Results 31 to 40 of about 16,532,770 (297)

An ultra-high gain single-photon transistor in the microwave regime

open access: yesNature Communications, 2022
Successfully controlling an optical signal by a single gate photon would have great applicability for quantum networks and all-optical computing. Here, the authors realise a single-photon transistor in the microwave regime based on superconducting ...
Zhiling Wang   +11 more
doaj   +1 more source

Observation of a quantum phase transition in the quantum Rabi model with a single trapped ion

open access: yesNature Communications, 2021
Quantum phase transition occurs in many-body systems with abrupt changes in the ground state around zero temperature. Here the authors report signatures of quantum phase transition in single trapped ion that can be described using quantum Rabi model.
M.-L. Cai   +9 more
doaj   +1 more source

Quantum Information Supports Delayed Decisions. [PDF]

open access: yesEntropy (Basel)
Chatbots, search engines and Database Query Systems are invaluable sources of information for decision-making processes in the data-driven world in which we live today. In this study, we explore the extent to which classical and Quantum Query Systems can
Nagy M, Nagy N.
europepmc   +2 more sources

Quantum information theory and the foundations of quantum mechanics [PDF]

open access: yes, 2004
This thesis is a contribution to the debate on the implications of quantum information theory for the foundational problems of quantum mechanics. In Part I an attempt is made to shed some light on the nature of information and quantum information theory.
Timpson, Christopher   +3 more
core   +1 more source

Fisher information as general metrics of quantum synchronization

open access: yes, 2023
Quantum synchronization has emerged as a crucial phenomenon in quantum nonlinear dynamics with potential applications in quantum information processing. Multiple measures for quantifying quantum synchronization exist.
Weijun Fan   +7 more
core   +1 more source

Coherent memory for microwave photons based on long-lived mechanical excitations

open access: yesnpj Quantum Information, 2023
Mechanical resonators, due to their capability to host ultralong-lived phonon modes, are particularly attractive for quantum state storage and as memory elements in conjunction with quantum computing and communication networks.
Yulong Liu   +5 more
doaj   +1 more source

Quantum information outside quantum information

open access: yes, 2023
Quantum theory, as counter-intuitive as a theory can get, has turned out to make predictions of the physical world that match observations so precisely that it has been described as the most accurate physical theory ever devised. Viewing quantum entanglement, superposition and interference not as undesirable necessities but as interesting resources ...
openaire   +3 more sources

Gaussian quantum information [PDF]

open access: yesReviews of Modern Physics, 2012
The science of quantum information has arisen over the last two decades centered on the manipulation of individual quanta of information, known as quantum bits or qubits. Quantum computers, quantum cryptography and quantum teleportation are among the most celebrated ideas that have emerged from this new field.
Weedbrook, Christian   +6 more
openaire   +7 more sources

Deep quantum neural networks on a superconducting processor

open access: yesNature Communications, 2023
Deep learning and quantum computing have achieved dramatic progresses in recent years. The interplay between these two fast-growing fields gives rise to a new research frontier of quantum machine learning.
Xiaoxuan Pan   +12 more
doaj   +1 more source

Quantum Information Scrambling in Adiabatically Driven Critical Systems. [PDF]

open access: yesEntropy (Basel)
Quantum information scrambling refers to the spread of the initially stored information over many degrees of freedom of a quantum many-body system. Information scrambling is intimately linked to the thermalization of isolated quantum many-body systems ...
Puebla R, Gómez-Ruiz FJ.
europepmc   +2 more sources

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