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

E. Kasapoglu, H. Sari, U. Yesilgül and I. Sökmen
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E. Kasapoglu: Cumhuriyet University, Physics Department, 58140 Sivas, Turkey
H. Sari: Cumhuriyet University, Physics Department, 58140 Sivas, Turkey
U. Yesilgül: Cumhuriyet University, Physics Department, 58140 Sivas, Turkey
I. Sökmen: Cumhuriyet University, Physics Department, 58140 Sivas, Turkey;

Surface Review and Letters (SRL), 2004, vol. 11, issue 04n05, 411-417

Abstract: 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.

Keywords: Photoionization; quantum well wires; impurity; 73.20.Dx; 73.20.Hb; 71.55.Eq (search for similar items in EconPapers)
Date: 2004
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DOI: 10.1142/S0218625X04006347

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