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- Indian Institute of Technology GandhinagarIN282 papers
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5 papers · 2 filters
Interference-induced splitting of resonances in spontaneous emission
R. Arun
We study the resonance fluorescence from a coherently driven four-level atom in the Y-type configuration. The effects of quantum interference induced by spontaneous emission on the…
Perfect Teleportation, Quantum state sharing and Superdense Coding through a Genuinely Entangled Five-qubit State
Sreraman Muralidharan, Prasanta K. Panigrahi
We investigate the usefulness of a recently introduced five qubit state by Brown $\it et al. \normalfont$ \cite{Brown} for quantum teleportation, quantum state sharing and superden…
A time frequency analysis of wave packet fractional revivals
Suranjana Ghosh, J. Banerji
We show that the time frequency analysis of the autocorrelation function is, in many ways, a more appropriate tool to resolve fractional revivals of a wave packet than the usual ti…
Some intricacies of the momentum operator in quantum mechanics
Utpal Roy, Suranjana Ghosh, Kaushik Bhattacharya
In quantum mechanics textbooks the momentum operator is defined in the Cartesian coordinates and rarely the form of the momentum operator in spherical polar coordinates is discusse…
Entanglement induced Sub-Planck structures
Jitesh R. Bhatt, Prasanta K. Panigrahi, Manan Vyas
We study Wigner function of a system describing entanglement of two cat-states. Quantum interferece arising due to entanglement is shown to produce sub-Planck structures in the pha…