Basic mechanisms of escape of a harmonically forced classical particle from a potential well
Sign Up to like & getrecommendations! Published in 2019 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-019-04985-9
Abstract: Various models and systems involving the escape of periodically forced particle from the potential well demonstrate a common pattern. The minimal forcing amplitude required for the escape exhibits sharp minimum for the excitation frequency below… read more here.
Keywords: particle potential; potential well; frequency; escape ... See more keywords
Nanostructured potential well/barrier engineering for realizing unprecedentedly large thermoelectric power factors
Sign Up to like & getrecommendations! Published in 2019 at "Materials Today Physics"
DOI: 10.1016/j.mtphys.2019.100159
Abstract: Abstract This work describes, through the semi-classical Boltzmann transport theory and simulation, a novel nanostructured material design that can lead to unprecedentedly high thermoelectric power factors, with improvements of more than an order of magnitude… read more here.
Keywords: power factors; well barrier; barrier engineering; potential well ... See more keywords
Engineering Dielectric Screening for Potential-well Arrays of Excitons in 2D Materials.
Sign Up to like & getrecommendations! Published in 2020 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.0c14696
Abstract: Tailoring of the band gap in semiconductors is essential for the development of novel devices. In standard semiconductors, this modulation is generally achieved through highly energetic ion implantation. In two-dimensional (2D) materials, the photophysical properties… read more here.
Keywords: excitons materials; potential well; arrays excitons; dielectric environment ... See more keywords
Quantized plasmon excitations of electron gas in potential well
Sign Up to like & getrecommendations! Published in 2019 at "Physics of Plasmas"
DOI: 10.1063/1.5078740
Abstract: Using the Schr\"odinger-Poisson system in this paper the basic quantum features of plasmon excitations in a free noninteracting electron gas with arbitrary degeneracy is investigated. The standing wave solution of the free electron gas is… read more here.
Keywords: electron gas; potential well; gas; free electron ... See more keywords
Stochastic dynamics of an active particle escaping from a potential well.
Sign Up to like & getrecommendations! Published in 2020 at "Chaos"
DOI: 10.1063/1.5140853
Abstract: Active matter systems are driven out of equilibrium by the energy directly supplied at the level of constituent active particles that are self-propelled. We consider a model for an active particle in a potential well,… read more here.
Keywords: active particle; stochastic dynamics; potential well; dynamics active ... See more keywords
Multiple sign-changing solutions for nonlinear Schrödinger equations with potential well
Sign Up to like & getrecommendations! Published in 2019 at "Applicable Analysis"
DOI: 10.1080/00036811.2019.1572883
Abstract: We study the existence of sign-changing solutions for the following nonlinear Schrödinger equation where the potential has a potential well with bottom independent of the parameter . We show that as more and more sign-changing… read more here.
Keywords: nonlinear schr; changing solutions; potential well; sign changing ... See more keywords
A skyrmion-based non-volatile racetrack with a potential well structure
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/ac2b63
Abstract: In this paper, we present a new approach to reduce the volatility and chaos of the racetrack based on skyrmions. A multilayer (Pt/Co/Cu/Co) structure is designed, where energy potential wells are created in the upper… read more here.
Keywords: racetrack; potential well; skyrmion based; potential ... See more keywords
Exact solutions of the Schrödinger equation for a class of hyperbolic potential well
Sign Up to like & getrecommendations! Published in 2022 at "Chinese Physics B"
DOI: 10.1088/1674-1056/ac3392
Abstract: We propose a new scheme to study the exact solutions of a class of hyperbolic potential well. We first apply different forms of function transformation and variable substitution to transform the Schrödinger equation into a… read more here.
Keywords: schr dinger; potential well; equation; hyperbolic potential ... See more keywords
Hot electron effects on the operation of potential well barrier diodes
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Semiconductors"
DOI: 10.1088/1674-4926/40/12/122101
Abstract: A study has just been carried out on hot electron effects in GaAs/Al0.3Ga0.7As potential well barrier (PWB) diodes using both Monte Carlo (MC) and drift-diffusion (DD) models of charge transport. We show the operation and… read more here.
Keywords: electron effects; well barrier; potential well; effects operation ... See more keywords
Unidirectional spin transport of a spin-orbit-coupled atomic matter wave using a moving Dirac δ -potential well
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.102.013304
Abstract: We study the transport of a spin-orbit-coupled atomic matter wave using a moving Dirac $\ensuremath{\delta}$-potential well. In a spin-orbit-coupled system, bound states can be formed in both ground and excited energy levels with a Dirac… read more here.
Keywords: potential well; ensuremath; spin; orbit coupled ... See more keywords
Quantum heat engine based on level degeneracy.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review. E"
DOI: 10.1103/physreve.100.012123
Abstract: We study a quantum Stirling cycle which extracts work using quantized energy levels of a potential well. The work and the efficiency of the engine depend on the length of the potential well, and the… read more here.
Keywords: potential well; based level; engine; quantum heat ... See more keywords