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Two new methods for investigation of two-dimensional quantum systems, whose Hamiltonians are not amenable to separation of variables, are proposed. 1)The first one - $SUSY-$ separation of variables - is based on the intertwining relations…

High Energy Physics - Theory · Physics 2008-11-26 F. Cannata , M. V. Ioffe , D. N. Nishnianidze

Different ways to incorporate two-dimensional systems, which are not amenable to separation of variables, into the framework of Supersymmetrical Quantum Mechanics (SUSY QM) are analyzed. In particular, the direct generalization of…

High Energy Physics - Theory · Physics 2008-11-26 M. V. Ioffe

Two known 2-dim SUSY quantum mechanical constructions - the direct generalization of SUSY with first-order supercharges and Higher order SUSY with second order supercharges - are combined for a class of 2-dim quantum models, which {\it are…

High Energy Physics - Theory · Physics 2008-11-26 M. V. Ioffe , J. Mateos Guilarte , P. A. Valinevich

Second order supersymmetric approach is taken to the system describing motion of a quantum particle in a potential endowed with position-dependent effective mass. It is shown that the intertwining relations between second order partner…

Quantum Physics · Physics 2008-11-26 A. Ganguly , L. M. Nieto

Two-dimensional Scarf~II quantum model is considered in the framework of Supersymmetrical Quantum Mechanics (SUSY QM). Previously obtained results for this integrable system are systematized, and some new properties are derived. In…

Quantum Physics · Physics 2016-02-10 M. V. Ioffe , E. V. Kolevatova , D. N. Nishnianidze

A second shape invariance property of the two-dimensional generalized Morse potential is discovered. Though the potential is not amenable to conventional separation of variables, the above property allows to build purely algebraically part…

High Energy Physics - Theory · Physics 2009-11-11 F. Cannata , M. V. Ioffe , D. N. Nishnianidze

New solutions for second-order intertwining relations in two-dimensional SUSY QM are found via the repeated use of the first order supersymmetrical transformations with intermediate constant unitary rotation. Potentials obtained by this…

High Energy Physics - Theory · Physics 2009-11-10 M. V. Ioffe , P. A. Valinevich

Recently, a new quantum model - two-dimensional generalization of the Scarf II - was completely solved analytically by SUSY method for the integer values of parameter. Now, the same integrable model, but with arbitrary values of parameter,…

High Energy Physics - Theory · Physics 2015-06-04 M. V. Ioffe , E. V. Krupitskaya , D. N. Nishnianidze

Quantum Hamilton-Jacobi Theory and supersymmetric quantum mechanics (SUSYQM) are two parallel methods to determine the spectra of a quantum mechanical systems without solving the Schr\"odinger equation. It was recently shown that the shape…

High Energy Physics - Theory · Physics 2009-11-13 Charles Cherqui , Yevgeny Binder , Asim Gangopadhyaya

The supersymmetrical approach is used to analyse a class of two-dimensional quantum systems with periodic potentials. In particular, the method of SUSY-separation of variables allowed us to find a part of the energy spectra and the…

High Energy Physics - Theory · Physics 2008-11-26 M. V. Ioffe , J. Mateos Guilarte , P. A. Valinevich

A class of integrable 2-dim classical systems with integrals of motion of fourth order in momenta is obtained from the quantum analogues with the help of deformed SUSY algebra. With similar technique a new class of potentials connected with…

solv-int · Physics 2008-11-26 A. A. Andrianov , M. V. Ioffe , D. N. Nishnianidze

The general solution of SUSY intertwining relations for three-dimensional Schr\"odinger operators is built using the class of second order supercharges with nondegenerate constant metric. This solution includes several models with arbitrary…

High Energy Physics - Theory · Physics 2009-06-12 F. Cannata , M. V. Ioffe , D. N. Nishnianidze

We study SUSY-intertwining for non-Hermitian Hamiltonians with special emphasis to the two-dimensional generalized Morse potential, which does not allow for separation of variables. The complexified methods of SUSY-separation of variables…

High Energy Physics - Theory · Physics 2009-11-10 F. Cannata , M. V. Ioffe , D. N. Nishnianidze

New two-dimensional quantum model - the generalization of the Scarf II - is completely solved analytically for the integer values of parameter. This model being not amenable to conventional procedure of separation of variables is solved by…

High Energy Physics - Theory · Physics 2015-06-03 M. V. Ioffe , E. V. Krupitskaya , D. N. Nishnianidze

Higher dimensional supersymmetric quantum mechanics is studied. General properties of the two dimensional case are presented. For three spatial dimesions or higher, a spin structure is shown to arise naturally from the nonrelativistic…

High Energy Physics - Theory · Physics 2015-06-26 Ashok Das , Sergio. A. Pernice

Supersymmetric quantum mechanics (SUSY QM) is a powerful tool for generating new potentials with known spectra departing from an initial solvable one. In these lecture notes we will present some general formulas concerning SUSY QM of first…

Quantum Physics · Physics 2011-09-06 David J. Fernandez C

A gauge invariant mathematical formalism based on deformation quantization is outlined to model an $\mathcal{N}=2$ supersymmetric system of a spin $1/2$ charged particle placed in a nocommutative plane under the influence of a vertical…

Mathematical Physics · Physics 2024-07-02 Md. Rafsanjany Jim , S. Hasibul Hassan Chowdhury

The multidimensional N=4 supersymmetric quantum mechanics (SUSY QM) is constructed using the superfield approach. As a result, the component form of the classical and quantum Lagrangian and Hamiltonian is obtained. In the considered SUSY QM…

High Energy Physics - Theory · Physics 2009-10-31 E. E. Donets , A. Pashnev , J. Juan Rosales , M. M. Tsulaia

The new method based on the SUSY algebra with supercharges of higher order in derivatives is proposed to search for dynamical symmetry operators in 2-dim quantum and classical systems. These symmetry operators arise when closing the SUSY…

solv-int · Physics 2008-02-03 A. A. Andrianov , M. V. Ioffe , D. N. Nishnianidze

Quantum mechanics of models is considered which are constructed in spaces with Lie algebra type commutation relations between spatial coordinates. The case is specialized to that of the group SU(2), for which the formulation of the problem…

High Energy Physics - Theory · Physics 2009-03-24 Amir H. Fatollahi , Ahmad Shariati , Mohammad Khorrami
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