Bulletin of the American Physical Society
APS March Meeting 2022
Volume 67, Number 3
Monday–Friday, March 14–18, 2022; Chicago
Session Y13: Many-Body Physics in Rydberg Atom Arrays by Optical TweezersInvited Session Live Streamed
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Sponsoring Units: DAMOP Chair: FĂ©lix Werner, Ecole Normale Superieure Room: McCormick Place W-183A |
Friday, March 18, 2022 8:00AM - 8:36AM |
Y13.00001: Quantum simulation of 2D antiferromagnets with hundreds of Rydberg atoms Invited Speaker: Antoine Browaeys
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Friday, March 18, 2022 8:36AM - 9:12AM |
Y13.00002: Towards quantum computing with 171Yb arrays Invited Speaker: Jeff D Thompson Quantum computing with neutral atoms has progressed rapidly in recent years, based on the development of optical tweezer arrays and quantum gates using the Rydberg blockade. The pioneering experiments have been done in alkali atoms, however, alkaline earth atoms offer several significant advantages that are poised to offer access to larger system sizes, higher gate fidelities, and improved quantum error correction [1–3]. In this talk, I will describe our experimental and theoretical efforts to develop a robust quantum computing platform based on nuclear spin qubits in 171Yb atom arrays, including recent experimental results on qubit coherence, and one- and two-qubit quantum gates. |
Friday, March 18, 2022 9:12AM - 9:48AM |
Y13.00003: New frontiers in atom arrays using alkaline-earth atoms Invited Speaker: Adam M Kaufman Quantum science with neutral atoms has seen great advances in the past two decades. Many of these advances follow from the development of new techniques for cooling, trapping, and controlling atomic samples. As one example, the technique of optical tweezer trapping of neutral atom arrays has been a powerful tool for quantum simulation and quantum information, because it enables scalable control and detection of individual atoms with switchable interactions. In this talk, I will describe ongoing work at JILA where we have explored a new type of atom – two electron atoms - for optical tweezer trapping. While their increased complexity leads to challenges, these atoms also offer new scientific opportunities by virtue of their rich internal degrees of freedom. Accordingly, they have impacted multiple areas in quantum science, ranging from quantum information processing to quantum metrology. I will report on my group’s progress in these areas. |
Friday, March 18, 2022 9:48AM - 10:24AM |
Y13.00004: Emergent Z2 gauge theories and topologically ordered phases in Rydberg atom arrays Invited Speaker: Rhine Samajdar Programmable quantum simulators based on Rydberg atom arrays provide versatile platforms for exploring exotic many-body phases and quantum dynamics of strongly correlated systems. Motivated by these recent experimental advances, we theoretically investigate the quantum phases that can be realized by arranging such Rydberg atoms on a kagome lattice [1]. By mapping the system to a Z2 gauge theory endowed with matter fields, we argue that Rydberg platforms could be used to realize topological spin liquid states based solely on their native van der Waals interactions. We show the emergence of two Z2 quantum spin liquid states based on a detailed Quantum Monte Carlo study and illustrate their rich interplay with proximate solid phases. We also discuss the nature of the fractionalized excitations of these different spin liquids using both fermionic and bosonic parton theories. |
Friday, March 18, 2022 10:24AM - 11:00AM |
Y13.00005: Generation of photonic matrix product states with Rydberg atomic arrays Invited Speaker: Juan I Cirac
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