Probing van der Waals interactions and detecting polar molecules by F\"orster resonance energy transfer with Rydberg atoms at temperatures below 100 mK

• URL: http://arxiv.org/abs/2211.09880v1
• Date: Thu, 17 Nov 2022 20:35:57 GMT
• Title: Probing van der Waals interactions and detecting polar molecules by F\"orster resonance energy transfer with Rydberg atoms at temperatures below 100 mK
• Authors: J. Zou and S. D. Hogan
• Abstract summary: Electric-field-controlled F"orster resonance energy transfer (FRET) between Rydberg helium (He) atoms and ground-state ammonia (NH$_3$) molecules has been studied. Experiments were performed in an intrabeam collision apparatus with pulsed supersonic beams of NH$_3$ seeded in He.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Electric-field-controlled F\"orster resonance energy transfer (FRET) between Rydberg helium (He) atoms and ground-state ammonia (NH$_3$) molecules has been studied at translational temperatures below 100 mK. The experiments were performed in an intrabeam collision apparatus with pulsed supersonic beams of NH$_3$ seeded in He. A range of F\"orster resonances, between triplet Rydberg states in He with principal quantum numbers of 38, 39 and 40, and the inversion intervals in NH$_3$ were investigated. Resonance widths as low as $100\pm20$ MHz were observed for Rydberg-Rydberg transitions with electric dipole transition moments of 3270 D. These widths result from binary collisions at a mean center-of-mass speed of $19.3\pm2.6$ m/s. For transitions in which the initially prepared Rydberg states were strongly polarized, with large induced static electric dipole moments, van der Waals interactions between the collision partners increased the resonance widths to $\sim750$ MHz. From measurements of the rate of FRET for the narrowest resonances observed, a density of NH$_3$ of $(9.4\pm0.3)\times10^{9}$ cm$^{-3}$ in the upper ground-state inversion sublevel in the interaction region of the apparatus was determined non-destructively.

Related papers

• Towards the "puzzle" of Chromium dimer Cr$_2$: predicting the Born-Oppenheimer rovibrational spectrum [44.99833362998488]
  This paper calculates the potential energy curve for the state $X1Sigma+$ of the Cr$$$ dimer. It is found for the first time for the whole range of internuclear distances $R$.
  arXiv  Detail & Related papers  (2024-01-06T17:00:12Z)
• Ion-molecule reactions below 1~K: Observation of a strong enhancement of the reaction rate of the ion-dipole reaction He$^+$+ CH$_3$F [55.41644538483948]
  Reaction between He$+$ and CH$_3$F forming predominantly CH$+$ and CHF$+$. To avoid heating of the ions by stray electric fields, the reaction was observed within the orbit of a highly excited Rydberg electron.
  arXiv  Detail & Related papers  (2021-12-22T17:32:43Z)
• Cavity-enhanced Ramsey spectroscopy at a Rydberg-atom-superconducting-circuit interface [0.0]
  coherent interaction of Rydberg helium atoms with microwave fields exploited. Resonant resonance frequency and quality factor determined with atoms acting as microscopic quantum sensors.
  arXiv  Detail & Related papers  (2020-11-23T11:05:24Z)
• Spin-polarized fermions with $p$-wave interactions [0.0]
  We study quantum degenerate Fermi gases of $6$Li atoms at high densities ($1015$ cm$-3$) We observe elastic and inelastic $p$-wave collisions far away from any Feshbach resonance.
  arXiv  Detail & Related papers  (2020-09-13T04:05:36Z)
• Electrically tuned hyperfine spectrum in neutral Tb(II)(Cp$^{\rm{iPr5}}$)$_2$ single-molecule magnet [64.10537606150362]
  Both molecular electronic and nuclear spin levels can be used as qubits. In solid state systems with dopants, an electric field was shown to effectively change the spacing between the nuclear spin qubit levels. This hyperfine Stark effect may be useful for applications of molecular nuclear spins for quantum computing.
  arXiv  Detail & Related papers  (2020-07-31T01:48:57Z)
• A Weakly-Interacting Many-Body System of Rydberg Polaritons Based on Electromagnetically Induced Transparency [0.0]
  We experimentally verified the mean field approach to weakly-interacting Rydberg polaritons. The DDI-induced phase shift or attenuation can be viewed as a consequence of the elastic or in collisions among the Rydberg polaritons. The observations demonstrate that the elastic collisions are sufficient to drive the thermalization process in this weakly-interacting many-body system.
  arXiv  Detail & Related papers  (2020-06-24T07:28:37Z)
• Optical Magnetometer: Quantum Resonances at pumping repetition rate of 1/n of the Larmor frequency [58.720142291102135]
  Quantum sub-resonances at a repetition rate of $1/n$ of the Larmor frequency of the magnetic field inside the shield are experimentally observed and theoretically explained. Investigations in single alkali atoms cells as well as mixed alkali atoms of K and Rb are presented.
  arXiv  Detail & Related papers  (2020-02-20T09:14:56Z)
• Hyperfine and quadrupole interactions for Dy isotopes in DyPc$_2$ molecules [77.57930329012771]
  Nuclear spin levels play an important role in understanding magnetization dynamics and implementation and control of quantum bits in lanthanide-based single-molecule magnets. We investigate the hyperfine and nuclear quadrupole interactions for $161$Dy and $163$Dy nucleus in anionic DyPc$.
  arXiv  Detail & Related papers  (2020-02-12T18:25:31Z)
• Rydberg-State-Resolved Resonant Energy Transfer in Cold Electric-Field-Controlled Intrabeam Collisions of NH$_3$ with Rydberg He Atoms [0.0]
  The resonant transfer of energy from the inversion sublevels in NH$_3$ to He atoms in triplet Rydberg states has been controlled. Experiments were performed in pulsed supersonic beams of NH$_3$ seeded in He at a ratio of 1:19.
  arXiv  Detail & Related papers  (2020-01-23T10:50:43Z)
• Optimal coupling of HoW$_{10}$ molecular magnets to superconducting circuits near spin clock transitions [85.83811987257297]
  We study the coupling of pure and magnetically diluted crystals of HoW$_10$ magnetic clusters to microwave superconducting coplanar waveguides. Results show that engineering spin-clock states of molecular systems offers a promising strategy to combine sizeable spin-photon interactions with a sufficient isolation from unwanted magnetic noise sources.
  arXiv  Detail & Related papers  (2019-11-18T11:03:06Z)

This list is automatically generated from the titles and abstracts of the papers in this site.

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.