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We propose a generalized description for the kappa-Poincare-Hopf algebra as a symmetry quantum group of underlying kappa-Minkowski spacetime. We investigate all the possible implementations of (deformed) Lorentz algebras which are…

High Energy Physics - Theory · Physics 2012-04-27 D. Kovacevic , S. Meljanac , A. Pachol , R. Strajn

A general deformation of the Heisenberg algebra is introduced with two deformed operators instead of just one. This is generalised to many variables, and permits the simultaneous existence of coherent states, and the transposition of…

High Energy Physics - Theory · Physics 2009-10-22 D. B. Fairlie , J. Nuyts

Starting from deformed quantum Heisenberg Lie algebras some realizations are given in terms of the usual creation and annihilation operators of the standard harmonic oscillator. Then the associated algebra eigenstates are computed and give…

Mathematical Physics · Physics 2007-05-23 Nibaldo Alvarez-Moraga

A 3-parametric two-sided deformation of Heisenberg algebra (HA), with p,q-deformed commutator in the l.h.s. of basic defining relation and certain deformation of its r.h.s., is introduced and studied. The third deformation parameter \mu…

Mathematical Physics · Physics 2012-07-04 A. M. Gavrilik , I. I. Kachurik

We review several procedures of quantization formulated in the framework of (classical) phase space M. These quantization methods consider Quantum Mechanics as a "deformation" of Classical Mechanics by means of the "transformation" of the…

Mathematical Physics · Physics 2007-05-23 Oscar Arratia , Miguel A. Martin , Mariano A. Olmo

We present the first detailed study of the kinematics of free relativistic particles whose symmetries are described by a quantum deformation of the de Sitter algebra, known as $q$-de Sitter Hopf algebra. The quantum deformation parameter is…

General Relativity and Quantum Cosmology · Physics 2016-06-29 Leonardo Barcaroli , Giulia Gubitosi

The $D$-dimensional two-parameter deformed algebra with minimal length introduced by Kempf is generalized to a Lorentz-covariant algebra describing a ($D+1$)-dimensional quantized space-time. For D=3, it includes Snyder algebra as a special…

Quantum Physics · Physics 2008-11-26 C. Quesne , V. M. Tkachuk

In this paper we study quantum group deformations of the infinite dimensional symmetry algebra of asymptotically AdS spacetimes in three dimensions. Building on previous results in the finite dimensional subalgebras we classify all possible…

High Energy Physics - Theory · Physics 2021-12-01 A. Borowiec , J. Kowalski-Glikman , J. Unger

We consider two new classes of twisted D=4 quantum Poincar\'{e} symmetries described as the dual pairs of noncocommutative Hopf algebras. Firstly we investigate a two-parameter class of twisted Poincar\'{e} algebras which provide the…

High Energy Physics - Theory · Physics 2009-11-11 J. Lukierski , M. Woronowicz

New Galilei quantum groups dual to the Hopf algebras proposed in [1] are obtained by the nonrelativistic contraction procedures. The corresponding Lie-algebraic and quadratic quantum space-times are identified with the translation sectors…

High Energy Physics - Theory · Physics 2009-01-27 Marcin Daszkiewicz

By the supersymmetrization of a simple algebraic technique proposed in \cite{LuTo2017} we obtain the complete classification of all basic (nonisomorphic) quantum deformations for the orthosymplectic Lie superalgebra…

High Energy Physics - Theory · Physics 2022-12-01 V. N. Tolstoy

In this paper we provide universal formulas describing Drinfeld-type quantization of inhomogeneous orthogonal groups determined by a metric tensor of an arbitrary signature living in a spacetime of arbitrary dimension. The metric tensor…

Mathematical Physics · Physics 2014-12-04 Andrzej Borowiec , Anna Pachol

A *-product compatible with the comultiplication of the Hopf algebra of the functions on the Heisenberg group is determined by deforming a coboundary Lie-Poisson structure defined by a classical r-matrix satisfying the modified Yang-Baxter…

High Energy Physics - Theory · Physics 2009-10-22 F. Bonechi , R. Giachetti , E. Sorace , M. Tarlini

The $D$-dimensional $(\beta, \beta')$-two-parameter deformed algebra introduced by Kempf is generalized to a Lorentz-covariant algebra describing a ($D+1$)-dimensional quantized space-time. In the D=3 and $\beta=0$ case, the latter…

Quantum Physics · Physics 2011-07-19 C. Quesne , V. M. Tkachuk

Some classes of Deformed Special Relativity (DSR) theories are reconsidered within the Hopf algebraic formulation. For this purpose we shall explore a minimal framework of deformed Weyl-Heisenberg algebras provided by a smash product…

Mathematical Physics · Physics 2010-10-27 Andrzej Borowiec , Anna Pachoł

We establish the correspondence between two apparently unrelated but in fact complementary approaches of a relativistic deformed kinematics: the geometric properties of momentum space and the loss of absolute locality in canonical…

General Relativity and Quantum Cosmology · Physics 2021-04-16 José Manuel Carmona , José Luis Cortés , José Javier Relancio

Attention is focused on quantum spaces of particular importance in physics, i.e. two-dimensional quantum plane, q-deformed Euclidean space in three or four dimensions, and q-deformed Minkowski space. Each of these quantum spaces can be…

High Energy Physics - Theory · Physics 2007-05-23 Hartmut Wachter

The theory of the $\kappa$-deformed Poincare algebra is applied to the analysis of various phenomena in special relativity, quantum mechanics and field theory. The method relies on the development of series expansions in $\kappa^{-1}$ of…

General Relativity and Quantum Cosmology · Physics 2009-11-05 J. P. Bowes , P. D. Jarvis

Recently it was shown that by using two different realizations of $\hat{o}(1,4)$ Lie algebra one can describe one-parameter standard Snyder model and two-parameter $\kappa$-deformed Snyder model. In this paper, by using the generalized Born…

High Energy Physics - Theory · Physics 2024-08-08 Jerzy Lukierski , Anna Pachoł

We show that depending on the direction of deformation of $\kappa$-Poincar\'e algebra (time-like, space-like, or light-like) the associated phase spaces of single particle in Doubly Special Relativity theories have the energy-momentum…

High Energy Physics - Theory · Physics 2009-11-10 A. Blaut , M. Daszkiewicz , J. Kowalski-Glikman , S. Nowak