2011/01/01 by Frauke Seeßelberg, Xin-Yu Luo, Xinyu Luo +6 · 4 citations
Physics and Astronomy · Psychology · #Advanced Frequency and Time Standards #Atomic physics #Behavioral and Psychological Studies #Bullying, Victimization, and Aggression #Chemical polarity #Child and Adolescent Psychosocial and Emotional Development #Coherence (philosophical gambling strategy) #Cold Atom Physics and Bose-Einstein Condensates #Condensed matter physics #Dipole #Humanities #Light field #Molecular physics #Optics #Philosophy #Physics #Polar #Psychology #Quantum mechanics #Quantum optics and atomic interactions #Trapping #cond-mat.quant-gas #physics.atom-ph
paper · pdf · doi:10.1103/physrevlett.121.253401
published as Phys. Rev. Lett. 121, 253401 (2018) · 10 pages, 8 figures
openalex publication_date 2011/01/01 · arxiv created 2018/12/17 · arxiv updated 2018/12/20 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/01
Superpositions of rotational states in polar molecules induce strong, long-range dipolar interactions. Here we extend the rotational coherence by nearly 1 order of magnitude to 8.7(6) ms in a dilute gas of polar 23Na40K molecules in an optical trap. We demonstrate spin-decoupled magic trapping, which cancels first-order and reduces second-order differential light shifts. The latter is achieved with a dc electric field that decouples nuclear spin, rotation, and trapping light field. We observe density-dependent coherence times, which can be explained by dipolar interactions in the bulk gas.