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Browsing Department of Physics by Subject "Quantum kicked systems"

Browsing Department of Physics by Subject "Quantum kicked systems"

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  • Classical Representation of a Quantum System at Equilibrium 
    Dutta, Sandipan (Wiley, 2012-01)
    A quantum system at equilibrium is represented by a corresponding classical system, chosen to reproduce the thermodynamic and structural properties. The objective is to develop a means for exploiting strong coupling classical ...
  • Effective time-independent analysis for quantum kicked systems 
    Bandyopadhyay, Jayendra N.; Sarkar, Tapomoy Guha (APS, 2015-03)
    We present a mapping of potentially chaotic time-dependent quantum kicked systems to an equivalent approximate effective time-independent scenario, whereby the system is rendered integrable. The time evolution is factorized ...
  • Finite-temperature quantum effects on confined charges 
    Dutta, Sandipan (APS, 2016-11)
    A quantum system of N Coulomb charges confined within a harmonic trap is considered over a wide range of densities and temperatures. A recently described construction of an equivalent classical system is applied in order ...
  • Floquet analysis of a fractal-spectrum-generating periodically driven quantum system 
    Bandyopadhyay, Jayendra N.; Sarkar, Tapomoy Guha (APS, 2018-10)
    We employ Floquet analysis to study the spectral properties of a double-kicked top (DKT) system. This is a classically nonintegrable dynamical system, which also shows chaos. However, even for the underlying classically ...
  • Floquet engineering of Lie algebraic quantum systems 
    Bandyopadhyay, Jayendra N. (APS, 2022-01)
    We propose a “Floquet engineering” formalism to systematically design a periodic driving protocol in order to stroboscopically realize the desired system starting from a given static Hamiltonian. The formalism is applicable ...

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