Ladder approximation in coupled quantum-well systems
نویسندگان
چکیده
منابع مشابه
Quasi Synchronization Phenomena in Coupled Chaotic Systems as a Ladder
Some chaotic systems have two coexisting attractors depending on initial values in same parameters. In these systems, changing parameters causes switching phenomena of coexisting attractors. In this study, we investigate switching phenomena in coupled chaotic systems as a ladder. We define a quasi synchronization and confirmed the quasi synchronization phenomena in proposed systems.
متن کاملHole-spin dynamics and hole g-factor anisotropy in coupled quantum well systems
Due to its p-like character, the valence band in GaAs-based heterostructures offers rich and complex spindependent phenomena. One manifestation is the large anisotropy of Zeeman spin splitting. Using undoped, coupled quantum wells (QWs), we examine this anisotropy by comparing the hole-spin dynamics for highand low-symmetry crystallographic orientations of the QWs. We directly measure the hole ...
متن کاملCold exciton gases in coupled quantum well structures.
Cold exciton gases can be implemented in coupled quantum well structures. In this contribution, we review briefly the recent works on spontaneous coherence of cold excitons and on trapping of cold excitons with laser light.
متن کاملQuantum measurements of coupled systems
We propose an approach to measuring coupled systems, which gives a parametrically smaller error than the conventional fast projective measurements. The measurement error is due to the excitations being not entirely localized on individual systems even where the excitation energies are different. Our approach combines spectral selectivity of the detector with temporal resolution and uses the ide...
متن کاملLadder Operators for Quantum Systems Confined by Dihedral Angles
We report the identification and construction of raising and lowering operators for the complete eigenfunctions of isotropic harmonic oscillators confined by dihedral angles, in circular cylindrical and spherical coordinates; as well as for the hydrogen atom in the same situation of confinement, in spherical, parabolic and prolate spheroidal coordinates. The actions of such operators on any eig...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review B
سال: 2001
ISSN: 0163-1829,1095-3795
DOI: 10.1103/physrevb.63.125320