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Quantum deformations of sets of points of the real and the complexified projective line are constructed. These deformations depend on the deformation parameter q and certain further parameters \lambda_{ij}. The deformations for which the…

Quantum Algebra · Mathematics 2009-11-11 Frank Leitenberger

For the q-deformation G_q, 0<q<1, of any simply connected simple compact Lie group G we construct an equivariant spectral triple which is an isospectral deformation of that defined by the Dirac operator D on G. Our quantum Dirac operator…

Operator Algebras · Mathematics 2007-05-23 Sergey Neshveyev , Lars Tuset

We construct the $q$-deformed Clifford algebra of $\mathfrak{sl}_2$ and study its properties. This allows us to define the $q$-deformed noncommutative Weil algebra $\mathcal{W}_q(\mathfrak{sl}_2)$ for $U_q(\mathfrak{sl}_2)$ and the…

Representation Theory · Mathematics 2025-01-28 Andrey Krutov , Pavle Pandžić

Starting from the Schwinger unitary operator bases formalism constructed out of a finite dimensional state space, the well-known q-deformed commutation relation is shown to emerge in a natural way, when the deformation parameter is a root…

q-alg · Mathematics 2008-02-03 D. Galetti , J. T. Lunardi , B. M. Pimentel , C. L. Lima

We construct a new model of the quantum oscillator, whose energy spectrum is equally-spaced and lower-bounded, whereas the spectra of position and momentum are a denumerable non-degenerate set of points in [-1,1] that depends on the…

Mathematical Physics · Physics 2009-11-13 Natig M. Atakishiyev , Anatoliy U. Klimyk , Kurt Bernardo Wolf

By factorization of the Hamiltonian describing the quantum mechanics of the continuous q-Hermite polynomial, the creation and annihilation operators of the q-oscillator are obtained. They satisfy a q-oscillator algebra as a consequence of…

High Energy Physics - Theory · Physics 2008-11-26 Satoru Odake , Ryu Sasaki

Affine transformations (dilatations and translations) are used to define a deformation of one-dimensional $N=2$ supersymmetric quantum mechanics. Resulting physical systems do not have conserved charges and degeneracies in the spectra.…

High Energy Physics - Theory · Physics 2011-03-02 V. Spiridonov

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

We found hermitian realizations of the position vector $\vec{r}$, the angular momentum $\vec{\Lambda}$ and the linear momentum $\vec{p}$, all behaving like vectors under the $su_q(2)$ algebra, generated by $L_0$ and $L_\pm$. They are used…

Mathematical Physics · Physics 2015-06-26 M. Micu

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 study the most elementary aspects of harmonic analysis on a homogeneous space of a deformation of the two-dimensional Euclidean group, admitting generalizations to dimensions three and four, whose quantum parameter has the physical…

q-alg · Mathematics 2008-02-03 F. Bonechi , R. Giachetti , M. A. del Olmo , E. Sorace , M. Tarlini

A global model of $q$-deformation for the quasi--orthogonal Lie algebras generating the groups of motions of the four--dimensional affine Cayley--Klein geometries is obtained starting from the three dimensional deformations. It is shown how…

High Energy Physics - Theory · Physics 2009-10-22 A. Ballesteros , F. J. Herranz , M. A. del Olmo , M. Santander

With a q-deformed quantum mechanical framework, features of the uncertainty relation and a novel formulation of the Schr\"odinger equation are considered.

High Energy Physics - Theory · Physics 2009-11-10 Jian-zu Zhang

We use the theory of the quantum group $U_q(gl(2,\RR))$ in order to develop a quantum theory of invariants and show a decomposition of invariants into a Gordan-Capelli series. Higher binary forms are introduced on the basis of braided…

Quantum Algebra · Mathematics 2007-05-23 Frank Leitenberger

We study a q-generalization of the classical Laguerre/Hermite orthogonal polynomials. Explicit results include: the recursive coefficients, matrix elements of generators for the Heisenberg algebra, and the Hankel determinants. The power of…

Exactly Solvable and Integrable Systems · Physics 2017-12-18 Chuan-Tsung Chan , Hsiao-Fan Liu

We combine continuous $q^{-1}$-Hermite Askey polynomials with new $2D$ orthogonal polynomials introduced by Ismail and Zhang as $q$-analogs for complex Hermite polynomials to construct a new set of coherent states depending on a nonnegative…

Mathematical Physics · Physics 2021-10-26 Othmane El moize , Zouhair Mouayn

This paper addresses a construction of new $q-$Hermite polynomials with a full characterization of their main properties and corresponding raising and lowering operator algebra. The three-term recursive relation as well as the second-order…

Mathematical Physics · Physics 2013-10-07 Won Sang Chung , Mahouton Norbert Hounkonnou , Arjika Sama

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

Based on the motivation of generalizing the correspondence between the Lax equation for the Toda lattice and the deformation theory of the orthogonal polynomials, we derive a q-deformed version of the Toda equations for both…

Exactly Solvable and Integrable Systems · Physics 2018-05-03 Chuan-Tsung Chan , Hsiao-Fan Liu