Randomness in quantum mechanics: philosophy, physics and technology
This progress report covers recent developments in the area of quantum randomness, which
is an extraordinarily interdisciplinary area that belongs not only to physics, but also to …
is an extraordinarily interdisciplinary area that belongs not only to physics, but also to …
Arbitrarily small amount of measurement independence is sufficient to manifest quantum nonlocality
The use of Bell's theorem in any application or experiment relies on the assumption of free
choice or, more precisely, measurement independence, meaning that the measurements …
choice or, more precisely, measurement independence, meaning that the measurements …
Forty thousand kilometers under quantum protection
Quantum key distribution (QKD) is a revolutionary cryptography response to the rapidly
growing cyberattacks threat posed by quantum computing. Yet, the roadblock limiting the …
growing cyberattacks threat posed by quantum computing. Yet, the roadblock limiting the …
Ab initio experimental violation of Bell inequalities
The violation of a Bell inequality is the paradigmatic example of device-independent
quantum information: The nonclassicality of the data is certified without the knowledge of the …
quantum information: The nonclassicality of the data is certified without the knowledge of the …
Universal security for randomness expansion from the spot-checking protocol
Colbeck [Ph. D. thesis, 2006] proposed using Bell inequality violations to generate certified
random numbers. While full quantum-security proofs have been given, it remains a major …
random numbers. While full quantum-security proofs have been given, it remains a major …
Randomness amplification under minimal fundamental assumptions on the devices
Recently, the physically realistic protocol amplifying the randomness of Santha-Vazirani
sources producing cryptographically secure random bits was proposed; however, for …
sources producing cryptographically secure random bits was proposed; however, for …
Experimental demonstration of scalable quantum key distribution over a thousand kilometers
A Aliev, V Statiev, I Zarubin, N Kirsanov… - arxiv preprint arxiv …, 2023 - arxiv.org
Secure communication over long distances is one of the major problems of modern
informatics. Classical transmissions are recognized to be vulnerable to quantum computer …
informatics. Classical transmissions are recognized to be vulnerable to quantum computer …
Demonstration of quantum nonlocality in the presence of measurement dependence
Quantum nonlocality stands as a resource for device independent quantum information
processing (DIQIP), such as, for instance, device independent quantum key distribution. We …
processing (DIQIP), such as, for instance, device independent quantum key distribution. We …
Elemental and tight monogamy relations in nonsignaling theories
Physical principles constrain the way nonlocal correlations can be distributed among distant
parties. These constraints are usually expressed by monogamy relations that bound the …
parties. These constraints are usually expressed by monogamy relations that bound the …
Robust device-independent randomness amplification with few devices
Randomness amplification is the task of transforming a source of somewhat random bits into
a source of fully random bits. Although it is impossible to amplify randomness from a single …
a source of fully random bits. Although it is impossible to amplify randomness from a single …