News from the world of BECs and ultracold gases. *** account was recently hijacked ***
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Mach-Zehnder atom interferometry with non-interacting trapped BECs
"...Our work demonstrates a benchmark result in the coherent manipulation of a BEC between fully trapped spatial modes. The techniques we report opens new paths for quantum sensing..."
rdcu.be/ffoKP
Ultracold Atoms News retweeted
I think there should be a law that limits the number of lies the President is allowed to give.
Ultracold Atoms News retweeted
Our search for a junior faculty position in AMO Experiment at Columbia is out! Pls apply! Pls spread the word! We are looking forward to exciting applications Link: apply.interfolio.com/156216
Ultracold Atoms News retweeted
Nature Communications is recruiting an Editor with a PhD in atomic, molecular, and optical physics. This role can be based in New York, Jersey City, Philadelphia, Washington DC, Beijing, Nanjing or Shanghai. If you're interested, drop me a private message 📨
“…we report an experimental observation of the out-of-equilibrium dynamics of a degenerate Fermi gas in the cavity after quenching the pump strength over a superradiant quantum phase transition…”
Original paper: doi.org/10.1103/PhysRevLett.…
“.. we demonstrate dipolar spin-exchange interactions between single calcium monofluoride (CaF) molecules trapped in an optical tweezer… we obtained a Bell state fidelity of 0.89(6)…”
Original paper: science.org/doi/10.1126/scie…
“..Using the electric dipolar interaction between pairs of molecules prepared by using a reconfigurable optical tweezer array, we deterministically created Bell pairs of molecules..”
Original paper: science.org/doi/10.1126/scie…
“.. Here, the quantum information is encoded in either of the three qubit manifolds and can be shuttled between them… we realize a nondestructive state detection for 171-Yb, incorporating global control and local feed-forward operations..”
Paper: doi.org/10.1103/PhysRevX.13.…
“.. This work establishes a clear methodology for designing and verifying error-robust control solutions for atom interferometers, and opens a novel pathway towards ruggedized cold-atom sensors for deployment in real-world environments…”
Original paper: doi.org/10.1038/s41467-023-4…
“..we report…the first simultaneous production of a dual-species BEC in space… We have further achieved the first spaceborne demonstration of simultaneous atom interferometry with two atomic species…”
Original paper: doi.org/10.1038/s41586-023-0…
“… we have demonstrated single-atom trapping and high-fidelity imaging of Dy on the intercombination line in tweezers rendered magic by fine tuning the tweezer polarization…”
Original paper: doi.org/10.1103/PhysRevLett.…
“…Our results confirm two predictions of Landau’s Fermi-liquid theory: the shift in polaron energy due to mediated interactions, which is linear in the concentration of impurities; and its sign inversion with impurity quantum statistics…”
Nature Physics: doi.org/10.1038/s41567-023-0…
Ultracold Atoms News retweeted
Job Alert!
I am hiring a PDRA to work on a new K-Rb quantum-mixture experiment exploring vortex dynamics in binary superfluids @EQOP @PhysicsStrath. See bit.ly/QuantumFluidsPDRA or contact me @drlabgnome for more details. Please share!
Ultracold Atoms News retweeted
The @OxfordPhysics & @unihh team published in @ScienceMagazine. We quench 2D Bose gases across the BKT transition and probe the relaxation dynamics with matter-wave interferometry; we found that the scaling behaviour is consistent with real-time RG theory.
science.org/doi/10.1126/scie…
“…Trapping a Bose-Einstein condensate (BEC) in an optical lattice, researchers confirm a 53-year-old theory that connects BECs to superfluids and supersolids…”
SYNOPSIS: physics.aps.org/articles/v16…
ORIGINAL PAPER: doi.org/10.1103/PhysRevLett.…
“….This work establishes metastable 171-Yb as a promising platform for realizing fault-tolerant quantum computing.”
Nature - High-fidelity gates and mid-circuit erasure conversion in an atomic qubit
doi.org/10.1038/s41586-023-0…
“Can a gas behave like a crystal?…”
Nature Reviews Physics - Supersolidity in ultracold dipolar gases
doi.org/10.1038/s42254-023-0…
Nature - A quantum engine in the BEC–BCS crossover
doi.org/10.1038/s41586-023-0…