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We use the Nikiforov-Uvarov method to calculate the bound states (energy spectra and wave functions) of a two-dimensional (2D) electron gas interacted with an exactly solvable pseudoharmonic confinement potential in a strong uniform…

Mesoscale and Nanoscale Physics · Physics 2011-11-11 Sameer M. Ikhdair

We study the spectral properties of electron quantum dots (QDs) confined in 2D parabolic harmonic oscillator influenced by external uniform electrical and magnetic fields together with an Aharonov-Bohm (AB) flux field. We use the…

Mesoscale and Nanoscale Physics · Physics 2012-09-26 Sameer M. Ikhdair , Majid Hamzavi , Ramazan Sever

We study the effects of the perpendicular magnetic and Aharonov-Bohm (AB) flux fields on the energy levels of a two-dimensional (2D) Klein-Gordon (KG) particle subjects to equal scalar and vector pseudo-harmonic oscillator (PHO). We…

Quantum Physics · Physics 2012-12-10 Sameer M. Ikhdair , Majid Hamzavi

We explore the effect of the external magnetic and Aharonov-Bohm (AB) flux fields on the energy levels of Dirac particle subjects to mixed scalar and vector anharmonic oscillator field in the two-dimensional (2D) space. We calculate the…

Quantum Physics · Physics 2014-02-03 Majid Hamzavia , Sameer M. Ikhdair , Babatunde J. Falaye

A 2D Schrodinger equation with interacting Mobius square potential model is solved using Nikiforov-Uvarov Functional Analysis (NUFA) formalism. The energy spectra and the corresponding wave function for the linearly and exponentially…

We study the spherical quantum pseudodots in the Schrodinger equation using the pseudo-harmonic plus harmonic oscillator potentials considering the effect of the external electric and magnetic fields. The finite energy levels and the wave…

Quantum Physics · Physics 2019-04-15 Mahdi Eshghi , Sameer M. Ikhdair

Internal energies, enthalpies, phonon dispersion curves, and superconductivity of atomic metallic hydrogen are calculated. The (standard) use pseudopotentials in density-functional theory are compared with full (Coulomb)-potential…

Materials Science · Physics 2019-12-05 Jin Zhang , Jeffrey M. McMahon

We theoretically study the subband structure of single Si $\delta$-doped GaAs inserted in a quantum well and subject to an electric field applied along the growth direction. We use an efficient self-consistent procedure to solve…

Condensed Matter · Physics 2009-10-22 Jose A. Cuesta , Angel Sanchez , y Francisco Dominguez-Adame

In this work, the thermodynamic property of pseudoharmonic potential in the presence of external magnetic and AB fields is investigated. We used effective Boltzmann factor within the superstatistics formalism to obtain the thermodynamic…

Quantum Physics · Physics 2019-10-28 A. N. Ikot , U. S. Okorie , G. Osobonye , P. O. Amadi , C. O. Edet , G. J. Rampho , R. Sever

In a recent paper published in this Journal, Khordad and collaborators [J Low Temp Phys (2018) 190:200] have studied the thermodynamics properties of a GaAs double ring-shaped quantum dot under external magnetic and electric fields. In that…

Mesoscale and Nanoscale Physics · Physics 2024-03-19 Andrés G. Jirón Vicente , Luis B. Castro , Angel E. Obispo , Luis E. Arroyo Meza

We demonstrate local detection of the electron temperature in a two-dimensionalmicrodomain using a quantum dot. Our method relies on the observation that a temperature bias across the dot changes the functional form of Coulomb-blockade…

Mesoscale and Nanoscale Physics · Physics 2012-06-04 Simone Gasparinetti , Fabio Deon , Giorgio Biasiol , Lucia Sorba , Fabio Beltram , Francesco Giazotto

We develop a temperature dependent empirical pseudopotential theory to study the electronic and optical properties of self-assembled quantum dots (QDs) at finite temperature. The theory takes the effects of both lattice expansion and…

Materials Science · Physics 2015-06-04 Jianping Wang , Ming Gong , Guang-Can Guo , Lixin He

While the dynamics for three-dimensional axially symmetric two-electron quantum dots with parabolic confinement potentials is in general non-separable we have found an exact separability with three quantum numbers for specific values of the…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 R. G. Nazmitdinov , N. S. Simonovic , Jan M. Rost

In this paper, we investigate the influence of a screw dislocation on the energy levels and the wavefunctions of an electron confined in a two-dimensional pseudoharmonic quantum dot under the influence of an external magnetic field inside a…

Mesoscale and Nanoscale Physics · Physics 2016-11-23 Cleverson Filgueiras , Moisés Rojas , Gilson Aciole , Edilberto O. Silva

Explicit and analytical bound-state solutions of the Schrodinger equation for squared-form trigonometric potentials within the framework of supersymmetric quantum mechanics (SUSYQM) are performed by implementing the Nikiforov-Uvarov (NU)…

Quantum Physics · Physics 2023-08-23 Metin Aktas

The energy levels of the Schr\"odinger equation under the Eckart-Hellmann potential (EHP) energy function are studied by the Nikiforov-Uvarov-Functional Analysis (NUFA) method. We obtained the analytic solution of the energy spectra and the…

Quantum Physics · Physics 2022-04-12 E. P. Inyang , E. S. William , E. Omugbe , E. P. Inyang , E. A. Ibanga , F. Ayedun , I. O. Akpan , J. E. Ntibi

By using the wave function ansatz method, we study the energy eigenvalues and wave function for any arbitrary $m$-state in two-dimensional Schr\"{o}dinger wave equation with various power interaction potentials in constant magnetic and…

Quantum Physics · Physics 2014-12-23 Sameer M. Ikhdair , Babatunde J. Falaye , Majid Hamzavi

Exact solution of Schrodinger equation for the pseudoharmonic potential is obtained for an arbitrary angular momentum. The energy eigenvalues and corresponding eigenfunctions are calculated by Nikiforov-Uvarov method. Wavefunctions are…

Quantum Physics · Physics 2008-11-26 Cevdet Tezcan , Metin Aktas , Ozlem Yesiltas Ramazan Sever

In this study, we apply the parametric Nikiforov-Uvarov method to obtain the bound state solution of Schrodinger wave equation in the presence of Kratzer plus generalized Morse potential (KPGM). The energy eigen equation and the…

We use an SU(2) mean-field theory approach with input from variational wavefunctions of the t-J model to study the electronic spectra in the pseudogap phase of cuprates. In our model, the high-temperature state of underdoped cuprates is…

Superconductivity · Physics 2009-05-12 Samuel Bieri , Dmitri Ivanov
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