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Two-electron quantum ring in short pulses |
Poonam Silotiaa, Rakesh Kumar Meenab, Vinod Prasadb |
a Department of Physics and Astrophysics, University of Delhi, Delhi-110007, India; b Department of Physics, Swami Shraddhanand College, University of Delhi, Delhi-110036, India |
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Abstract The response of a two-electron quantum ring system to the short laser pulses of different shapes in the presence of external static electric field is studied. The variation of transition probabilities of the two-electron quantum ring from ground state to excited states with a number of parameters is shown and explained. The energy levels and wavefunctions of the system in the presence of static electric field are found by solving the time-independent Schrödinger equation numerically by the finite difference method. The shape of the pulse plays a dominant role on the dynamics.
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Received: 11 June 2014
Revised: 25 August 2014
Accepted manuscript online:
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PACS:
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03.65.Ge
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(Solutions of wave equations: bound states)
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78.67.-n
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(Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures)
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78.20.Bh
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(Theory, models, and numerical simulation)
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Corresponding Authors:
Poonam Silotia, Rakesh Kumar Meena, Vinod Prasad
E-mail: psilotia.du@gmail.com;rakeshbasmeena@gmail.com;vprasad@ss.du.ac.in
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Cite this article:
Poonam Silotia, Rakesh Kumar Meena, Vinod Prasad Two-electron quantum ring in short pulses 2015 Chin. Phys. B 24 020303
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