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Pressure- and temperature-dependent EIT studies in a parabolic quantum dot coupled with excitonic effects in a static magnetic field

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Abstract

The present paper analyses the electromagnetically-induced transparency (EIT) in a three-level ladder-type system in an excitonic three-dimensional quantum dot (QD) with a parabolic potential in the presence of a static magnetic field, a resonant probe field and a coupler field. Eigenvalues, wave functions, dipole matrix elements and selection rules of the quantum system are calculated analytically within the effective mass approximation by solving the corresponding Schrödinger equation and taking into consideration both the confinement and Coulomb potentials of the electron–hole pair. To illustrate the interaction with the optical fields, the analytical expressions for the complex electric susceptibility, absorption, dispersion, group index (GI) and the combined effects of external factors such as magnetic field, hydrostatic pressure, temperature and dimensions of the QD are examined.

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Authors and Affiliations

  1. Department of Physics, Swami Shraddhanand College, University of Delhi, Delhi , 110 036, India

    Monica Gambhir & Vinod Prasad

  2. Department of Physics and Astrophysics, University of Delhi, Delhi , 110 007, India

    Varsha

  3. Department of Physics, Kalindi College, University of Delhi, Delhi , 110 008, India

    Varsha

Authors
  1. Monica Gambhir
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  2. Varsha
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  3. Vinod Prasad
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Correspondence to Monica Gambhir.

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Gambhir, M., Varsha & Prasad, V. Pressure- and temperature-dependent EIT studies in a parabolic quantum dot coupled with excitonic effects in a static magnetic field. Pramana - J Phys 96, 81 (2022). https://doi.org/10.1007/s12043-022-02326-x

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  • DOI: https://doi.org/10.1007/s12043-022-02326-x

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