Zobrazeno 1 - 10 of 275 pro vyhledávání: '"Olivier, Dulieu"'
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Laser-Assisted Self-Induced Feshbach resonance for ultracold polar molecule formation
Autor: Adrien, Devolder, Eliane, Luc-Koenig, Osman, Atabek, Michèle, Desouter-Lecomte, Olivier, Dulieu
Publikováno v: Phys. Rev. A 100, 052703 (2019)
We propose a new type of Feshbach resonance occurring when two different ultracold atoms in their ground state undergo an s-wave collision in the presence of a continuous-wave laser light. The atoms collide in the dissociation continuum of the molecu
Externí odkaz: http://arxiv.org/abs/1902.00323
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2
Akademický článek
Charge transfer of polyatomic molecules in ion-atom hybrid traps: Stereodynamics in the millikelvin regime
Autor: Alexandre Voute, Alexander Dörfler, Laurent Wiesenfeld, Olivier Dulieu, Fabien Gatti, Daniel Peláez, Stefan Willitsch
Publikováno v: Physical Review Research, Vol 5, Iss 3, p L032021 (2023)
Rate constants for the charge-transfer reaction between N_{2}H^{+} and Rb in the millikelvin regime are measured in an ion-atom hybrid trap and are found to be lower than the Langevin capture limit. Multireference ab initio computation of the potenti
Externí odkaz: https://doaj.org/article/d1741458725e4506a33d7cb89f13d4a6
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3
Akademický článek
Two-photon optical shielding of collisions between ultracold polar molecules
Autor: Charbel Karam, Romain Vexiau, Nadia Bouloufa-Maafa, Olivier Dulieu, Maxence Lepers, Mara Meyer zum Alten Borgloh, Silke Ospelkaus, Leon Karpa
Publikováno v: Physical Review Research, Vol 5, Iss 3, p 033074 (2023)
We propose a method to engineer repulsive long-range interactions between ultracold ground-state molecules using optical fields, thus preventing short-range collisional losses. It maps the microwave coupling recently used for collisional shielding on
Externí odkaz: https://doaj.org/article/1e5f9f9bb6654fc98f6831c9cc29ef86
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4
Akademický článek
Coherent multidimensional spectroscopy of dilute gas-phase nanosystems
Autor: Lukas Bruder, Ulrich Bangert, Marcel Binz, Daniel Uhl, Romain Vexiau, Nadia Bouloufa-Maafa, Olivier Dulieu, Frank Stienkemeier
Publikováno v: Nature Communications, Vol 9, Iss 1, Pp 1-7 (2018)
Coherent multidimensional spectroscopy has greatly advanced our understanding of molecular dynamics but was so far broadly limited to complex condensed phase probes. Bruder et al. extend the method to isolated nanosystems in the gas phase and study c
Externí odkaz: https://doaj.org/article/d2b9804ef9cc4e6db1467ff0306e6c0f
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6
Akademický článek
Life and death of a cold BaRb^{+} molecule inside an ultracold cloud of Rb atoms
Autor: Amir Mohammadi, Artjom Krükow, Amir Mahdian, Markus Deiß, Jesús Pérez-Ríos, Humberto da Silva, Jr., Maurice Raoult, Olivier Dulieu, Johannes Hecker Denschlag
Publikováno v: Physical Review Research, Vol 3, Iss 1, p 013196 (2021)
We study the evolution of a cold single BaRb^{+} molecule while it continuously collides with ultracold Rb atoms. The initially weakly bound molecule can undergo a sequence of elastic, inelastic, reactive, and radiative processes. We investigate thes
Externí odkaz: https://doaj.org/article/a3c388d74b4146f1a688d32daf6f569f
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7
Akademický článek
Characterization of the lowest electronically excited-state ro-vibrational level of 23Na87Rb
Autor: Junyu He, Junyu Lin, Romain Vexiau, Nadia Bouloufa-Maafa, Olivier Dulieu, Dajun Wang
Publikováno v: New Journal of Physics, Vol 23, Iss 11, p 115003 (2021)
Starting from an ultracold sample of ground-state ^23 Na ^87 Rb molecules, we investigate the lowest ro-vibrational level of the b ^3 Π state with high resolution laser spectroscopy. This electronic spin-forbidden X ^1 Σ ^+ ↔ b ^3 Π transition f
Externí odkaz: https://doaj.org/article/04639a8b3fd749868d50a199a5860e3c
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