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Excitations in doped quantum dot induced by randomly fluctuating magnetic field: influence of impurity

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Abstract.

We explore the excitation profile of a repulsive impurity doped quantum dot under randomly fluctuating magnetic field. We have considered Gaussian impurity centers. The investigation reveals the roles subtly played by the dopant coordinate, dopant strength, and the region of influence of the dopant to modulate the excitation pattern. The rate of transition to the excited states has been invoked to analyze the roles played by the above impurity parameters in influencing the excitation process. Quantum phase space plots are often exploited to support the findings.

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Authors and Affiliations

  1. Department of Physics, Suri Vidyasagar College, Suri, Birbhum 731101, West Bengal, India

    N. K. Datta

  2. Department of Chemistry, Physical Chemistry Section, Visva Bharati University, Santiniketan, Birbhum 731235, West Bengal, India

    M. Ghosh

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  1. N. K. Datta
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Datta, N., Ghosh, M. Excitations in doped quantum dot induced by randomly fluctuating magnetic field: influence of impurity. Eur. Phys. J. B 80, 95–103 (2011). https://doi.org/10.1140/epjb/e2011-10904-9

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  • DOI: https://doi.org/10.1140/epjb/e2011-10904-9

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