Search Results - "Lévai, Géza"

Potentials from the Polynomial Solutions of the Confluent Heun Equation by Lévai, Géza

“…Polynomial solutions of the confluent Heun differential equation (CHE) are derived by identifying conditions under which the infinite power series expansions…”
Get full text

PT -Symmetric Potentials from the Confluent Heun Equation by Lévai, Géza

“…We derive exactly solvable potentials from the formal solutions of the confluent Heun equation and determine conditions under which the potentials possess PT…”
Get full text

PT Symmetry in Natanzon-class Potentials by Lévai, Géza

“…The conditions under which P T symmetry can be applied to the general six-parameter Natanzon potential class are investigated. For this the transformation of…”
Get full text

Nuclear Shape-Phase Transitions and the Sextic Oscillator by Lévai, Géza, Arias, José M.

“…This review delves into the utilization of a sextic oscillator within the β degree of freedom of the Bohr Hamiltonian to elucidate critical-point solutions in…”
Get full text

Unified Supersymmetric Description of Shape-Invariant Potentials within and beyond the Natanzon Class by Soltész, Tibor, Pethő, Levente Ferenc, Lévai, Géza

“…The transformations of supersymmetric quantum mechanics are discussed within a formalism that employs a six-parameter function, from which the superpotential…”
Get full text

Orbital Regularity of Exoplanets and the Symmetries of the Kepler Problem by Cseh, József, Dang, Phong, Szilágyi, Sándor, Lévai, Géza

“…We investigate the question whether or not the orbitals of exoplanets follow the symmetry-governed sequence found by Barut from the dynamical group of the…”
Get full text

Schrödinger equations with indefinite effective mass by Znojil, Miloslav, Lévai, Géza

Get full text

Three Solvable Matrix Models of a Quantum Catastrophe by Lévai, Géza, Růžička, František, Znojil, Miloslav

“…Three classes of finite-dimensional models of quantum systems exhibiting spectral degeneracies called quantum catastrophes are described in detail…”
Get full text

ON THE COMMON LIMIT OF THE PT-SYMMETRIC ROSEN–MORSE II AND FINITE SQUARE WELL POTENTIALS by Kovács, József, Lévai, Géza

“…Two PT-symmetric potentials are compared, which possess asymptotically finite imaginary components: the PT-symmetric Rosen-Morse II and the finite PT-symmetric…”
Get full text

Asymptotically vanishing PT -symmetric potentials and negative-mass Schrödinger equations by Znojil, Miloslav, Siegl, Petr, Lévai, Géza

“…In paper I [M. Znojil, G. Lévai, Phys. Lett. A 271 (2000) 327] we introduced the Coulomb–Kratzer bound-state problem in its crypto-Hermitian, PT -symmetric…”
Get full text

P T ${\mathcal {PT}}$ Symmetry in Natanzon-class Potentials by Lévai, Géza

Get full text

Asymptotic Properties of Solvable $\mathcal{PT}$ -Symmetric Potentials by Lévai, Géza

Get full text

Asymptotic Properties of Solvable -Symmetric Potentials by Lévai, Géza

“…The asymptotic region of potentials has strong impact on their general properties. This problem is especially interesting for -symmetric potentials, the real…”
Get full text

Nuclear Physics in Atomki in the 21st Century by Fülöp, Zsolt, Lévai, Géza

“…Some twenty minutes' walk from the center of Debrecen, Hungary's second largest city, there stands a complex of three two-storeyed red-brick buildings…”
Get full text

Asymptotically vanishing -symmetric potentials and negative-mass Schrödinger equations by Znojil, Miloslav, Siegl, Petr, Lévai, Géza

Get full text

Supersymmetry Without Hermiticity by Lévai, Géza

Get full text

The Coulomb – harmonic oscillator correspondence in [formula omitted] symmetric quantum mechanics by Znojil, Miloslav, Lévai, Géza

“…We show that and how the Coulomb potential V(x)=Z e 2/x can be regularized and solved exactly at the imaginary coupling Z e 2 . The new spectrum of energies is…”
Get full text

Exact Analytic Study of the PT-Symmetry-Breaking Mechanism by Lévai, Géza

Get full text

Conditionally exactly solvable potentials and supersymmetric transformations by Lévai, Géza, Roy, Pinaki

“…A general procedure is presented to construct conditionally exactly solvable (CES) potentials using the techniques of supersymmetric quantum mechanics. The…”
Get full text

Schroedinger equations with indefinite effective mass by Znojil, Miloslav, Lévai, Géza

“…Phys. Lett. A 376 (2012) 3000 - 3005 The consistency of the concept of quantum (quasi)particles possessing effective mass which is both position- and…”
Get full text