Diagram of system coordinates.
Exciton binding energy vs the disk radius for several values of electric field strength: F = 0, 200, 400, and 600 kV/cm. The inset shows the ratio as a function of the disk radius for F = 100, 200, and 300 kV/cm.
Variations of the exciton lateral Stark shift as a function of the disk radius for different values of the electric field strength.
The exciton Stark shift vs the electric field strength for different confinement regimes R = 1, 2, 3, and 4 nm.
Fit results of: (a) the exciton lateral induced dipole moment , (b) the exciton lateral polarizability , as functions of the disk radius R.
Induced dipole moment p and polarizability .
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