices.
“…In the limit α → 0 we obtain for the R-matrix (5.30) We add that the Jordanian deformation has been described as well in a deformed sl(2; R) algebra basis [47][48][49].…”
Section: Explicit Isomorphism Between Su(1 1) and Sl(2; R) Bialgebramentioning
Using the isomorphism o(3; C) sl(2; C) we develop a new simple algebraic technique for complete classification of quantum deformations (the classical r -matrices) for real forms o(3) and o(2, 1) of the complex Lie algebra o(3; C) in terms of real forms of sl(2; C): su(2), su(1, 1) and sl(2; R). We prove that the D = 3 Lorentz symmetry o(2, 1) su(1, 1) sl(2; R) has three different Hopfalgebraic quantum deformations, which are expressed in the simplest way by two standard su(1, 1) and sl(2; R) qanalogs and by simple Jordanian sl(2; R) twist deformation. These quantizations are presented in terms of the quantum Cartan-Weyl generators for the quantized algebras su(1, 1) and sl(2; R) as well as in terms of quantum Cartesian generators for the quantized algebra o(2, 1). Finally, some applications of the deformed D = 3 Lorentz symmetry are mentioned.
“…The proof is based on the fact that, for any choice of the function H, the Hamiltonian H (N ) z has a deformed Poisson coalgebra symmetry, sl z (2, R), coming (under a certain symplectic realization) from the non-standard quantum deformation of sl(2, R) [38,39] where z is the deformation parameter (q = e z ). If we perform the limit z → 0 in all the results given in Theorem 2, we shall exactly recover Theorem 1.…”
Abstract. An infinite family of quasi-maximally superintegrable Hamiltonians with a common set of (2N − 3) integrals of the motion is introduced. The integrability properties of all these Hamiltonians are shown to be a consequence of a hidden non-standard quantum sl(2, R) Poisson coalgebra symmetry. As a concrete application, one of this Hamiltonians is shown to generate the geodesic motion on certain manifolds with a non-constant curvature that turns out to be a function of the deformation parameter z. Moreover, another Hamiltonian in this family is shown to generate geodesic motions on Riemannian and relativistic spaces all of whose sectional curvatures are constant and equal to the deformation parameter z. This approach can be generalized to arbitrary dimension by making use of coalgebra symmetry.
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