Long-range interacting quantum systems

N Defenu, T Donner, T Macrì, G Pagano, S Ruffo… - Reviews of Modern …, 2023 - APS
In this review recent investigations are summarized of many-body quantum systems with
long-range interactions, which are currently realized in Rydberg atom arrays, dipolar …

Advances in quantum cryptography

S Pirandola, UL Andersen, L Banchi… - Advances in optics …, 2020 - opg.optica.org
Quantum cryptography is arguably the fastest growing area in quantum information science.
Novel theoretical protocols are designed on a regular basis, security proofs are constantly …

Mobility edges in one-dimensional bichromatic incommensurate potentials

X Li, X Li, S Das Sarma - Physical Review B, 2017 - APS
We theoretically study a one-dimensional (1D) mutually incommensurate bichromatic lattice
system, which has been implemented in ultracold atoms to study quantum localization. It has …

Quantum conference key agreement: A review

G Murta, F Grasselli, H Kampermann… - Advanced Quantum …, 2020 - Wiley Online Library
Conference key agreement (CKA), or multipartite key distribution, is a cryptographic task
where more than two parties wish to establish a common secret key. A composition of …

Unconditional security of entanglement-based continuous-variable quantum secret sharing

I Kogias, Y Xiang, Q He, G Adesso - Physical Review A, 2017 - APS
The need for secrecy and security is essential in communication. Secret sharing is a
conventional protocol to distribute a secret message to a group of parties, who cannot …

Mobility edge and intermediate phase in one-dimensional incommensurate lattice potentials

X Li, S Das Sarma - Physical Review B, 2020 - APS
We study theoretically the localization properties of two distinct one-dimensional
quasiperiodic lattice models with a single-particle mobility edge (SPME) separating …

Continuous-variable quantum key distribution with non-Gaussian operations

L Hu, M Al-Amri, Z Liao, MS Zubairy - Physical Review A, 2020 - APS
Continuous-variable quantum key distribution (CV-QKD) provides an effective way to obtain
the high secret key rate, but is limited by practical techniques. To overcome this limitation …

Universal limitations on quantum key distribution over a network

S Das, S Bäuml, M Winczewski, K Horodecki - Physical Review X, 2021 - APS
We consider the distribution of secret keys, both in a bipartite and a multipartite (conference)
setting, via a quantum network and establish a framework to obtain bounds on the …

Detecting entanglement in quantum many-body systems via permutation moments

Z Liu, Y Tang, H Dai, P Liu, S Chen, X Ma - Physical Review Letters, 2022 - APS
Multipartite entanglement plays an essential role in both quantum information science and
many-body physics. Because of the exponentially large dimension and complex geometric …

Fermionic many-body localization for random and quasiperiodic systems in the presence of short-and long-range interactions

DD Vu, K Huang, X Li, S Das Sarma - Physical Review Letters, 2022 - APS
We study many-body localization (MBL) for interacting one-dimensional lattice fermions in
random (Anderson) and quasiperiodic (Aubry-Andre) models, focusing on the role of …