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quant-ph2022★ 17 cited
Generalised quantum speed limit for arbitrary time-continuous evolution
Dimpi Thakuria, Abhay Srivastav, Brij Mohan +2
The quantum speed limit describes how quickly a quantum system can evolve in time from an initial state to a final state under a given dynamics. Here, we derive a generalised quant…
quant-ph2022
Local PT-symmetric evolutions on separable states and violation of no-signaling
Asmita Kumari, Ujjwal Sen
We show that local PT-symmetric evolutions can lead to violation of the no-signaling principle for separable and even classically correlated bipartite shared quantum states. For cl…