Towards chemistry at absolute zero

BR Heazlewood, TP Softley - Nature Reviews Chemistry, 2021 - nature.com
The prospect of cooling matter down to temperatures that are close to absolute zero raises
intriguing questions about how chemical reactivity changes under these extreme conditions …

Laser-cooled molecules

NJ Fitch, MR Tarbutt - Advances in atomic, molecular, and optical Physics, 2021 - Elsevier
The last few years have seen rapid progress in the application of laser cooling to molecules.
In this review, we examine what kinds of molecules can be laser cooled, how to design a …

Magneto-optical trapping and sub-Doppler cooling of a polyatomic molecule

NB Vilas, C Hallas, L Anderegg, P Robichaud… - Nature, 2022 - nature.com
Laser cooling and trapping,, and magneto-optical trapping methods in particular, have
enabled groundbreaking advances in science, including Bose–Einstein condensation …

Direct laser cooling of a symmetric top molecule

D Mitra, NB Vilas, C Hallas, L Anderegg… - Science, 2020 - science.org
Ultracold polyatomic molecules have potentially wide-ranging applications in quantum
simulation and computation, particle physics, and quantum chemistry. For atoms and small …

Cold and ultracold molecules in the twenties

TP Softley - Proceedings of the Royal Society A, 2023 - royalsocietypublishing.org
A diversity of experimental techniques has been developed over the last 25 years to create
samples of molecular gases at temperatures close to the Absolute Zero—here we consider …

An optical tweezer array of ultracold polyatomic molecules

NB Vilas, P Robichaud, C Hallas, GK Li, L Anderegg… - Nature, 2024 - nature.com
Polyatomic molecules have rich structural features that make them uniquely suited to
applications in quantum information science,–, quantum simulation,–, ultracold chemistry …

Magnetic trapping of an ultracold gas of polar molecules

DJ McCarron, MH Steinecker, Y Zhu, D DeMille - Physical review letters, 2018 - APS
We demonstrate the efficient transfer of molecules from a magneto-optical trap into a
conservative magnetic quadrupole trap. Our scheme begins with a blue-detuned optical …

1D magneto-optical trap of polyatomic molecules

L Baum, NB Vilas, C Hallas, BL Augenbraun, S Raval… - Physical review …, 2020 - APS
We demonstrate a 1D magneto-optical trap of the polar free radical calcium monohydroxide
(CaOH). A quasiclosed cycling transition is established to scatter∼ 10 3 photons per …

Even-denominator fractional quantum Hall states in bilayer graphene

JIA Li, C Tan, S Chen, Y Zeng, T Taniguchi… - Science, 2017 - science.org
The distinct Landau level spectrum of bilayer graphene (BLG) is predicted to support a non-
abelian even-denominator fractional quantum Hall (FQH) state similar to the 5 2 state first …

Magnetic trapping and coherent control of laser-cooled molecules

HJ Williams, L Caldwell, NJ Fitch, S Truppe… - Physical review …, 2018 - APS
We demonstrate coherent microwave control of the rotational, hyperfine, and Zeeman states
of ultracold CaF molecules, and the magnetic trapping of these molecules in a single …