The effect of magnetic field in a GaAs/AlAs spherical quantum dot with a hydrogenic impurity

Küçük Resim Yok

Tarih

2009

Dergi Başlığı

Dergi ISSN

Cilt Başlığı

Yayıncı

Elsevier

Erişim Hakkı

info:eu-repo/semantics/closedAccess

Özet

Using a variational procedure within the effective-mass approximation we calculate the binding and normalized binding energies of a hydrogenic donor impurity in a GaAs/AlAs spherical quantum dot, under the action of homogeneous magnetic field (B) over right arrow (0, 0, B) directed along the z-axis. A proper choice of the dot radius and the magnetic field can largely change the normalized binding energy NEbB of a central hydrogenic impurity in the spherical quantum dot, which may be used to feel the small change in the dot radius. (C) 2008 Elsevier B.V. All rights reserved.

Açıklama

Anahtar Kelimeler

Turning Point, Spherical Dot, Impurity, Normalized Binding Energy, Magnetic Field, Binding-Energy, Electric-Field, Donor States, Shallow Donors, Polarizabilities, Dependence

Kaynak

Physica E-Low-Dimensional Systems & Nanostructures

WoS Q Değeri

Q3

Scopus Q Değeri

Q2

Cilt

41

Sayı

4

Künye