English
Related papers

Related papers: Momentum and Position Representations for the q-de…

200 papers

The aim of Part II of this paper is to try to describe wave functions on q-deformed versions of position and momentum space. This task is done within the framework developed in Part I of the paper. In order to make Part II self-contained…

Quantum Physics · Physics 2007-05-23 Hartmut Wachter

I extend the three-dimensional q-deformed Euclidean space by a time element and discuss the algebraic structure of this quantum space together with its differential calculi. Using the star-product formalism, I will give basic operations of…

Mathematical Physics · Physics 2020-04-14 Hartmut Wachter

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

Dynamical systems associated with a q-deformed two dimensional phase space are studied as effective dynamical systems described by ordinary variables. In quantum theory, the momentum operator in such a deformed phase space becomes a…

Mathematical Physics · Physics 2011-03-15 S. Naka , H. Toyoda , T. Takanashi

In this article we present explicit formulae for q-differentiation on quantum spaces which could be of particular importance in physics, i.e., q-deformed Minkowski space and q-deformed Euclidean space in three or four dimensions. The…

Mathematical Physics · Physics 2009-11-07 Claudia Bauer , Hartmut Wachter

For a q-deformed harmonic oscillator, we find explicit coordinate representations of the creation and annihilation operators, eigenfunctions, and coherent states (the last being defined as eigenstates of the annihilation operator). We…

Mathematical Physics · Physics 2008-10-14 V. V Eremin , A. A. Meldianov

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

We solve the problem of Fourier transformation for the one-dimensional $q$-deformed Heisenberg algebra. Starting from a matrix representation of this algebra we observe that momentum and position are unbounded operators in the Hilbert…

High Energy Physics - Theory · Physics 2008-02-03 J. Schwenk

The aim of these two papers (I and II) is to try to give fundamental concepts of quantum kinematics to q-deformed quantum spaces. Paper I introduces the relevant mathematical concepts. A short review of the basic ideas of q-deformed…

Quantum Physics · Physics 2007-05-23 Hartmut Wachter

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 develop a complete theory of non-formal deformation quantization exhibiting a nonzero minimal uncertainty in position. An appropriate integral formula for the star-product is introduced together with a suitable space of functions on…

Mathematical Physics · Physics 2018-07-31 Ziemowit Domański , Maciej Błaszak

We consider canonically conjugated generalized space and linear momentum operators $\hat{x}_q$ and $ \hat{p}_q$ in quantum mechanics, associated to a generalized translation operator which produces infinitesimal deformed displacements…

Quantum Physics · Physics 2018-05-09 Bruno G. da Costa , Ernesto P. Borges

The three-dimensional quantum Euclidean space is an example of a non-commutative space that is obtained from Euclidean space by $q$-deformation. Simultaneously, angular momentum is deformed to $so_q(3)$, it acts on the $q$-Euclidean space…

Quantum Algebra · Mathematics 2009-01-07 Stefan Schraml , Julius Wess

We described the $q$-deformed phase space. The $q$-deformed Hamilton eqations of motion are derived and discussed. Some simple models are considered.

High Energy Physics - Theory · Physics 2009-10-22 P. Caban , A. Dobrosielski , A. Krajewska , Z. Walczak

In this paper we present explicit formulas for the *-product on quantum spaces which are of particular importance in physics, i.e., the q-deformed Minkowski space and the q-deformed Euclidean space in 3 and 4 dimensions, respectively. Our…

High Energy Physics - Theory · Physics 2011-09-13 Hartmut Wachter , Michael Wohlgenannt

In the q-deformed theory the perturbation approach can be expressed in terms of two pairs of undeformed position and momentum operators. There are two configuration spaces. Correspondingly there are two q-perturbation Hamiltonians, one…

High Energy Physics - Theory · Physics 2011-09-13 Jian-zu Zhang

We review deformed quantum phase spaces and their realizations in terms of undeformed phase space. In particular, methods of calculation for the star product, coproduct of momenta and twist from realizations are presented, as well as their…

Mathematical Physics · Physics 2022-03-24 Stjepan Meljanac , Rina Štrajn

We study the classical and quantum oscillator in the context of a non-additive (deformed) displacement operator, associated with a position-dependent effective mass, by means of the supersymmetric formalism. From the supersymmetric partner…

Quantum Physics · Physics 2021-09-15 Bruno G. da Costa , Genilson A. C. da Silva , Ignacio S. Gomez

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

The paper develop the alternative formulation of quantum mechanics known as the phase space quantum mechanics or deformation quantization. It is shown that the quantization naturally arises as an appropriate deformation of the classical…

Mathematical Physics · Physics 2011-09-27 Maciej Blaszak , Ziemowit Domanski
‹ Prev 1 2 3 10 Next ›