Chin. Phys. Lett.  2007, Vol. 24 Issue (4): 1058-1061    DOI:
Original Articles |
Effect of Hydrostatic Pressure on Interband Transitions in Coupled Quantum Wires
E. Kasapoglu1;M. Gunes1;I. Sokmen2
1Department of Physics, Cumhuriyet University, 58140 Sivas, Turkey2Department of Physics, Dokuz Eylul University, 35160 Izmir, Turkey
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E. Kasapoglu, M. Gunes, I. Sokmen 2007 Chin. Phys. Lett. 24 1058-1061
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Abstract We calculate the exciton binding energy and interband optical absorption in a rectangular coupled quantum wire under the hydrostatic pressure in the effective-mass approximation, using the variational approach. It is found that the interband optical absorption strongly depend on the hydrostatic pressure and the coupling parameter, and that the magnitude of the absorption coefficient for the HH1--E1 transition in the coupled quantum wire is larger than that of the single quantum wire.
Keywords: 73.20.Dx      73.20.Hb      71.55.Eq     
Received: 30 October 2006      Published: 26 March 2007
PACS:  73.20.Dx  
  73.20.Hb (Impurity and defect levels; energy states of adsorbed species)  
  71.55.Eq (III-V semiconductors)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2007/V24/I4/01058
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E. Kasapoglu
M. Gunes
I. Sokmen
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