Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Marius Romuald Kamsap"'
1
Localized nonlinear dissipative matter waves controlled by quantum fluctuations
Autor: Marius Romuald Kamsap, Thierry Blanchard Ekogo, Timoleon Crepin Kofane, Gleann Juvet Ngounga Makoundit, A. B. Moubissi, Maïk Delon Mboumba
Publikováno v: Indian Journal of Physics. 95:391-398
The dynamics of matter waves in a trapped Bose–Einstein condensate including three-body losses, atomic feeding and quantum fluctuations is investigated theoretically and numerically. We use a generalized variational approach which allows us to expr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1668386d87bec27b183171b850abea21
https://doi.org/10.1007/s12648-020-01712-8
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2
Correcting symmetry imperfections in linear multipole traps
Autor: Caroline Champenois, Marius Romuald Kamsap, Martina Knoop, Jofre Pedregosa-Gutierrez, Marie Houssin
Publikováno v: Review of Scientific Instruments
Review of Scientific Instruments, American Institute of Physics, 2018, 89, pp.123101. ⟨10.1063/1.5075496⟩
Review of Scientific Instruments, 2018, 89, pp.123101. ⟨10.1063/1.5075496⟩
International audience; Multipole radio-frequency traps are central to collisional experiments in cryogenic environments. They also offer possibilities to generate new type of ion crystals topologies and in particular the potential to create infinite
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a325e4f375062064a047616c79a2ea51
https://pubmed.ncbi.nlm.nih.gov/30599634
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3
Generation of localized patterns in two-component condensates trapped in variable shape optical lattices
Autor: Gleann Juvet Ngounga Makoundit, Thierry Blanchard Ekogo, A. B. Moubissi, Maïk Delon Mboumba, Marius Romuald Kamsap, Timoleon Crepin Kofane
Publikováno v: Chaos, Solitons & Fractals. 139:110025
In this work, we discuss the generation of modulational instability in two component Bose-Einstein condensates loaded in deformable shape external optical potentials. As theoretical analysis, we use the time-dependent variational approach which allow
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::da10f8bdac43e791fde97967d7d7bb98
https://doi.org/10.1016/j.chaos.2020.110025
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4
Symmetry breaking in linear multipole traps
Autor: Caroline Champenois, Jofre Pedregosa-Gutierrez, Martina Knoop, Gaetan Hagel, Marie Houssin, Marius Romuald Kamsap
Publikováno v: Journal of Modern Optics
Journal of Modern Optics, Taylor & Francis, 2018, 65 (5-6), pp.529-537. ⟨10.1080/09500340.2017.1408866⟩
Journal of Modern Optics, Taylor & Francis, 2017, ⟨10.1080/09500340.2017.1408866⟩
Journal of Modern Optics, 2017, ⟨10.1080/09500340.2017.1408866⟩
Journal of Modern Optics, 2018, 65 (5-6), pp.529-537. ⟨10.1080/09500340.2017.1408866⟩
International audience; Radiofrequency multipole traps have been used for some decades in cold collision experiments, and are gaining interest for precision spectroscopy due to their low mi-cromotion contribution, and the predicted unusual cold-ion s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::30539f26e3dc2248574e7aa0a573f62a
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5
Fast and efficient transport of large ion clouds
Autor: M. Houssin, Jofre Pedregosa-Gutierrez, Caroline Champenois, Marius Romuald Kamsap, Didier Guyomarc'H, Martina Knoop
Publikováno v: Physical Review A
Physical Review A, 2015, 92, pp.043416. ⟨10.1103/PhysRevA.92.043416⟩
Physical Review A, American Physical Society 2015, 92, pp.043416. ⟨10.1103/PhysRevA.92.043416⟩
The manipulation of trapped charged particles by electric fields is an accurate, robust, and reliable technique for many applications or experiments in high-precision spectroscopy. The transfer of an ion sample between multiple traps allows the use o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::edf0138aec30fda1706a77902d9656e4
https://hal.science/hal-01154665/document
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6
Fast accumulation of ions in a dual trap
Autor: Marie Houssin, Caroline Champenois, Martina Knoop, Jofre Pedregosa-Gutierrez, Marius Romuald Kamsap
Publikováno v: EPL-Europhysics Letters
EPL-Europhysics Letters, 2015, 110 (6), pp.63002. ⟨10.1209/0295-5075/110/63002⟩
EPL-Europhysics Letters, European Physical Society/EDP Sciences/Società Italiana di Fisica/IOP Publishing, 2015, 110 (6), pp.63002. ⟨10.1209/0295-5075/110/63002⟩
International audience; Transporting charged particles between different traps has become an important feature in high-precision spectroscopy experiments of different types. In many experiments in atomic and molecular physics, the optical probing of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4a406fa4cdf3ff925735cca0bac1e005
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7
Ion transport in macroscopic RF linear traps
Autor: Marius Romuald Kamsap, Jofre Pedregosa-Gutierrez, Caroline Champenois, Martina Knoop
Publikováno v: International Journal of Mass Spectrometry
International Journal of Mass Spectrometry, 2015, 381-382, pp.33
International Journal of Mass Spectrometry, Elsevier, 2015, 381-382, pp.33
Efficient transport of cold atoms or ions is a subject of increasing concern in many experimental applications reaching from quantum information processing to frequency metrology. For the scalable quantum computer architectures based on the shuttling
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::054ed0cb0350e79ca2dce8d927994fd3
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8
Coherent internal state transfer by three-photon STIRAP-like scheme for many-atom samples
Autor: Gaetan Hagel, Martina Knoop, Jofre Pedregosa-Gutierrez, Thierry Blanchard Ekogo, Marius Romuald Kamsap, Caroline Champenois, Olivier Morizot, M. Houssin
Publikováno v: Journal of Physics B: Atomic, Molecular and Optical Physics
Journal of Physics B: Atomic, Molecular and Optical Physics, IOP Publishing, 2013, 46, pp.145502. ⟨10.1088/0953-4075/46/14/145502⟩
Journal of Physics B: Atomic, Molecular and Optical Physics, IOP Publishing, 2013, 46 (14), pp.145502
Journal of Physics B: Atomic, Molecular and Optical Physics, 2013, 46 (14), pp.145502. ⟨10.1088/0953-4075/46/14/145502⟩
A STIRAP-like scheme is proposed to exploit a three-photon resonance taking place in alkaline-earth-metal ions. This scheme is designed for state transfer between the two fine structure components of the metastable D-state which are two excited state
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::805867302d28b20cb920b810fa246da4
https://hal.archives-ouvertes.fr/hal-00821041/document
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9
Experimental demonstration of an efficient number diagnostic for long ion chains
Autor: Caroline Champenois, Simon Mahler, Jofre Pedregosa-Gutierrez, Marius Romuald Kamsap, Martina Knoop, M. Houssin
Publikováno v: ResearcherID
HAL
Very long, one-dimensional (1D) ion chains are the basis for many applications, in particular in quantum information processing and reliable diagnostics are needed to quantify them. To that purpose, we have experimentally validated Dubin's model for
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f6133e573a196d17a9d66b033b1eb495
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=CCC&KeyUT=CCC:000400011300009&KeyUID=CCC:000400011300009
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