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    • Keywords


      Rapid forcing; Kapitza pendulum; effective Hamiltonian; quadrupole and Paul traps; strong-field excitations.

    • Abstract


      This review deals with the dynamics of quantum systems that are subject to high frequency external perturbations. Though the problem may look hopelessly time-dependent, and poised on the extreme opposite side of adiabaticity, there exists a `Kapitza Window' over which the dynamics can be treated in terms of effective time-independent Hamiltonians. The consequent results are important in the context of atomic traps as well as quantum optic properties of atoms in intense and high-frequency electromagnetic fields.

    • Author Affiliations


      Malay Bandyopadhyay1 Sushanta Dattagupta1 2 3

      1. S.N. Bose National Centre for Basic Sciences, JD Block, Sector III, Salt Lake, Kolkata 700 098, India
      2. Indian Institute of Science Education & Research, HC-VII, Salt Lake, Kolkata 700 106, India
      3. Jawaharlal Nehru Centre for Advanced Scienti¯c Research, Bangalore 560 064, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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