English
Related papers

Related papers: q deformation by intertwining with application to …

200 papers

The aim of this paper is to provide an explicit expressions for the generalized q-deformed harmonic oscillator coherent states obtained in terms of a weak and strong behavior expansions. We first use the weak (s --> 0) deformed version of…

Mathematical Physics · Physics 2016-08-31 Sid-Ahmed Yahiaoui , Mustapha Bentaiba

The quantum deformation of the oscillator algebra and its implications on the phase operator are studied from a view point of an index theorem by using an explicit matrix representation. For a positive deformation parameter $q$ or…

High Energy Physics - Theory · Physics 2009-10-28 Kazuo Fujikawa , L. C. Kwek , C. H. Oh

In this letter, we define the homodyne $q$-deformed quadrature operator. Analytic expression for the wavefunctions of $q$-deformed oscillator in the quadrature basis are found. Furthermore, we compute the explicit analytical expression for…

Quantum Physics · Physics 2017-09-18 M. P. Jayakrishnan , Sanjib Dey , Mir Faizal , C. Sudheesh

We propose a q-deformation of the su(2)-invariant Schrodinger equation of a spinless particle in a central potential, which allows us not only to determine a deformed spectrum and the corresponding eigenstates, as in other approaches, but…

Quantum Algebra · Mathematics 2009-10-31 M. Irac-Astaud , C. Quesne

The q-special functions appear naturally in q-deformed quantum mechanics and both sides profit from this fact. Here we study the relation between the q-deformed harmonic oscillator and the q-Hermite polynomials. We discuss: recursion…

Quantum Algebra · Mathematics 2019-08-17 Ralf Hinterding , Julius Wess

Using the q-version of the Darboux transform we obtain the general solution of q-difference Riccati equation from a special one by the action of one-parameter group. This allows us to construct the solutions for the latge class of…

Mathematical Physics · Physics 2013-11-05 A. Odzijewicz , A. Ryzko

Using deformations inspired by relativistic considerations and phase space symmetry, we deform the position and momentum operators in one dimension. The resulting algebra is shown to yield the q-oscillator algebra in one limiting case and…

Mathematical Physics · Physics 2007-05-23 T. Rador

The q-deformed fuzzy sphere $S_{qF}^2(N)$ is the algebra of $(N+1)\times(N+1)$ dim. matrices, covariant with respect to the adjoint action of $\uq$ and in the limit $q\to 1$, it reduces to the fuzzy sphere $S_{F}^2(N)$. We construct the…

High Energy Physics - Theory · Physics 2009-11-11 E. Harikumar , Amilcar R. Queiroz , P. Teotonio-Sobrinho

The quantum deformation concept is applied to a study of isovector pairing correlations in nuclei of the mass 40<A<100 region. While the non-deformed (q -> 1) limit of the theory provides a reasonable global estimate for strength parameters…

Nuclear Theory · Physics 2007-05-23 K. D. Sviratcheva , C. Bahri , A. I. Georgieva , J. P. Draayer

We address the issue of generalizing the thermodynamic quantities via $q$-deformation, i.e., via the $q$-algebra that describes $q$-bosons and $q$-fermions. In this study with the application of $q$-deformation to the Landau diamagnetism…

Statistical Mechanics · Physics 2011-05-05 F. A. Brito , A. A. Marinho

In the framework of the q-deformed Heisenberg algebra the investigation of $q$-deformation of Virial theorem explores that q-deformed quantum mechanics possesses better dynamical property. It is clarified that in the case of the zero…

High Energy Physics - Theory · Physics 2015-06-26 Jian-zu Zhang

We construct a q-deformed version of the conformal quantum mechanics model of de Alfaro, Fubini and Furlan for which the deformation parameter is complex and the unitary time evolution of the system is preserved. We also study differential…

High Energy Physics - Theory · Physics 2009-10-31 Donam Youm

We propose a differential representation for the operators satisfying the q-mutation relation $BB^\dagger-q B^\dagger B=\1$ which generalizes a recent result by Eremin and Meldianov, and we discuss in detail this choice in the limit…

Mathematical Physics · Physics 2015-05-13 Fabio Bagarello

This paper is the survey of some of our results related to $q$-deformations of the Fock spaces and related to $q$-convolutions for probability measures on the real line $\mathbb{R}$. The main idea is done by the combinatorics of moments of…

Mathematical Physics · Physics 2024-02-16 Marek Bozejko , Wojciech Bozejko

The Darboux transformation operator technique is applied to construct exactly solvable anharmonic singular oscillator potentials and to study their coherent states. Classical system corresponding to a transformed quantum system is…

Quantum Physics · Physics 2009-10-30 Boris F. Samsonov

A matricial Darboux operator intertwining two one-dimensional stationary Dirac Hamiltonians is constructed. This operator is such that the potential of the second Dirac Hamiltonian as well as the corresponding eigenfunctions are determined…

Quantum Physics · Physics 2007-05-23 N. Debergh , A. A. Pecheritsin , B. F. Samsonov , B. Van den Bossche

In this paper we propose a symmetric q-deformed Tamm-Dancoff (S-TD) oscillator algebra and study its representation, coordinate realization, and main properties. In particular, the non-Fibonacci (more exactly, quasi-Fibonacci) nature of…

Mathematical Physics · Physics 2014-07-16 Won Sang Chung , A. M. Gavrilik , I. I. Kachurik , A. P. Rebesh

We show that an infinite set of q-deformed relevant operators close a partial q-deformed Lie algebra under commutation with the Arik-Coon oscillator. The dynamics is described by the multicommutator: [H,..., [H, O]...], that follows a power…

Quantum Physics · Physics 2009-10-31 Jose Luis Gruver

We construct the q-deformed version of two four-dimensional spin foam models, the Euclidean and Lorentzian versions of the EPRL model. The q-deformed models are based on the representation theory of two copies of U_q(su(2)) at a root of…

General Relativity and Quantum Cosmology · Physics 2012-02-07 Winston J. Fairbairn , Catherine Meusburger

In this paper, q-Laplace transforms related to the non-extensive thermodynamics are investigated by using the algebraic operation of the non-extensive calculus. The deformed simple harmonic problem is discussed by using the q-Laplace…

General Physics · Physics 2013-02-18 Won Sang Chung