Results 11 to 20 of about 65,461 (314)

Communicating quantum processes [PDF]

open access: yesProceedings of the 32nd ACM SIGPLAN-SIGACT symposium on Principles of programming languages, 2005
We define a language CQP (Communicating Quantum Processes) for modelling systems which combine quantum and classical communication and computation. CQP combines the communication primitives of the pi-calculus with primitives for measurement and transformation of quantum state; in particular, quantum bits (qubits) can be transmitted from process to ...
Gay, S.J., Nagarajan, R.
openaire   +5 more sources

Random-Receiver Quantum Communication [PDF]

open access: yes, 2021
We introduce the task of random-receiver quantum communication, in which a sender transmits a quantum message to a receiver selected from a list of n spatially separated parties.
Banik, M   +4 more
core   +1 more source

Quantum collapse, consciousness and superluminal communication [PDF]

open access: yes, 2004
The relation between quantum collapse, consciousness and superluminal communication is analyzed. As we know, quantum collapse, if exists, can result in the appearance of quantum nonlocality, and requires the existence of a pre- ferred Lorentz frame. This
Gao, Shan, Gao Shan
core   +1 more source

Optical Free-Space Communication on Earth and in Space regarding Quantum Cryptography Aspects [PDF]

open access: yes, 2010
Mobile FSO Communication links have gained signi cant at- tention over the last years due to their increasing maturity. They are used in point to point link scenarios where the high gain in power efficiency and datarate is crucial, compared to state-of ...
Fuchs, Christian   +3 more
core   +1 more source

Covert Quantum Communication [PDF]

open access: yesPhysical Review Letters, 2016
We extend covert communication to the quantum regime by showing that covert quantum communication is possible over optical channels with noise arising either from the environment or from the sender's lab. In particular, we show that sequences of qubits can be transmitted covertly by using both a single photon and a coherent state encoding. We study the
Arrazola, Juan Miguel, Scarani, Valerio
openaire   +3 more sources

Advances in Quantum Communication and Information [PDF]

open access: yes, 2020
Research in quantum communication requires knowledge of the information theory and teleportation of information in any physical form using the quantum field as media of all different processes and aspects on the managing of their information, their boson

core   +1 more source

Two-Way Covert Quantum Communication in the Microwave Regime [PDF]

open access: yes, 2021
| openaire: EC/H2020/862644/EU//QUARTETQuantum communication addresses the problem of exchanging information across macroscopic distances by employing encryption techniques based on quantum-mechanical laws.
Di Candia, R.   +3 more
core   +1 more source

A new entropic quantum correlation measure for adversarial systems

open access: yesScientific Reports, 2023
Quantum correlation often refers to correlations exhibited by two or more local subsystems under a suitable measurement. These correlations are beyond the framework of classical statistics and the associated classical probability distribution.
Biveen Shajilal   +3 more
doaj   +1 more source

On Global Quantum Communication Networking. [PDF]

open access: yesEntropy (Basel), 2020
Research in quantum communications networks (QCNs), where multiple users desire to generate or transmit common quantum-secured information, is still in its beginning stage.
Djordjevic IB.
europepmc   +2 more sources

Multiparameter Estimation with Two-Qubit Probes in Noisy Channels

open access: yesEntropy, 2023
This work compares the performance of single- and two-qubit probes for estimating several phase rotations simultaneously under the action of different noisy channels.
Lorcán O. Conlon   +2 more
doaj   +1 more source

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