Heisenberg's uncertainty principle forms a fundamental element of quantum mechanics.
Uncertainty relations in terms of entropies were initially proposed to deal with conceptual …

The concept of randomness plays an important part in many disciplines. On the one hand,
the question of whether random processes exist is fundamental for our understanding of …

Quantum cryptography achieves a formidable task—the remote distribution of secret keys by
exploiting the fundamental laws of physics. Quantum cryptography is now headed towards …

Secret communication over public channels is one of the central pillars of a modern
information society. Using quantum key distribution this is achieved without relying on the …

Abstract In 2012, Aaronson and Christiano introduced the idea of hidden subspace states to
build public-key quantum money STOC'12. Since then, this idea has been applied to realize …

The recent launch of the Micius quantum-enabled satellite heralds a major step forward for
long-range quantum communication. Using single-photon discrete-variable quantum states …

We ask the question whether entropy accumulates, in the sense that the operationally
relevant total uncertainty about an n-partite system A=(A_1, ... A_n) A=(A 1,… A n) …

The uncertainty principle can be expressed in entropic terms, also taking into account the
role of entanglement in reducing uncertainty. The information exclusion principle bounds …

In this work we present a security analysis for quantum key distribution, establishing a
rigorous tradeoff between various protocol and security parameters for a class of …

Unclonable encryption, first introduced by Broadbent and Lord (TQC'20), is a one-time
encryption scheme with the following security guarantee: any non-local adversary (A, B, C) …