Publications

Microwave shielding naturally gives rise to an interaction blockade that enables high-fidelity loading of low-entropy arrays for quantum science.

We map the parameter space of double microwave shielding, and establish the (non)-universality. Editor's choice.

Demonstrates extreme suppression of two-body and three-body loss of ultracold molecules by microwave shielding, while tuning interactions into the strongly interacting regime.

Review paper on dipolar few and many-body physics with BECs of microwave shielded molecules.

Observation of self-bound dipolar droplets of polar molecules.

Describes a new type of van der Waals interaction between ultracold open-shell molecules.

Quantifies the dependence -- or lack thereof -- of CIA spectra on ab intio potential energy and dipole functions.

We introduce double microwave shielding by two fields to simultaneously eliminate two-body and three-body loss, while tuning interactions.

Self-bound quantum droplets of microwave shielded molecules described by quantum Monte Carlo and extended Gross-Pitaevskii equations.

Bose-Einstein Condensate of polar molecules! Obtained by evaporating NaCs molecules with two-color microwave shielding. Sebastian Will's lab (Columbia).

We propose an iterative scheme for deterministic loading of laser cooled molecules into optical tweezers, addressing the scalability of molecule arrays.

Invited review paper on few-body physics with ultracold molecules.

Novel type of van der Waals interaction between ultracold polar molecules prepared in different rotational states.

Community white paper.

Using theoretical lineshapes to analyze experimental CIA measurements.

Microwave shielding shielding of bosonic NaCs molecules.

Ab initio calculation of Feshbach resonances in NaLi+Na collisions can qualitatively reproduce and explain experiment. Detailed description of the calculations.

Ab initio calculation of Feshbach resonances in NaLi+Na collisions can qualitatively reproduce and explain experiment. Focus on comparison to experiment.

Peculiar collision mechanisms are studied in dipolar NO+ND3 collisions as the collision energy is tuned over four orders of magnitude.

Quantum defect theory boundary conditions for numerical calculations on dipolar collisions beyond universal loss.

Microwave field-linked states appear in microwave shielding.

Breaking of rotational symmetry by external fields leads to longer sticking times.

Evaporative cooling of microwave-shielded NaK molecules to a degenerate Fermi gas.

Identification of a new collision mechanism that leads to unexpected forward scattering in head-on collisions.

A collision resonance can act as a tunable Fabry-Perot cavity and control reative collisions.

Extension of quantum defect theory to lossy collisions.

First realization of microwave shielding!

Sticking and non-sticking of ultracold molecules in modulated optical traps and box traps.

Conversion between para and ortho hydrogen in gas phase collisions with oxygen molecules.

Experimental demonstration of sticking and photo-excitation of ultracold collision complexes by the trapping laser, predicted theoretically.

Microwave dressing induces fast collisions between ultracold molecules.

Imaging of low-energy collisions and resonances in NO helium collisions.

Review paper on resonance states.

How sensitive is shielding to the microwave polarization?

Theoretical prediction of photo-excitation of ultracold collision complexes in sticky collisions.

Method to compute the density of states and sticking time of ultracold collision complexes.

Proposal for microwave shielding, which has become an enabling technique in ultracold molecule experiments.

The mechanism of CIA by oxygen is shown to depend on the collision partner, O2 or N2, contrary to textbook knowledge. The new theory can explain experimental observations and constrain future experiments.

Resonances in NO + H2 collisions probe the interaction between molecules to an accuracy beyond the "gold standard" CCSD(T).

Observation of rotational product pairs, correlated rotational excitation of two colliding molecules.

Quantitative study of the accuracy of diabatization for open-shell molecules.

Fraunhofer diffraction describes quantum mechanical collisions between molecules and atoms, and the geometry of the "aperature" leads to stereodynamics that depends on the parity of the internal state of NO, which has no classical analog.

Diabatization algorithm using properties evaluated ab initio and using a diabatic model.