Bulletin of the American Physical Society
53rd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 67, Number 7
Monday–Friday, May 30–June 3 2022; Orlando, Florida
Session K02: Gas-Phase Polyatomic Molecules in Quantum ApplicationsInvited Live Streamed
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Chair: Wes Campbell, UCLA Room: Grand Ballroom A |
Wednesday, June 1, 2022 10:30AM - 11:00AM |
K02.00001: Quantum Scattering of Fullerene C60 with Rare Gas Atoms Invited Speaker: Svetlana Kotochigova The discovery of fullerene C60 opened new horizons in multidisciplinary scientific research. Designing new fullerene-based materials with specific targeted electronic structures, transport and optical properties remains an exciting challenge in these fields. For example, endohedral C60 was proposed to be natural candidates for functional quantum architectures to store and manipulate atomic and molecular qubits [1]. Recently, single quantum state preparation and control has been achieved in high-resolution spectroscopy of gas-phase C60 molecules, which showed their unusual spectrum of rotational levels associated with the symmetry-induced restrictions on the molecular motion [2]. |
Wednesday, June 1, 2022 11:00AM - 11:30AM |
K02.00002: Fully controlled individual diatomic polar molecules for quantum science Invited Speaker: Kang-Kuen Ni We have achieved full internal and external quantum state control of an array of 5 molecules in optical tweezers. We pursue to leverage the large (4.6 Debye) dipole moment to interact and to entangle individually trapped NaCs molecules separated by microns. I will report our most recent progress. |
Wednesday, June 1, 2022 11:30AM - 12:00PM |
K02.00003: Cold collisions between trapped polyatomic molecules Invited Speaker: Gerhard Rempe Understanding the world around us requires understanding molecules and their interaction with other molecules at the most fundamental quantum level. Towards this goal, radically new cooling and trapping techniques have been developed for molecules which cannot straightforwardly be manipulated with lasers. Exploiting the presence of a permanent electric dipole moment especially of polyatomic molecules, the new techniques include electrostatic skimming, guiding and trapping, as well as centrifuge deceleration, cryogenic buffer-gas and Sisyphus cooling. With these techniques implemented in one setting for the first time, we now prepare samples of simultaneously cold, dense, and slow molecules for, e.g., high-resolution spectroscopy and controlled-collision studies. The talk presents most recent achievements obtained with the conceptually and technologically favorable class of symmetric-top molecules. Most important, with trapped CH3F molecules in predominantly a single rotational and vibrational state, we reach the cold collision regime, understand the nature of the collision process, and control the collisions with an external field. Our achievement opens up new possibilities for a plethora of experiments in various research fields ranging from cold chemistry to quantum information. |
Wednesday, June 1, 2022 12:00PM - 12:30PM |
K02.00004: Molecular rotational state spaces for quantum information processing Invited Speaker: Victor V Albert Rotational states of symmetric and asymmetric molecules, modeled by infinite-dimensional Hilbert spaces of various quantum rotors, present new grounds for encoding and processing quantum information. Development of a physical and mathematical framework adapted for quantum applications in rotational systems is currently in its infancy. I discuss how to adapt basic quantum tools from discrete- and continuous-variable systems to symmetric molecules, developing a set of “position-state” labels for molecular orientations and a Pauli-type group of unitary operations. With an eye on quantum error correction, I discuss ongoing efforts studying the nature of noise introduced by a thermal environment in these systems. |
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