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5 papers · 2 filters
Quantum Dynamics under continuous projective measurements: non-Hermitian description and the continuous space limit
Varun Dubey, Cedric Bernardin, Abhishek Dhar
The problem of the time of arrival of a quantum system in a specified state is considered in the framework of the repeated measurement protocol and in particular the limit of conti…
Quantum signatures of chaos in a cavity-QED-based stimulated Raman adiabatic passage
Amit Dey
A nonlinear stimulated Raman adiabatic passage (STIRAP) is a fascinating physical process that dynamically explores chaotic and non-chaotic phases. In a recent paper Phys. Rev. Res…
The quantum Ising chain for beginners
Glen Bigan Mbeng, Angelo Russomanno, Giuseppe E. Santoro
We present here various techniques to work with clean and disordered quantum Ising chains, for the benefit of students and non-experts. Starting from the Jordan-Wigner transformati…
Emergence of chaos and controlled photon transfer in a cavity-QED network
Amit Dey, Manas Kulkarni
We develop optimal protocols for efficient photon transfer in a cavity-QED network. This is executed through stimulated Raman adiabatic passage (STIRAP) scheme, where time-varying…
Emergent symmetry in a double-quantum-dot circuit QED set-up
Archak Purkayastha, Manas Kulkarni, Yogesh N. Joglekar
Open classical and quantum systems with effective parity-time () symmetry, over the past five years, have shown tremendous promise for advances in lasers, sensing, an…