Fingerprints of the quantum space-time in time-dependent quantum mechanics: An emergent geometric phase
Autor: | Chakraborty, Anwesha, Nandi, Partha, Chakraborty, Biswajit |
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Rok vydání: | 2021 |
Předmět: | |
Zdroj: | Nucl. Phys. B, Volume 975, February 2022, 115691 |
Druh dokumentu: | Working Paper |
DOI: | 10.1016/j.nuclphysb.2022.115691 |
Popis: | 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 $\mathcal{T}$ is studied in Heisenberg picture to compute the expression of geometric phase-shift. Comment: 21 pages, Version 2 contains some correction |
Databáze: | arXiv |
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