English
Related papers

Related papers: $\kappa$-deformed Dirac Equation

200 papers

In this paper, we derive Lorentz force and Maxwell's equations on kappa-Minkowski space-time up to the first order in the deformation parameter. This is done by elevating the principle of minimal coupling to non-commutative space-time. We…

High Energy Physics - Theory · Physics 2012-02-10 E. Harikumar , T. Juric , S. Meljanac

We study the modification of Newton's second law, upto first order in the deformation parameter $a$, in the $\kappa$-space-time. We derive the deformed Hamiltonian, expressed in terms of the commutative phase space variables, describing the…

High Energy Physics - Theory · Physics 2010-12-09 E. Harikumar , A. K. Kapoor

We study the solutions of the (2+1)-dimensional kappa-deformed Dirac oscillator in the presence of a constant transverse magnetic field. We demonstrate how the deformation parameter affects the energy eigenvalues of the system and the…

High Energy Physics - Theory · Physics 2019-01-11 Y. Chargui , A. Dhahbi , B. Cherif

In this paper, we study the effect of $\kappa$-deformation of the space-time on the response function of a uniformly accelerating detector coupled to a scalar field. Starting with $\kappa$-deformed Klein-Gordon theory, which is invariant…

High Energy Physics - Theory · Physics 2015-06-05 E. Harikumar , A. K. Kapoor , Ravikant Verma

We consider $\kappa$-deformed relativistic quantum phase space and possible implementations of the Lorentz algebra. There are two ways of performing such implementations. One is a simple extension where the Poincar\'e algebra is unaltered,…

High Energy Physics - Theory · Physics 2019-06-26 D. Meljanac , S. Meljanac , S. Mignemi , R. Štrajn

We describe the deformed covariant phase space corresponding to the so-called kappa-deformation of D=4 relativistic symmetries, with quantum ``time'' coordinate and Heisenberg algebra obtained according to the Heisenberg double…

High Energy Physics - Theory · Physics 2011-04-15 Giovanni Amelino-Camelia , Jerzy Lukierski , Anatol Nowicki

In this letter, we derive the path integral action of a particle in $\kappa$-Minkowski spacetime. The equation of motion for an arbitrary potential due to the $\kappa$-deformation of the Minkowski spacetime is then obtained. The action…

General Physics · Physics 2018-06-27 Ravikant Verma , Debabrata Ghorai , Sunandan Gangopadhyay

We investigate a Lie algebra-type $ \kappa$-deformed Minkowski space-time with undeformed Lorentz algebra and mutually commutative vector-like Dirac derivatives. There are infinitely many realizations of $ \kappa$-Minkowski space. The…

High Energy Physics - Theory · Physics 2008-11-26 S. Meljanac , A. Samsarov , M. Stojic , K. S. Gupta

Doubly special relativity(DSR) introduce a minimal length scale i.e. the Planck length scale, which is independent length scale in addition to the speed of light in the normal special theory of relativity(STR). Doubly special relativity…

General Physics · Physics 2020-01-08 Ravikant Verma , Partha Nandi

We consider full phase-space noncommutativity in the Dirac equation, and find that in order to preserve gauge invariance, configuration space noncommutativity must be dropped. The resulting space structure gives rise to a constant magnetic…

High Energy Physics - Theory · Physics 2015-05-28 Orfeu Bertolami , Raquel Queiroz

The damped and parametrically driven nonlinear Dirac equation with arbitrary nonlinearity parameter $\kappa$ is analyzed, when the external force is periodic in space and given by $f(x) =r\cos(K x)$, both numerically and in a variational…

Pattern Formation and Solitons · Physics 2020-02-19 Fred Cooper , Avinash Khare , Niurka R. Quintero , Bernardo Sánchez-Rey , Franz G. Mertens , Avadh Saxena

In this letter we study the Aharonov-Bohm problem for a spin-1/2 particle in the quantum deformed framework generated by the $\kappa$-Poincar\'{e}-Hopf algebra. We consider the nonrelativistic limit of the $\kappa$-deformed Dirac equation…

High Energy Physics - Theory · Physics 2013-02-07 F. M. Andrade , E. O. Silva

The aim of the paper is to answer the following question: does $\kappa$-deformation fit into the framework of noncommutative geometry in the sense of spectral triples? Using a compactification of time, we get a discrete version of…

Mathematical Physics · Physics 2011-09-20 B. Iochum , T. Masson , Th. Schücker , A. Sitarz

In this paper we study the quantisation of scalar field theory in $\kappa$-deformed space-time. Using a quantisation scheme that use only field equations, we derive the quantisation rules for deformed scalar theory, starting from the…

High Energy Physics - Theory · Physics 2019-09-23 E. Harikumar , Vishnu Rajagopal

We generalise the entropic force description of gravity into $\kappa$-Minkowski space-time and derive the $\kappa$-deformed corrections to the Newton's gravitational force. Using this we show the appearance of logarithmic correction as the…

General Relativity and Quantum Cosmology · Physics 2025-07-01 Vishnu Rajagopal , Puxun Wu

In this paper, we investigate the twisted algebra of the fermionic oscillators associated with Dirac field defined in $\kappa$-Minkowski space-time. Starting from $\kappa$-deformed Dirac theory, which is invariant under the undeformed…

High Energy Physics - Theory · Physics 2017-04-19 Ravikant Verma

A general formalism is developed that allows the construction of a field theory on quantum spaces which are deformations of ordinary spacetime. The symmetry group of spacetime (Poincar\' e group) is replaced by a quantum group. This…

High Energy Physics - Theory · Physics 2008-11-26 Marija Dimitrijevic , Larisa Jonke , Lutz Möller , Efrossini Tsouchnika , Julius Wess , Michael Wohlgenannt

We construct a Dirac equation that is consistent with one of the recently-proposed schemes for a "doubly-special relativity", a relativity with both an observer-independent velocity scale (still naturally identified with the speed-of-light…

General Relativity and Quantum Cosmology · Physics 2009-11-07 Alessandra Agostini , Giovanni Amelino-Camelia , Michele Arzano

In this paper we have studied the nature of kinematical and dynamical laws in $\kappa $-Minkowski spacetime from a new perspective: the canonical phase space approach. We discuss a particular form of $\kappa$-Minkowski phase space algebra…

High Energy Physics - Theory · Physics 2008-11-26 Subir Ghosh , Probir Pal

We consider two realizations of the $\kappa$-deformed phase space obtained as a cross product algebra extension of $k$-Poincar\'{e} algebra. Two kinds of the kappa-deformed uncertainty relations are briefly discussed.

Quantum Algebra · Mathematics 2007-05-23 A. Nowicki