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T8 Rydberg Computers

Room 128, Caesars Forum Convention Center

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  • Students: $85
  • Regular: $155

Additional Details

  • Attendees may register for this event only or may register to attend in addition to their March Meeting 2023 registration.
  • Organizer: Pedro Lopes, QuEra Computing Inc.; Mikhail D. Lukin, Harvard University


Neutral atoms trapped in near-arbitrary lattice geometries via laser tweezers are a recent entrant to quantum computing architectures. These devices offer both analog and digital (gate-based) opportunities for quantum information processing. These technologies are highly scalable, and even today can achieve system sizes numbering hundreds of qubits, with coherence times supporting tens of single-qubit Rabi oscillations, and coherence lengths that span the whole system size. These features make neutral-atoms trapped by laser tweezers prime platforms to study new ways to encode quantum algorithms and test limits and boundaries of quantum information processing.

Such arrays of neutral atoms have also emerged as a powerful platform to study strongly correlated quantum many-body phases and their dynamics. From a condensed matter physicist’s perspective, these platforms host a variety of intriguing phases of quantum matter are remarkably rich: they permit multiple choices of lattice geometries, disorder, temporal profiles including quenches, as well as measurements of observables, both local and nonlocal.

Neutral-atom analog quantum processors have recently been made available on the cloud, and anyone can run their experiments of choice. This tutorial will also provide the foundations to run algorithms on QuEra’s neutral atom quantum processor Aquila. It will cover the foundations of its programmability, flexibility of problem encoding, and we will provide an overview of its most recent results including new phases, lattice gauge theory phenomenology, and optimization. We will provide the audience with a perspective on open problems and research directions of interest.


  • Rydberg Hamiltonians
  • Adiabatic state preparation, Landau-Zener mechanism, and Kibble-Zurek phenomenology
  • Phase diagrams in one and two spatial dimensions
  • Symmetry-breaking and topological phases of matter, quantum spin liquids
  • High-energy phenomenology, lattice gauge theories, string breaking
  • Quantum optimization and computing implications
  • Running experiments on neutral atom quantum processors


  • Rhine Samajdar, Princeton University
  • Leo Zhou, Caltech
  • Giulia Semeghini, Harvard University
  • Sergio Cantu, QuEra Computing Inc.

Who Can Attend?

Participants across academic levels—from graduate students to faculty—with a background in Atomic, Molecular and Optical Physics (AMO), quantum information, condensed matter, or high-energy physics. This tutorial is designed to supply the necessary tools to foster independent research on Rydberg-atom platforms, quantum phases and phase transitions, lattice gauge theories, quantum dynamics, and quantum computing/information processing applications. The focus is on large-scale neutral-atom quantum simulators, includes their uses and limitations, and both foundations and state-of-the-art results. Participants will also be taught how, and have opportunity, to access and operate QuEra Computing’s neutral-atom processor hands-on via the cloud.

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