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Snehasish Roy Chowdhury on Muck Rack

Snehasish Roy Chowdhury

As seen in: Physical Review B
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Articles

Quantum Nonlocality: Multicopy Resource Interconvertibility and Their Asymptotic Inequivalence

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By Subhendu B. Ghosh, Snehasish Roy Chowdhury, Arup Roy, Guruprasad Kar
| Physical Review B
Quantum nonlocality, pioneered in Bell’s seminal work and subsequently verified through a series of experiments, has drawn substantial attention due to its practical applications in various protocols. Evaluating and comparing the extent of nonlocality within distinct quantum correlations holds significant practical relevance.
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Minimum detection efficiencies for loophole-free genuine nonlocality tests

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By Subhendu B. Ghosh, Arup Roy, Snehasish Roy Chowdhury, Ranendu Adhikary
| Physical Review B
Abstract The certification of quantum nonlocality, which has immense significance in designing device-independent technologies, confronts severe experimental challenges. Detection loopholes, originating from the unavailability of perfect detectors, are one of the major issues among them. In the present study we focus on the minimum detection efficiency (MDE) required to detect various forms of genuine nonlocality, originating from the type of causal constraints imposed on the involved parties.
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