Results 71 to 80 of about 1,553 (138)

Triple-quantum dual-comb two-dimensional coherent spectroscopy resolves velocity-synchronized Dicke states in hot atomic vapors

open access: yesCommunications Physics
Two-dimensional coherent spectroscopy (2DCS) combined with dual-comb technology offers unprecedented resolution for probing many-body interactions in atomic vapors, yet its application to high-order multi-quantum transitions remains challenging due to ...
Zejiang Deng   +13 more
doaj   +1 more source

Non-monotonic evolution of multipartite entanglement under the Unruh effect

open access: yesPhysics Letters B
We investigate the behavior of tetrapartite entanglement in a four-qubit Dicke state under relativistic motion by employing the Unruh-DeWitt detector model, where one detector undergoes uniform acceleration.
Shu-Min Wu   +5 more
doaj   +1 more source

Dicke Phase Transition with Multiple Superradiant States in Quantum Chaotic Resonators

open access: yesPhysical Review X, 2014
We experimentally investigate the Dicke phase transition in chaotic optical resonators realized with two-dimensional photonics crystals. This setup circumvents the constraints of the system originally investigated by Dicke and allows a detailed study of ...
C. Liu, A. Di Falco, A. Fratalocchi
doaj   +1 more source

Stabilizing steady-state properties of open quantum systems with parameter engineering

open access: yesPhysical Review Research
Realistic quantum systems are affected by environmental loss, which is often seen as detrimental for applications in quantum technologies. Alternatively, weak coupling to an environment can aid in stabilizing highly entangled and mixed states, but ...
Koray Aydoğan   +2 more
doaj   +1 more source

Generating Einstein-Podolsky-Rosen correlations for teleporting collective spin states in a two-dimensional trapped ion crystal

open access: yesPhysical Review Research
We propose the use of phonon-mediated interactions as an entanglement resource to engineer Einstein-Podolsky-Rosen correlations and to perform teleportation of collective spin states in two-dimensional ion crystals. We emulate continuous variable quantum
Muhammad Miskeen Khan   +6 more
doaj   +1 more source

Observation of Superradiant Bursts in a Cascaded Quantum System

open access: yesPhysical Review X
We experimentally investigate the collective radiative decay of a fully inverted ensemble of two-level atoms for a chiral, i.e., propagation direction-dependent light-matter coupling.
Christian Liedl   +5 more
doaj   +1 more source

Extending the Self-Discharge Time of Dicke Quantum Batteries Using Molecular Triplets

open access: yesPRX Energy
Quantum batteries, quantum systems for energy storage, have gained interest due to their potential scalable charging power density. A quantum battery proposal based on the Dicke model has been explored using organic microcavities, which enable a cavity ...
Daniel J. Tibben   +6 more
doaj   +1 more source

Corrigendum: Simple sufficient condition for subspace to be completely or genuinely entangled (2021 New J. Phys. 23 103016)

open access: yesNew Journal of Physics, 2021
Maciej Demianowicz   +2 more
doaj   +1 more source

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