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Quantum correlations in compound systems are of great importance, and they are fundamental resource for the development of quantum computation protocols and quantum information. In this work we construct bipartite pure coherent states using…

Quantum Physics · Physics 2015-06-18 E. Castro , S. Díaz-Solórzano , R. Gómez , A. Zambrano , C. L. Ladera

We identify q-deformed gl(l+1)-Whittaker functions with a specialization of Macdonald polynomials. This provides a representation of q-deformed gl(l+1)-Whittaker functions in terms of Demazure characters of affine Lie algebra \hat{gl(l+1)}.…

Representation Theory · Mathematics 2008-06-11 Anton Gerasimov , Dimitri Lebedev , Sergey Oblezin

We study the relations between $q$-deformations and $q$-coherent states of the single oscillator representations for $su_q(1,1)$ and $su_q(2)$ algebras; Dyson and Holstein-Primakoff type in terms of Biedenharn, Macfarlane and anyonic…

q-alg · Mathematics 2008-11-26 Phillial Oh , Chaiho Rim

Darboux transformation is a powerful tool for the construction of new solvable models in quantum mechanics. In this article, we discuss its use in the context of physical systems described by $4\times4$ Dirac Hamiltonians. The general…

Quantum Physics · Physics 2021-10-13 M. Castillo-Celeita , V. Jakubský , K. Zelaya

We prove a general theorem establishing the bispectrality of noncommutative Darboux transformations. It has a wide range of applications that establish bispectrality of such transformations for differential, difference and q-difference…

Classical Analysis and ODEs · Mathematics 2016-07-04 Joel Geiger , Emil Horozov , Milen Yakimov

A wide class of q-deformed harmonic oscillators including those of Macfarlane type and of Dubna type is shown to be describable in a unified way. The Hamiltonian of the oscillator is assumed to be given by a q-deformed anti-commutator of…

Mathematical Physics · Physics 2009-11-07 Ikuo S. Sogami , Kouzou Koizumi

The q-deformed kink of the $\lambda\phi^4-$model is obtained via the normalisable ground state eigenfunction of a fluctuation operator associated with the q-deformed hyperbolic functions. From such a bosonic zero-mode the q-deformed…

High Energy Physics - Theory · Physics 2011-07-28 A. F. de Lima , R. de Lima Rodrigues

In this paper, we develop a new deformation and generalization of the Natural integral transform based on the conformable fractional $q$-derivative. We obtain transformation of some deformed functions and apply the transform for solving…

Classical Analysis and ODEs · Mathematics 2018-11-07 Orli Herscovici , Toufik Mansour

We present an expression for curvature with q-deformed calculus such as considered in \cite{d-k,b-b-k,f-m-r-s-w}. By exploiting the persistence of Bianchi's second identity, we suggest a way to attach physical meaning to the $q$ parameters…

Mathematical Physics · Physics 2009-08-12 E. Akofor

We consider a version of generalised $q$-oscillators and some of their applications. The generalisation includes also "quons" of infinite statistics and deformed oscillators of parastatistics. The statistical distributions for different…

High Energy Physics - Theory · Physics 2007-05-23 Dao Vong Duc

The algebra of observables of $SO_{q}(3)$-symmetric quantum mechanics is extended to include the inverse $\frac{1}{R}$ of the radial coordinate and used to obtain eigenvalues and eigenfunctions of a \q-deformed Coulomb Hamiltonian.

High Energy Physics - Theory · Physics 2011-07-19 J. Feigenbaum , P. G. O. Freund

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

We address the issue of the Landau diamagnetism problem via $q$-deformed algebra of Fibonacci oscillators through its generalized sequence of two real and independent deformation parameters $q_1$ and $q_2$. We obtain $q$-deformed…

Statistical Mechanics · Physics 2015-06-18 Andre A. Marinho , Francisco A. Brito , Carlos Chesman

This is a study of $q$-Fermions arising from a q-deformed algebra of harmonic oscillators. Two distinct algebras will be investigated. Employing the first algebra, the Fock states are constructed for the generalized Fermions obeying Pauli…

Quantum Physics · Physics 2015-06-26 P. Narayana Swamy

Irreducible second-order Darboux transformations are applied to the periodic Schrodinger's operators. It is shown that for the pairs of factorization energies inside of the same forbidden band they can create new non-singular potentials…

Quantum Physics · Physics 2008-11-26 David J. Fernandez C. , Bogdan Mielnik , Oscar Rosas-Ortiz , Boris F. Samsonov

We study several classical like properties of q-deformed nonlinear coherent states as well as nonclassical behaviours of q-deformed version of the Schrodinger cat states in noncommutative space. Coherent states in q-deformed space are found…

Quantum Physics · Physics 2015-02-18 Sanjib Dey

In this paper we extend the umbral calculus, developed to deal with difference equations on uniform lattices, to q-difference equations. We show that many of the properties considered for shift invariant difference operators satisfying the…

Mathematical Physics · Physics 2009-11-10 D. Levi , J. Negro , M. A. del Olmo

We consider a q-deformed version of the uniform Gibbs measure on dimers on the periodized hexagonal lattice (equivalently, on interlacing particle configurations, if vertical dimers are seen as particles) and show that it is invariant under…

Probability · Mathematics 2015-09-08 Ivan Corwin , Fabio Lucio Toninelli

Starting on the basis of $q$-symmetric oscillator algebra and on the associate $q$-calculus properties, we study a deformed quantum mechanics defined in the framework of the basic square-integrable wave functions space. In this context, we…

Mathematical Physics · Physics 2015-05-14 A. Lavagno

We summarize some basics about mathematical tools of analysis for the q-deformed Euclidean space. We use the new tools to examine q-deformed eigenfunctions of the momentum or position operator within the framework of the star product…

Mathematical Physics · Physics 2019-10-08 Hartmut Wachter
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