Binding energy and photoionization cross section of hydrogen-like donor impurity in cylindrical InAs Pöschl-Teller quantum layer in magnetic field

2010 ◽  
Author(s):  
M. G. Barseghyan ◽  
Alireza Hakimyfard ◽  
Marwan Zuhair ◽  
C. A. Duque ◽  
A. A. Kirakosyan
Keyword(s):  
Magnetic Field ◽  
Binding Energy ◽  
Cross Section ◽  
Photoionization Cross Section ◽  
Donor Impurity

THE PHOTOIONIZATION CROSS-SECTION AND BINDING ENERGY OF IMPURITIES IN QUANTUM WIRES: EFFECTS OF THE ELECTRIC AND MAGNETIC FIELD

2004 ◽  
Vol 11 (04n05) ◽  
pp. 411-417 ◽  
Author(s):  
E. KASAPOGLU ◽  
H. SARI ◽  
U. YESILGÜL ◽  
I. SÖKMEN
Keyword(s):  
Magnetic Field ◽  
Binding Energy ◽  
Cross Section ◽  
Quantum Wires ◽  
Photoionization Cross Section ◽  
Impurity Position ◽  
Hydrogenic Donor Impurity ◽  
Quantum Well Wire ◽  
Hydrogenic Donor ◽  
Electric And Magnetic Field

Using a variational approach, we have calculated the impurity position dependence of the photoionizaton cross-section and the binding energy for a hydrogenic donor impurity in a quantum well wire in the presence of the electric and magnetic field as a function of the photon energy. Our calculations have revealed the dependence of the photoionizaton cross-section and the impurity binding on the applied electric and magnetic field, and the impurity position.

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