English
Related papers

Related papers: Commutator Anomaly in Noncommutative Quantum Mecha…

200 papers

A translation operator is introduced to describe the quantum dynamics of a position-dependent mass particle in a null or constant potential. From this operator, we obtain a generalized form of the momentum operator as well as a unique…

Quantum Physics · Physics 2015-05-30 R. N. Costa Filho , M. P. Almeida , G. A. Farias , J. S. Andrade

The fractional operators together with exponential quantum in coordinate and momentum space corresponding to the power of observables are introduced. Based on an exponential relation between energy and momentum, the fractional Schr\"odinger…

Quantum Physics · Physics 2018-04-12 Hong Zhang

Noncommutative phase space of an arbitrary dimension is considered. The both of operators coordinates and momenta in noncommutative phase space may be noncommutative. In this paper, we introduce momentum-momentum noncommutativity in…

High Energy Physics - Theory · Physics 2014-03-20 H. Kakuhata , M. Nakamura

The Schr\"odinger-like equation written in terms of the displacement operator is solved analytically for a inverse square plus Coulomb-like potential. Starting from the new Hamiltonian, the effects of the spatially dependent mass on the…

Quantum Physics · Physics 2015-09-30 Altug Arda , Ramazan Sever

We construct an effective commutative Schr\"odinger equation in Moyal space-time in $(1+1)$-dimension where both $t$ and $x$ are operator-valued and satisfy $\left[ \hat{t}, \hat{x} \right] = i \theta$. Beginning with a time-reparametrised…

Quantum Physics · Physics 2017-08-17 Partha Nandi , Sayan Kumar Pal , Aritra N Bose , Biswajit Chakraborty

Quantum mechanics is one of the basic theories of modern physics. Here, the famous Schr\"odinger equation and the differential operators representing mechanical quantities in quantum mechanics are derived, just based on the principle that…

General Physics · Physics 2021-06-03 Xiao-Bo Yan

The appearance of noncommuting spatial coordinates is studied in quantum systems containing a magnetic monopole and under the influence of a radial potential. We derive expressions for the commutators of the coordinates that have been…

High Energy Physics - Theory · Physics 2010-01-26 Jan Govaerts , Sean Murray

The Aharonov-Casher (AC) effect in non-commutative(NC) quantum mechanics is studied. Instead of using the star product method, we use a generalization of Bopp's shift method. After solving the Dirac equations both on noncommutative space…

High Energy Physics - Theory · Physics 2008-11-26 Kang Li , Jianhua Wang

This paper considers a generalization of the notion of quantum observables in ontological models of quantum mechanics. Within this framework it is possible to construct physical models where quantum noncommutativity can arise dynamically.…

Quantum Physics · Physics 2007-12-12 Tung Ten Yong

First a description of 2+1 dimensional non-commutative(NC) phase space is presented, where the deformation of the planck constant is given. We find that in this new formulation, generalized Bopp's shift has a symmetric representation and…

High Energy Physics - Theory · Physics 2007-08-30 Kang Li , Sayipjamal Dulat

As already known for nonrelativistic spinless particles, Bopp operators give an elegant and simple way to compute the dynamics of quasiprobability distributions in the phase space formulation of Quantum Mechanics. In this work, we present a…

Quantum Physics · Physics 2008-11-26 D. Zueco , Ivan Calvo

The HMW effect in non-commutative quantum mechanics is studied. By solving the Dirac equations on non-commutative (NC) space and non-commutative phase space, we obtain topological HMW phase on NC space and NC phase space respectively, where…

High Energy Physics - Theory · Physics 2008-11-26 Jianhua Wang , Kang Li

A quantum mechanical model for the systems consisting of interacting bodies is considered. The model takes into account the noncommutativity of the space and impulse operators and the correlation equations for the indeterminacy of these…

Nuclear Theory · Physics 2007-05-23 A. I. Steshenko

We study the properties of quasi-distributions or Wigner measures in the context of noncommutative quantum mechanics. In particular, we obtain necessary and sufficient conditions for a phase-space function to be a noncommutative Wigner…

Mathematical Physics · Physics 2014-11-20 C. Bastos , N. C. Dias , J. N. Prata

It is shown that quantum mechanics on noncommutative (NC) spaces can be obtained by canonical quantization of some underlying constrained systems. Noncommutative geometry arises after taking into account the second class constraints…

High Energy Physics - Theory · Physics 2009-11-07 A. A. Deriglazov

In this work quantum physics in noncommutative spacetime is developed. It is based on the work of Doplicher et al. which allows for time-space noncommutativity. The Moyal plane is treated in detail. In the context of noncommutative quantum…

High Energy Physics - Theory · Physics 2016-09-06 A. P. Balachandran , T. R. Govindarajan , C. Molina , P. Teotonio-Sobrinho

We study the effect of noncommutativity of space on the physics of a quantum interferometer located in a rotating disk in a gauge field background. To this end, we develop a path-integral approach which allows defining an effective action…

High Energy Physics - Theory · Physics 2010-11-19 H. R. Christiansen , F. A. Schaposnik

We study some basic and interesting quantum mechanical systems in dynamical noncommutative spaces in which the space- space commutation relations are position dependent. It is observed that the fundamental objects in the dynamical…

High Energy Physics - Theory · Physics 2015-06-15 S. A. Alavi , S. Abbaspour

In this note we show that in a two-dimensional non-commutative space the area operator is quantized, this outcome is compared with the result obtained by Loop Quantum Gravity methods.

High Energy Physics - Theory · Physics 2009-11-10 Juan M. Romero , J. A. Santiago , J. David Vergara

Using elements of symmetry, we constructed the Noncommutative Schr\"odinger Equation from a representation of Exotic Galilei Group. As consequence, we derive the Ehrenfest theorem using noncommutative coordinates. We also have showed others…

Mathematical Physics · Physics 2018-02-23 R. G. G. Amorim , S. C. Ulhoa