All our former experience with application of quantum theory seems to say that what is
predicted by quantum formalism must occur in the laboratory. But the essence of quantum …

Bell's 1964 theorem, which states that the predictions of quantum theory cannot be
accounted for by any local theory, represents one of the most profound developments in the …

We review recent progress on the information paradox. We explain why exponentially small
correlations in the radiation emitted by a black hole are sufficient to resolve the original …

Device-independent quantum key distribution (DI-QKD) is often seen as the ultimate key
exchange protocol in terms of security, as it can be performed securely with uncharacterised …

This article presents a general discussion of several aspects of our present understanding of
quantum mechanics. The emphasis is put on the very special correlations that this theory …

Causality is a seminal concept in science: Any research discipline, from sociology and
medicine to physics and chemistry, aims at understanding the causes that could explain the …

We investigate the trade-off between information gain and disturbance for von Neumann
measurements on spin-1 2 particles, and derive the measurement pointer state that …

The monogamy relation of quantum states has limited the shareability properties of quantum
resources in multiparty quantum systems. It plays a vital role in information distribution and …

Monogamy inequalities for the way bipartite Einstein-Podolsky-Rosen (EPR) steering can be
distributed among N systems are derived. One set of inequalities is based on witnesses with …

Quantum Cryptography: Key Distribution and Beyond Page 1 Quantum Cryptography: Key
Distribution and Beyond Akshata Shenoy-Hejamadi 1, Anirban Pathak 2 & Srikanth …