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quant-ph2020★ 5 cited
Impossibility of creating a superposition of unknown quantum states
Somshubhro Bandyopadhyay
The superposition principle is fundamental to quantum theory. Yet a recent no-go theorem has proved that quantum theory forbids superposition of unknown quantum states, even with n…
quant-ph2020★ 9 cited
Information-disturbance trade-off in generalized entanglement swapping
Pratapaditya Bej, Arkaprabha Ghosal, Debarshi Das +2
We study information-disturbance trade-off in generalized entanglement swapping protocols wherein starting from Bell pairs and , one performs a…