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quant-ph2022★ 16 cited
Stochastic resets in the context of a tight-binding chain driven by an oscillating field
Sushanta Dattagupta, Debraj Das, Shamik Gupta
In this work, we study in the framework of the so-called driven tight-binding chain (TBC) the issue of quantum unitary dynamics interspersed at random times with stochastic resets…
quant-ph2021★ 27 cited
Quantum unitary evolution interspersed with repeated non-unitary interactions at random times: The method of stochastic Liouville equation, and two examples of interactions in the context of a tight-binding chain
Debraj Das, Sushanta Dattagupta, Shamik Gupta
In the context of unitary evolution of a generic quantum system interrupted at random times with non-unitary evolution due to interactions with either the external environment or a…
quant-ph2021★ 18 cited
Quantum random walk and tight-binding model subject to projective measurements at random times
Debraj Das, Shamik Gupta
What happens when a quantum system undergoing unitary evolution in time is subject to repeated projective measurements to the initial state at random times? A question of general i…