English
Related papers

Related papers: Composite system in deformed space with minimal le…

200 papers

We investigated the orbital magnetic moment of electron in the hydrogen atom in deformed space with minimal length. It turned out that corrections to the magnetic moment caused by deformation depend on one parameter in the presence of…

Quantum Physics · Physics 2009-12-14 M. M. Stetsko , V. M. Tkachuk

A minimal observable length is a common feature of theories that aim to merge quantum physics and gravity. Quantum mechanically, this concept is associated to a nonzero minimal uncertainty in position measurements, which is encoded in…

We reduce two-body problem to the one-body problem in general case of deformed Heisenberg algebra leading to minimal length.Two-body problems with delta and Coulomb-like interactions are solved exactly. We obtain analytical expression for…

Quantum Physics · Physics 2018-01-17 M. I. Samar , V. M. Tkachuk

Studies in string theory and quantum gravity lead to the Generalized Uncertainty Principle (GUP) and suggest the existence of a fundamental minimal length which, as was established, can be obtained within the deformed Heisenberg algebra.…

General Relativity and Quantum Cosmology · Physics 2015-06-12 V. M. Tkachuk

In this paper we will demonstrate that like the existence of a minimum measurable length, the existence of a maximum measurable momentum, also influence all quantum mechanical systems. Beyond the simple one dimensional case, the existence…

High Energy Physics - Theory · Physics 2015-02-24 Mir Faizal

A space with deformed Poisson brackets for coordinates and momenta leading to the minimal length is considered. Features of description of motion of a body in the space are examined. We propose conditions on the parameters of deformation on…

General Physics · Physics 2019-04-23 Kh. P. Gnatenko , V. M. Tkachuk

We consider one dimensional deformed Heisenberg algebra leading to existence of minimal length for coordinate operator and minimal and maximal uncertainty of momentum operator. For this algebra an exactly solvable Hamiltonian is…

Quantum Physics · Physics 2007-05-23 Taras V. Fityo

The existence of a fundamental length (or fundamental time) has been conjectured in many contexts. However, the "stability of physical theories principle" seems to be the one that provides, through the tools of algebraic deformation theory,…

High Energy Physics - Theory · Physics 2011-11-24 R. Vilela Mendes

Quantum gravity theories predict a minimal length at the order of magnitude of the Planck length, under which the concepts of space and time lose every physical meaning. In quantum mechanics, the insurgence of such minimal length can be…

Quantum Physics · Physics 2016-07-08 Matteo A. C. Rossi , Tommaso Giani , Matteo G. A. Paris

Composite system made of $N$ particles is considered in twist-deformed space-time. It is shown that in the space the motion of the center-of-mass of the system depends on the relative motion. Influence of deformation on the motion of the…

Quantum Physics · Physics 2019-03-26 Kh. P. Gnatenko

The existence of a fundamental length (or fundamental time) has been conjectured in many contexts. However, the "stability of physical theories principle" seems to be the one that provides, through the tools of algebraic deformation theory,…

High Energy Physics - Theory · Physics 2015-06-03 R. Vilela Mendes

We review the essentials of the formalism of quantum mechanics based on a deformed Heisenbeg algebra, leading to the existence of a minimal length scale. We compute in this context, the energy spectra of the pseudoharmonic oscillator and…

Quantum Physics · Physics 2017-11-15 Djamil Bouaziz

Perivolaropoulos has recently proposed a position-deformed Heisenberg algebra which includes a maximal length [Phys.Rev.95, 103523 (2017)]. He has shown that this length scale naturally emerges in the context of cosmological particle's…

Quantum Physics · Physics 2021-10-20 Kossi Amouzouvi , Benjamin A. Appiah , Latévi M. Lawson , Abdel-Baset A. Mohamed

The motion of a composite system made of N particles is examined in a space with a canonical noncommutative algebra of coordinates. It is found that the coordinates of the center-of-mass position satisfy noncommutative algebra with…

General Relativity and Quantum Cosmology · Physics 2015-06-19 Kh. P. Gnatenko

We considered the thermodynamics in spaces with deformed commutation relation leading to existence of the minimal length. We developed a classical method of the partition function evaluation. We calculated the partition function and heat…

Quantum Physics · Physics 2009-11-13 Taras Fityo

We study energy spectrum for hydrogen atom with deformed Heisenberg algebra leading to minimal length. We develop correct perturbation theory free of divergences. It gives a possibility to calculate analytically in the 3D case the…

Quantum Physics · Physics 2009-12-14 M. M. Stetsko , V. M. Tkachuk

The existence of a minimum measurable length could deform not only the standard quantum mechanics but also classical physics. The effects of the minimal length on classical orbits of particles in a gravitation field have been investigated…

General Relativity and Quantum Cosmology · Physics 2016-06-01 Xiaobo Guo , Peng Wang , Haitang Yang

We investigated the elastic scattering problem with deformed Heisenberg algebra leading to the existence of a minimal length. The continuity equations for the moving particle in deformed space were constructed. We obtained the Green's…

High Energy Physics - Theory · Physics 2008-11-26 M. M. Stetsko , V. M. Tkachuk

The WKB approximation for deformed space with minimal length is considered. The Bohr-Sommerfeld quantization rule is obtained. A new interesting feature in presence of deformation is that the WKB approximation is valid for intermediate…

Quantum Physics · Physics 2009-11-11 T. V. Fityo , I. O. Vakarchuk , V. M. Tkachuk

In the paper a review of results for recovering of the weak equivalence principle in a space with deformed commutation relations for operators of coordinates and momenta is presented. Different types of deformed algebras leading to a space…

Quantum Physics · Physics 2023-02-03 Kh. P. Gnatenko , V. M. Tkachuk
‹ Prev 1 2 3 10 Next ›