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Related papers: Kappa-Deformed Phase Space and Uncertainty Relatio…

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We construct an complex scalar field theory in $\kappa$-Minkowksi spacetime, which respects $\kappa$-deformed Poincar\'e symmetry. One-loop calculation shows that the theory is finite and needs finite renormalization to be compatible with…

High Energy Physics - Theory · Physics 2008-02-27 Chaiho Rim

Recent work showed that $\kappa$-deformations can describe the quantum deformation of several relativistic models that have been proposed in the context of quantum gravity phenomenology. Starting from the Poincar\'e algebra of…

General Relativity and Quantum Cosmology · Physics 2022-02-01 Angel Ballesteros , Giulia Gubitosi , Flavio Mercati

The non-commutative geometry offers an effective framework for describing physics at the Planck scale, incorporating generic quantum-gravitational effects through an intrinsic minimal length and the $\kappa$-deformed space-time stands out…

High Energy Physics - Theory · Physics 2025-11-17 Vishnu Rajagopal , Puxun Wu

The general framework of bicrossproduct Hopf algebras given by Majid is extended to $Z_2$-graded bicrossproduct Hopf superalgebras. As examples of bicrossproduct Hopf superalgebras we provide the graded algebras of functions on undeformed…

q-alg · Mathematics 2016-09-08 P. Kosi{ń}ski , J. Lukierski , P. Ma{ś}lanka , J. Sobczyk

A q-deformed version of classical analysis is given to quantum spaces of physical importance, i.e. Manin plane, q-deformed Euclidean space in three or four dimensions, and q-deformed Minkowski space. The subject is presented in a rather…

Mathematical Physics · Physics 2009-11-11 Hartmut Wachter

Recently there were presented several proposals how to formulate the binary relations describing kappa-deformed oscillator algebras. In this paper we shall consider multilinear products of kappa-deformed oscillators consistent with the…

High Energy Physics - Theory · Physics 2015-05-18 Jerzy Lukierski , Mariusz Woronowicz

Certain non-linear relations between the generators of the (q-deformed) Heisenberg algebra are found. Some of these relations are invariant under quantization and $q$-deformation.

q-alg · Mathematics 2008-02-03 Alexander Turbiner

We present the quantum $\kappa$-deformation of BMS symmetry, by generalizing the lightlike $\kappa$-Poincar\'e Hopf algebra. On the technical level, our analysis relies on the fact that the lightlike $\kappa$-deformation of Poincar\'e…

High Energy Physics - Theory · Physics 2019-02-06 A. Borowiec , L. Brocki , J. Kowalski-Glikman , J. Unger

We describe the deformed Poincare-conformal symmetries implying the covariance of the noncommutative space obeying Snyder's algebra. Relativistic particle models invariant under these deformed symmetries are presented. A gauge…

High Energy Physics - Theory · Physics 2016-09-06 Rabin Banerjee , Shailesh Kulkarni , Saurav Samanta

The $\rho$-Minkowski space-time, a Lie-algebraic deformation of the usual Minkowski space-time is considered. A star-product realization of this quantum space-time together with the characterization of the deformed Poincar\'e symmetry…

High Energy Physics - Theory · Physics 2026-02-06 Jean-Christophe Wallet

We propose a new Doubly Special Relativity theory based on the generalization of the $\kappa$-deformation of the Poincar\'e algebra acting along one of the null directions. We recall the quantum Hopf structure of such deformed Poincar\'e…

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

We investigate the implications for the measurability of distances of a covariant dimensionful ``$\kappa$'' deformation of D=4 relativistic symmetries, with quantum time coordinate and modified Heisenberg algebra. We show that the structure…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Giovanni Amelino-Camelia , Jerzy Lukierski , Anatol Nowicki

We study Yang-Baxter sigma models with deformed 4D Minkowski spacetimes arising from classical $r$-matrices associated with $\kappa$-deformations of the Poincar\'e algebra. These classical $\kappa$-Poincar\'e $r$-matrices describe three…

High Energy Physics - Theory · Physics 2016-05-04 Andrzej Borowiec , Hideki Kyono , Jerzy Lukierski , Jun-ichi Sakamoto , Kentaroh Yoshida

We describe the generalized kappa-deformations of D=4 relativistic symmetries with finite masslike deformation parameter kappa and an arbitrary direction in kappa-deformed Minkowski space being noncommutative. The corresponding bicovariant…

High Energy Physics - Theory · Physics 2016-08-16 P. Kosiński , P. Maślanka , J. Lukierski , A. Sitarz

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

Curved momentum spaces associated to the $\kappa$-deformation of the (3+1) de Sitter and Anti-de Sitter algebras are constructed as orbits of suitable actions of the dual Poisson-Lie group associated to the $\kappa$-deformation with…

High Energy Physics - Theory · Physics 2018-06-06 Angel Ballesteros , Giulia Gubitosi , Iván Gutiérrez-Sagredo , Francisco J. Herranz

An example of a toy model of $D=2$ Minkowski space and Poincar\'e group with real deformation parameter $q$ is considered. A notion of free motion is defined. The kinematics and phase-space are constructed and the ``uncertainity'' ralations…

High Energy Physics - Theory · Physics 2007-05-23 Kordian Andrzej Smolinski

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

Number-phase uncertainty relations are formulated in terms of unified entropies which form a family of two-parametric extensions of the Shannon entropy. For two generalized measurements, unified-entropy uncertainty relations are given in…

Quantum Physics · Physics 2012-06-26 Alexey E. Rastegin

We show that the $\kappa$-deformed Poincar\'e quantum algebra proposed for elementary particle physics has the structure of a Hopf agebra bicrossproduct $U(so(1,3))\cobicross T$. The algebra is a semidirect product of the classical Lorentz…

High Energy Physics - Theory · Physics 2009-10-28 Shahn Majid , Henri Ruegg
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