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A new deformed canonical commutation relation, generalizing various known deformations, is defined together with its structure function of deformation. Then, the related irreducible representations are characterized and classified. Finally,…

Mathematical Physics · Physics 2015-05-30 E. Baloitcha , M. N. Hounkonnou , E. B. Ngompe Nkouankam

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

The paper investigated a set of non-Gaussian states generated by measuring the number of particles in one of the modes of a two-mode entangled Gaussian state. It was demonstrated that all generated states depend on two types of parameters:…

Quantum Physics · Physics 2025-01-14 S. B. Korolev , E. N. Bashmakova , T. Yu. Golubeva

An analysis of the construction of a q-deformed version of the 3-dimensional harmonic oscillator, which is based on the application of q-deformed algebras, is presented. The results together with their applicability to the shell model are…

Nuclear Theory · Physics 2008-11-26 P. Raychev , R. Roussev , N. Lo Iudice , P. Terziev

The self-similar potentials are formulated in terms of the shape-invariance. Based on it, a coherent state associated with the shape-invariant potentials is calculated in case of the self-similar potentials. It is shown that it reduces to…

High Energy Physics - Theory · Physics 2009-10-22 T. Fukui

We discuss quantum algebraic structures of the systems of electrons or quasiparticles on a sphere of which center a magnetic monople is located on. We verify that the deformation parameter is related to the filling ratio of the particles in…

High Energy Physics - Theory · Physics 2009-10-28 N. Aizawa , S. Sachse , H-T. Sato

We introduce new representations to formulate quantum mechanics on noncommutative coordinate space, which explicitly display entanglement properties between degrees of freedom of different coordinate components and hence could be called…

High Energy Physics - Theory · Physics 2007-05-23 S. C. Jing , Q. Y. Liu , H. Y. Fan

We construct the photon added coherent states of a noncommutative harmonic oscillator associated to a $q$-deformed oscillator algebra. Various nonclassical properties of the corresponding system are explored, first, by studying two…

Quantum Physics · Physics 2016-05-20 Sanjib Dey , Véronique Hussin

We discuss a model of a $q$-harmonic oscillator based on Rogers-Szeg\H{o} functions. We combine these functions with a class of $q$-analogs of complex Hermite polynomials to construct a new set of coherent states depending on a nonnegative…

Mathematical Physics · Physics 2021-10-26 Othmane El Moize , Zouhaïr Mouayn

Quantum and q-deformed algebras find their application not only in mathematical physics and field theoretical context, but also in phenomenology of particle properties. We describe (i) the use of quantum algebras U_q(su_n) corresponding to…

High Energy Physics - Phenomenology · Physics 2011-07-19 A. M. Gavrilik

A simpler definition for a class of two-parameter quantum groups associated to semisimple Lie algebras is given in terms of Euler form. Their positive parts turn out to be 2-cocycle deformations of each other under some conditions. An…

Quantum Algebra · Mathematics 2014-10-06 Naihong Hu , Yufeng Pei

We give an approach to open quantum systems based on formal deformation quantization. It is shown that classical open systems of a certain type can be systematically quantized into quantum open systems preserving the complete positivity of…

Mathematical Physics · Physics 2015-05-13 Florian Becher , Nikolai Neumaier , Stefan Waldmann

The intelligent states associated with the suq (1,1) and suq (2) q-deformed Lie algebra are investigated. The eigenvalue problem is also discussed.

Quantum Physics · Physics 2020-07-22 Mohamed Taha Rouabah , Nouredinne Mebarki , Mohamed Farouk Ghiti

The polynomial algebra is a deformed SU(2) algebra. Here, we use polynomial algebra as a method to solve a series of deformed oscillators. Meanwhile, we find a series of physics systems corresponding with polynomial algebra with different…

Mathematical Physics · Physics 2015-05-14 Ci Song , Fu-Lin Zhang , Jing-Ling Chen

This paper suveys some recent algebraic developments in two parameter Quantum deformations and their Nonstandard (or Jordanian) counterparts. In particular, we discuss the contraction procedure and the quantum group homomorphisms associated…

Quantum Algebra · Mathematics 2007-05-23 Deepak Parashar , Roger J. McDermott

We study the dynamics of two qubits interacting with a single mode of a harmonic oscillator beyond the rotating wave approximation in the ideally degenerate regime. Exact analytic expressions are obtained for state properties of interest,…

Quantum Physics · Physics 2011-06-02 S. Agarwal , S. M. Hashemi Rafsanjani , J. H. Eberly

We report results on a model of two coupled oscillators that undergo periodic parametric modulations with a phase difference $\theta$. Being to a large extent analytically solvable, the model reveals a rich $\theta$ dependence of the…

Statistical Mechanics · Physics 2009-10-31 Mauro Copelli , Katja Lindenberg

Chaos in classical systems has been studied in plenty over many years. Although the search for chaos in quantum systems has been an area of prominent research over the last few decades, the detailed analysis of many inherently chaotic…

Quantum Physics · Physics 2020-01-14 Aditi Pradeep , S. Anupama , C. Sudheesh

The behavior of general nonclassical two-mode Gaussian states at a beam splitter is investigated. Single-mode nonclassicality as well as two-mode entanglement of both input and output states are analyzed suggesting their suitable…

Quantum Physics · Physics 2016-07-07 Ievgen I. Arkhipov , Jan Peřina , Jan Peřina , Adam Miranowicz

In this paper, we study the quantum states generated from two and three linearly interacting quantum harmonic oscillators. We consider the possibility that one of the oscillators be under the influence of a classical external source and…

Quantum Physics · Physics 2022-09-27 Haqi Ismael Shareef , Fardin Kheirandish