anwesha chakraborty - Academia.edu (original) (raw)
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Papers by anwesha chakraborty
Nuclear Physics B
We show the emergence of Berry phase in a forced harmonic oscillator system placed in the quantum... more We show the emergence of Berry phase in a forced harmonic oscillator system placed in the quantum space-time of Moyal type, where the time 't ' is also an operator. An effective commutative description of the system gives a time dependent generalised harmonic oscillator system with perturbation linear in position and momentum. The system is then diagonalised to get a generalised harmonic oscillator and then its adiabatic evolution over time-period T is studied in Heisenberg picture to compute the expression of geometric phaseshift.
International Journal of Computer Sciences and Engineering
Communicating Science: A Global Perspective
Nuclear Physics B
We show the emergence of Berry phase in a forced harmonic oscillator system placed in the quantum... more We show the emergence of Berry phase in a forced harmonic oscillator system placed in the quantum space-time of Moyal type, where the time 't ' is also an operator. An effective commutative description of the system gives a time dependent generalised harmonic oscillator system with perturbation linear in position and momentum. The system is then diagonalised to get a generalised harmonic oscillator and then its adiabatic evolution over time-period T is studied in Heisenberg picture to compute the expression of geometric phaseshift.
International Journal of Computer Sciences and Engineering
Communicating Science: A Global Perspective