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Quantum communication using a quantum switch of quantum switches
Debarshi Das, Somshubhro Bandyopadhyay
The quantum switch describes a quantum operation in which two or more quantum channels act on a quantum system with the order of application determined by the state of an order qua…
Entanglement cost of discriminating noisy Bell states by local operations and classical communication
Somshubhro Bandyopadhyay, Vincent Russo
Entangled states can help in quantum state discrimination by local operations and classical communication (LOCC). For example, a Bell state is necessary (and sufficient) to perfect…
Genuine activation of nonlocality: From locally available to locally hidden information
Somshubhro Bandyopadhyay, Saronath Halder
Quantum nonlocality has different manifestations that, in general, are revealed by local measurements of the parts of a composite system. In this paper, we study nonlocality arisin…