Correlation Effect of Two Donors in a Nano Dot under the Influence of Magneticfield

Authors M.S.S. Saravanakumaar, G. Gurubalan, K. Kalyanakumaresa Pandian

Department of Physics, Saraswathi Narayanan College, Madurai-625022, India

Issue Volume 8, Year 2016, Number 2
Dates Received 17 March 2016; published online 21 June 2016
Citation M.S.S. Saravanakumaar, G. Gurubalan, K. Kalyanakumaresa Pandian, J. Nano- Electron. Phys. 8 No 2, 02023 (2016)
DOI 10.21272/jnep.8(2).02023
PACS Number(s) 73.20 Dx, 73.21. – b
Keywords Nano dot, Binding energy (7) , Variational method (2) .
Annotation Magnetic field induced binding energy of two donors in a parabolic GaAs/AlGaAs nano dot is reported. The calculations are carried out using variation ansatz within the single band effective mass approximation. The binding energy is estimated for different inter-impurity distances in the presence of magnetic field. The correlation effect of two donors is introduced through the wave function. It is found that inter-impurity distance, correlation of donors and the magnetic field strength make the electron more binding.

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