Polyatomic molecules as quantum sensors for fundamental physics

NR Hutzler - Quantum Science and Technology, 2020 - iopscience.iop.org
Precision measurements in molecules have advanced rapidly in recent years through
developments in techniques to cool, trap, and control. The complexity of molecules makes …

Quantum control of trapped polyatomic molecules for eEDM searches

L Anderegg, NB Vilas, C Hallas, P Robichaud… - Science, 2023 - science.org
Ultracold polyatomic molecules are promising candidates for experiments in quantum
science and precision searches for physics beyond the Standard Model. A key requirement …

Intensity-borrowing mechanisms pertinent to laser cooling of linear polyatomic molecules

C Zhang, NR Hutzler, L Cheng - Journal of Chemical Theory and …, 2023 - ACS Publications
A study of the intensity-borrowing mechanisms important to optical cycling transitions in
laser-coolable polyatomic molecules arising from non-adiabatic coupling, contributions …

Sensitivity of the YbOH molecule to -odd effects in an external electric field

A Petrov, A Zakharova - Physical Review A, 2022 - APS
An electron electric dipole moment (eEDM) search using laser-coolable triatomics such as
YbOH is one of the most sensitive probes for physics beyond the standard model. The eEDM …

Enhanced molecular yield from a cryogenic buffer gas beam source via excited state chemistry

A Jadbabaie, NH Pilgram, J Kłos… - New Journal of …, 2020 - iopscience.iop.org
We use narrow-band laser excitation of Yb atoms to substantially enhance the brightness of
a cold beam of YbOH, a polyatomic molecule with high sensitivity to physics beyond the …

Molecular enhancement factors for the -violating electric dipole moment of the electron in and symmetric top molecules

Y Chamorro, A Borschevsky, E Eliav, NR Hutzler… - Physical Review A, 2022 - APS
High-precision tests of fundamental symmetries are looking for the parity-(P), time-reversal-
(T) violating electric dipole moment of the electron (eEDM) as proof of physics beyond the …

Observation and laser spectroscopy of ytterbium monomethoxide,

BL Augenbraun, ZD Lasner, A Frenett, H Sawaoka… - Physical Review A, 2021 - APS
We describe a laser spectroscopic study of ytterbium monomethoxide, YbOCH 3, a species
of interest to searches for time-reversal symmetry violation using laser-cooled molecules …

Analytic gradients for relativistic exact-two-component equation-of-motion coupled-cluster singles and doubles method

C Zhang, X Zheng, J Liu, A Asthana… - The Journal of Chemical …, 2023 - pubs.aip.org
A first implementation of analytic gradients for spinor-based relativistic equation-of-motion
coupled-cluster singles and doubles method using an exact two-component Hamiltonian …

Characterizing the fundamental bending vibration of a linear polyatomic molecule for symmetry violation searches

A Jadbabaie, Y Takahashi, NH Pilgram… - New Journal of …, 2023 - iopscience.iop.org
Polyatomic molecules have been identified as sensitive probes of charge-parity violating
and parity violating physics beyond the Standard Model (BSM). For example, many linear …

Calculations of time-reversal-symmetry-violation sensitivity parameters based on analytic relativistic coupled-cluster gradient theory

C Zhang, X Zheng, L Cheng - Physical Review A, 2021 - APS
We develop an analytic-gradient-based method for relativistic coupled-cluster calculations of
effective electric field E eff with improved efficiency and robustness over the previous state of …