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We show that the realizations of noncommutative coordinates that are linear in the Lorentz generators form a closed Lie algebra under certain conditions. The star product and the coproduct for the momentum generators are obtained for these…

High Energy Physics - Theory · Physics 2017-11-15 Daniel Meljanac , Stjepan Meljanac , Danijel Pikutić , Kumar S. Gupta

Basic idea presented in Parts (I) and (II) for the deformed boson scheme is applied to the case of the su(2,1)-algebra for describing many-body systems consisting of three kinds of boson operators. A possible form of the coherent state for…

Nuclear Theory · Physics 2007-05-23 A. Kuriyama , C. Providencia , J. da Providencia , Y. Tsue , M. Yamamura

Within the framework of the q-deformed Heisenberg algebra a dynamical equation of q-deformed quantum mechanics is discussed. The perturbative aspects of the q-deformed Schr\"odinger equation are analyzed. General representations of the…

High Energy Physics - Theory · Physics 2009-01-07 Jian-zu Zhang , Per Osland

In this paper, the quantization and generalized uncertainty relation for some quantum deformed algebras are investigated. For several deformed algebras, the commutation relation between the position and the momentum operator is shown to be…

Quantum Physics · Physics 2015-03-13 Won Sang Chung

We describe generally deformed Heisenberg algebras in one dimension. The condition for a generalized Leibniz rule is obtained and solved. We analyze conditions under which deformed quantum-mechanical problems have a Fock-space…

High Energy Physics - Theory · Physics 2011-07-19 Velimir Bardek , Stjepan Meljanac

We present an algebraic method to derive the structure at the basis of the mapping of bosonic algebras of creation and annihilation operators into fermionic algebras, and vice versa, introducing a suitable identification between bosonic and…

High Energy Physics - Theory · Physics 2024-12-10 F. Lingua , D. M. Peñafiel , L. Ravera , S. Salgado

q-Deformed harmonic oscillator algebra for real and root of unity values of the deformation parameter is discussed by using an extension of the number concept proposed by Gauss, namely the Q-numbers. A study of the reducibility of the Fock…

Quantum Algebra · Mathematics 2007-05-23 D. Galetti , J. T. Lunardi , B. M. Pimentel , M. Ruzzi

Two-forms in Minkowski space-time may be considered as generators of Lorentz transformations. Here, the covariant and general expression for the composition law (Baker-Campbell-Hausdorff formula) of two Lorentz transformations in terms of…

General Relativity and Quantum Cosmology · Physics 2015-06-25 B. Coll , F. San Jose Martinez

We recall the relation between the Lie superalgebra $osp(1/2n)$ and para-Bose operators. The quantum superalgebra $U_q[osp(1/2n)]$, defined as usual in terms of its Chevalley generators, is shown to be isomorphic to an associative algebra…

q-alg · Mathematics 2009-10-28 T. D. Palev , J. Van der Jeugt

The $q$-deformed Bannai-Ito algebra was recently constructed in the threefold tensor product of the quantum superalgebra $\mathfrak{osp}_q(1\vert 2)$. It turned out to be isomorphic to the Askey-Wilson algebra. In the present paper these…

Quantum Algebra · Mathematics 2019-10-02 Hendrik De Bie , Hadewijch De Clercq , Wouter van de Vijver

The notion of quantum algebras is merged with that of Lie systems in order to establish a new formalism called Poisson-Hopf algebra deformations of Lie systems. The procedure can be naturally applied to Lie systems endowed with a symplectic…

Mathematical Physics · Physics 2021-01-28 Eduardo Fernandez-Saiz

An approach for $q$-deformed Bogoliubov transformations is presented. Assuming a left-right module action together with an *-operation and deformed commutation relations, we construct a q-deformation of the nonlinear Bogoliubov…

High Energy Physics - Theory · Physics 2018-01-10 Ivan Arraut , Carlos Segovia

The quantum algebra suq(2) is introduced as a deformation of the ordinary Lie algebra su(2). This is achieved in a simple way by making use of $q$-bosons. In connection with the quantum algebra suq(2), we discuss the q-analogues of the…

Chemical Physics · Physics 2007-05-23 Maurice Kibler , Tidjani Négadi

In this letter we derive a deformed Dirac equation invariant under the k-Poincare` quantum algebra. A peculiar feature is that the square of the k-Dirac operator is related to the second Casimir (the k-deformed squared Pauli-Lubanski…

High Energy Physics - Theory · Physics 2009-10-22 Anatol Nowicki , Emanuele Sorace , Marco Tarlini

A quantum deformation of 4-dimensional superconformal algebra realized on quantum superspace is investigated. We study the differential calculus and the action of the quantum generators corresponding to $sl_q(1|4)$ which act on the quantum…

High Energy Physics - Theory · Physics 2009-10-22 Tatsuo Kobayashi , Tsuneo Uematsu

The algebra of observables of $SO_{q}(3)$-symmetric quantum mechanics is extended to include the inverse $\frac{1}{R}$ of the radial coordinate and used to obtain eigenvalues and eigenfunctions of a \q-deformed Coulomb Hamiltonian.

High Energy Physics - Theory · Physics 2011-07-19 J. Feigenbaum , P. G. O. Freund

The boson representation of the sp(4,R) algebra and two distinct deformations of it, are considered, as well as the compact and noncompact subalgebras of each. The initial as well as the deformed representations act in the same Fock space.…

Mathematical Physics · Physics 2009-10-31 J. P. Draayer , A. I. Georgieva , M. I. Ivanov

We will introduce an associative (or quantum) version of Poisson structure tensors. This object is defined as an operator satisfying a "generalized" Rota-Baxter identity of weight zero. Such operators are called generalized Rota-Baxter…

Quantum Algebra · Mathematics 2009-11-13 Kyousuke Uchino

The unified $ (p,q; \alpha,\gamma, l)$-deformation of a number of well-known deformed oscillator algebras is introduced.The deformation is constructed by imputing new free parameters into the structure functions and by generalizing the…

Mathematical Physics · Physics 2015-06-17 I. M. Burban

The observation that $n$ pairs of para-Bose (pB) operators generate the universal enveloping algebra of the orthosymplectic Lie superalgebra $osp(1/2n)$ is used in order to define deformed pB operators. It is shown that these operators are…

High Energy Physics - Theory · Physics 2007-05-23 T. D. Palev