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    • Keywords


      Rabi oscillation; four-level system; collapse and revival.

    • Abstract


      We have exactly solved a model of equidistant cascade four-level system interacting with a single-mode radiation field both semiclassically and quantum mechanically by exploiting its similarity with Jaynes-Cummings model. For the classical field, it is shown that the Rabi oscillation of the system initially in the first level (second level) is similar to that of the system when it is initially in the fourth level (third level). We then proceed to solve the quantized version of the model where the dressed state is constructed using a six-parameter four-dimensional matrix and show that the symmetry exhibited in the Rabi oscillation of the system for the semiclassical model is completely destroyed on the quantization of the cavity field. Finally, we have studied the collapse and revival of the system for the cavity field-mode in a coherent state to discuss the restoration of symmetry and its implication is discussed.

    • Author Affiliations


      Mihir Ranjan Nath1 Tushar Kanti Dey1 Surajit Sen1 Gautam Gangopadhyay2

      1. Department of Physics, Guru Charan College, Silchar 788 004, India
      2. S N Bose National Centre for Basic Sciences, JD Block, Sector III, Salt Lake City, Kolkata 700 098, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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