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pro vyhledávání: '"H H Jen"'
Autor:
Chimdessa Gashu Feyisa, H H Jen
Publikováno v:
New Journal of Physics, Vol 26, Iss 9, p 093039 (2024)
Finite-time quantum heat engines operating with working substances of quantum nature are of practical relevance as they can generate finite-power. However, they encounter energy losses due to quantum friction, which is particularly pronounced in many
Externí odkaz:
https://doaj.org/article/d045f0bd553846cdb7776a0fbd769105
Autor:
Chimdessa Gashu Feyisa, H H Jen
Publikováno v:
New Journal of Physics, Vol 26, Iss 3, p 033038 (2024)
Entangled states are an important resource for quantum information processing and for the fundamental understanding of quantum physics. An intriguing open question would be whether entanglement can improve the performance of quantum heat engines in p
Externí odkaz:
https://doaj.org/article/14cb0c68d9b54b85b8f168e7dd313ce9
Publikováno v:
New Journal of Physics, Vol 25, Iss 12, p 123007 (2023)
High-fidelity controlled- Z ( C _Z ) gates are essential and mandatory to build a large-scale quantum computer. In neutral atoms, the strong dipole–dipole interactions between their Rydberg states make them one of the pioneering platforms to implem
Externí odkaz:
https://doaj.org/article/55fe3be2e1324a46bcbb44200ff29019
Publikováno v:
New Journal of Physics, Vol 25, Iss 9, p 093018 (2023)
Coherent quantum control of multiqubit systems represents one of the challenging tasks in quantum science and quantum technology. Here we theoretically investigate the reflectivity spectrum in an atom-nanophotonic cavity with collective nonreciprocal
Externí odkaz:
https://doaj.org/article/d29a6ca4caf2411190ac156d152a344a
Publikováno v:
New Journal of Physics, Vol 24, Iss 11, p 113020 (2022)
Cooling the trapped atoms toward their motional ground states is key to applications of quantum simulation and quantum computation. By utilizing nonreciprocal couplings between two atoms, we present an intriguing dark-state cooling scheme in Λ-type
Externí odkaz:
https://doaj.org/article/cbd116170d1c4116a737f30ccb8ac02b
Autor:
H. H. Jen
Publikováno v:
Scientific Reports, Vol 8, Iss 1, Pp 1-8 (2018)
Abstract We theoretically investigate the far-field scattering properties of multiphoton super- and subradiant states which can be prepared by multiphoton excitations with orbital angular momentum (OAM). Due to multiphoton interference, the far-field
Externí odkaz:
https://doaj.org/article/d879d9a145e240418abcaf76eb3047d9
Enhanced dark-state sideband cooling in trapped atoms via photon-mediated dipole-dipole interactions
Resolved sideband cooling provides a crucial step in subrecoil cooling the trapped atoms toward their motional ground state, which is essential in atom-based quantum technologies. Here we present an enhanced dark-state sideband cooling in trapped ato
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7c1bb8101ce146ba8529dea764175e7
http://arxiv.org/abs/2210.06198
http://arxiv.org/abs/2210.06198
Akademický článek
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The explorations of non-Hermiticity have been devoted to investigate the disorder-induced many-body localization (MBL). However, the sensitivity of the spatial boundary conditions and the interplay of the non-Hermitian skin effect with many-body phen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f458747f2f14c458839f3d86c4eab479
http://arxiv.org/abs/2202.12675
http://arxiv.org/abs/2202.12675
The tapped ions can be cooled close to their motional ground state, which is imperative in implementing quantum computation and quantum simulation. Here we demonstrate the capability of light-mediated chiral couplings between ions, which enables a su
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::989b32ac60786e2b30d18aa3956a4522