Solving complex eigenvalue problems on a quantum annealer with applications to quantum scattering resonances

A Teplukhin, BK Kendrick, D Babikov - Physical Chemistry Chemical …, 2020 - pubs.rsc.org
Quantum computing is a new and rapidly evolving paradigm for solving chemistry problems.
In previous work, we developed the Quantum Annealer Eigensolver (QAE) and applied it to …

Giant effective electron-magnon coupling in a nonmagnetic metal–ferromagnetic insulator heterostructure

G Li, H Jin, Y Wei, J Wang - Physical Review B, 2022 - APS
Magnon-mediated spin transport across a nonmagnetic metal (NM) and ferromagnetic
insulator (FI) interface depends critically on electron-magnon coupling. We propose a route …

Smooth double barriers in quantum mechanics

A Dutt, S Kar - American Journal of Physics, 2010 - pubs.aip.org
Quantum mechanical tunneling across smooth double barrier potentials is modeled using
Gaussian functions and is analyzed numerically and by using the WKB approximation. The …

An atomic Fabry–Perot interferometer using a pulsed interacting Bose–Einstein condensate

P Manju, KS Hardman, PB Wigley, JD Close… - Scientific reports, 2020 - nature.com
We numerically demonstrate atomic Fabry–Perot resonances for a pulsed interacting Bose–
Einstein condensate (BEC) source transmitting through double Gaussian barriers. These …

Spatial quasi-bound states of Dirac electrons in graphene monolayer

M Miniya, O Oubram, AG El Hachimi… - Scientific Reports, 2024 - nature.com
Our study investigated the emergence of spatial quasi-bound states (QBSs) in graphene
monolayers induced by rectangular potential barriers. By solving the time-independent Dirac …

Resonant states and transmission coefficient oscillations for potential wells and barriers

AU Maheswari, P Prema, CS Shastry - American Journal of Physics, 2010 - pubs.aip.org
The oscillatory behavior of the transmission coefficient T as a function of energy is examined
for an attractive square well and a rectangular barrier. We calculate T using resonant state …

Tunneling gravimetry

P Schach, A Friedrich, JR Williams… - EPJ Quantum …, 2022 - epjqt.epj.org
We examine the prospects of utilizing matter-wave Fabry–Pérot interferometers for
enhanced inertial sensing applications. Our study explores such tunneling-based sensors …

[HTML][HTML] A unified theory of quasibound states

CA Moyer - AIP Advances, 2014 - pubs.aip.org
We report a formalism for the study of quasibound states, defined here broadly as those
states having a connectedness to true bound states through the variation of some physical …

Electronic transmission and dwell time on a double barrier system with an accelerating quantum well

S Aktas, M Yilmaz - Physica E: Low-dimensional Systems and …, 2016 - Elsevier
Resonant tunneling quantum structures consist of asymmetric wells and barriers have been
investigated to find their optimized geometrical parameters and potential profile by the …

Morphology-Dependent Resonances in Two Concentric Spheres with Variable Refractive Index in the Outer Layer: Analytic Solutions

U Nuntaplook, JA Adam - Applied Mechanics, 2021 - mdpi.com
In many applications constant or piecewise constant refractive index profiles are used to
study the scattering of plane electromagnetic waves by a spherical object. When the …