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Related papers: On the $\kappa$-Dirac Oscillator revisited

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The deformation theory of a Dirac structure is controlled by a differential graded Lie algebra which depends on the choice of an auxiliary transversal Dirac structure; if the transversal is not involutive, one obtains an $L_\infty$ algebra…

Differential Geometry · Mathematics 2017-03-02 M. Gualtieri , M. Matviichuk , G. Scott

The $\kappa$-deformed $D=4$ Poincar{\'e} superalgebra written in Hopf superalgebra form is transformed to the basis with classical Lorentz subalgebra generators. We show that in such a basis the $\kappa$-deformed $D=4$ Poincare superalgebra…

High Energy Physics - Theory · Physics 2009-10-28 P. Kosi{ń}ski , J. Lukierski , P. Ma{ś}lanka , J. Sobczyk

In the following work we will introduce and discuss in detail a particular model of complex $\kappa$-deformed scalar field, whose behaviour under C, P , T transformation is particularly transparent from both a formal and phenomenological…

High Energy Physics - Theory · Physics 2023-11-02 Andrea Bevilacqua

The complete energy spectrum for the Dirac oscillator via R-deformed Heisenberg algebra is investigated.

High Energy Physics - Theory · Physics 2007-05-23 R. de Lima Rodrigues , A. N. Vaidya

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

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

In this paper, we construct a Dirac star model composed of $|\kappa|$ pairs of spinor fields. The azimuthal harmonic indeces $m$ of these spinor fields are half-integers, and they satisfiy $-(|\kappa|-\frac{1}{2})\leq m \leq…

General Relativity and Quantum Cosmology · Physics 2023-11-27 Shi-Xian Sun , Si-Yuan Cui , Long-Xing Huang , Yong-Qiang Wang

The dissertation presents possibilities of applying noncommutative spacetimes description, particularly kappa-deformed Minkowski spacetime and Drinfeld's deformation theory, as a mathematical formalism for Doubly Special Relativity theories…

Mathematical Physics · Physics 2011-12-23 Anna Pachoł

The missed particle-antiparticle degrees of freedom are retrieved and the corresponding particle-antiparticle intrinsic space are introduced to study the dynamical symmetry of the Dirac particle. As a result, the particle-antiparticle…

High Energy Physics - Theory · Physics 2007-05-23 Shun-Jin Wang , Shan-Gui Zhou , Hans-Christian Pauli

The $\kappa$-deformation of the D-dimensional Poincar\'e algebra $(D\geq 2)$ with any signature is given. Further the quadratic Poisson brackets, determined by the classical $r$-matrix are calculated, and the quantum Poincar\'e group "with…

High Energy Physics - Theory · Physics 2009-10-22 Jerzy Lukierski , Henri Ruegg

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

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

We introduce a Dirac equation which reproduces the usual radial sextic oscillator potential in the non-relativistic limit. We determine its energy spectrum in the presence of the magnetic field. It is shown that the equation is solved in…

Quantum Physics · Physics 2007-05-23 Ramazan Koc , Mehmet Koca

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

The Dirac equation, with position-dependent mass, is solved approximately for the generalized Hulth\'{e}n potential with any spin-orbit quantum number $\kappa$. Solutions are obtained by using an appropriate coordinate transformation,…

Quantum Physics · Physics 2015-05-19 Altug Arda , Ramazan Sever , Cevdet Tezcan

In the Jaynes-Cummings (JC) model, the time dependence in the coupling parameter allows changes in the forms of the Rabi oscillations. In the inverse problem approach (IPA), the time-dependent coupling parameter is obtained from the…

Quantum Physics · Physics 2025-06-02 Thiago T. Tsutsui , Antonio S. M. de Castro , Fabiano M. Andrade

In this comment, we showed that the Dirac equation in the screw dislocation space-time also carries a term that represents the torsion of such topological defect, given by $K_\mu$. Therefore, the Dirac equation worked by Wang et al. is…

Mesoscale and Nanoscale Physics · Physics 2024-01-23 R. R. S. Oliveira

We introduce new $\kappa$-star product describing the multiplication of quantized $\kappa$-deformed free fields. The $\kappa$-deformation of local free quantum fields originates from two sources: noncommutativity of space-time and the…

High Energy Physics - Theory · Physics 2008-11-26 M. Daszkiewicz , J. Lukierski , M. Woronowicz

We consider the three-dimensional Dirac equation in spherical coordinates with coupling to static electromagnetic potential. The space components of the potential have angular (non-central) dependence such that the Dirac equation is…

High Energy Physics - Theory · Physics 2008-11-26 A. D. Alhaidari

The Hartree-Fock approximation of Quantum Electrodynamics provides a rigorous framework for the description of relativistic electrons in external fields. This nonlinear model takes into account the infinitely many virtual electrons of…

Mathematical Physics · Physics 2012-11-21 Julien Sabin