Bulletin of the American Physical Society
50th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics APS Meeting
Volume 64, Number 4
Monday–Friday, May 27–31, 2019; Milwaukee, Wisconsin
Session A01: Graduate Student Symposium |
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Room: Wisconsin Center 202C |
Monday, May 27, 2019 8:55AM - 9:00AM |
A01.00001: Welcome and Introductions |
Monday, May 27, 2019 9:00AM - 10:15AM |
A01.00002: Quantum Simulator Package (QuSP): A Robust and Flexible Integrated Modeling Environment for Entangled Quantum Dynamics Invited Speaker: Lincoln Carr Abstract: The popular press has presented exciting near-term possibilities for building digital quantum computers based on qubits, quantum gates and quantum circuits that out compute any classical computer. However, there are in fact already several hundred working analog quantum computers based on time-evolving many- body quantum states under Hamiltonians in continuous time. Many of these computational platforms are built on decades of experimental and theoretical advances in atomic, molecular, and optical physics, and can be viewed as high precision many-body experiments. For instance, the 2003 discovery of the unitary quantum gas corrected 50 years of many-body quantum theory on the fundamental question of how fermions pair to make bosons. Classical computers have continued to play a role in pushing forward these experiments, both in experimental design and in determining the limits of classical computation to model quantum dynamical phenomena, such as entanglement in many-body quantum chaos and the continuous-time generalization of quantum cellular automata. In this talk, I will present our open source quantum simulator package (QuSP), which runs on classical computers such as a laptop or high-performance computing cluster. QuSP has been downloaded over 3000 times and is used in many labs and research groups worldwide. Recently, together with the Science Gateways Community Institute (SGCI), we have built an even more accessible interface, a browser-based science gateway. Thus, whether computationally experienced scientists or just beginning to acquire key life skills in computation, both experimental and theoretical students will leave this graduate student symposium with a new set of tools they can use in their research on quantum simulators, aka analog quantum computers. \\ \\ Symposium participants are encouraged to bring their laptops and to download and install QuSP prior to the symposium. [Preview Abstract] |
Monday, May 27, 2019 10:15AM - 10:45AM |
A01.00003: Coffee Break |
Monday, May 27, 2019 10:45AM - 12:00PM |
A01.00004: Quantum Engineering with Atoms and Photons Invited Speaker: Monika Schleier-Smith The dream of the quantum engineer is for every physics lab to have an “arbitrary waveform generator” for designing quantum states and Hamiltonians. Atoms in optical cavities offer fertile ground for making progress towards this vision, providing versatility for controlling long-range spin interactions via laser fields. I will give a pedagogical overview of recent work on engineering atom-light interactions for applications in quantum simulation and quantum metrology, highlighting the vital role played by a close interplay of experiment and theory. [Preview Abstract] |
Monday, May 27, 2019 12:00PM - 12:45PM |
A01.00005: Lunch |
Monday, May 27, 2019 12:45PM - 2:00PM |
A01.00006: Semi-classical & quantum view of an intense laser-atom interaction Invited Speaker: Louis DiMauro The study of an intense laser field interacting with an atom is a fundamental problem in AMO physics. The study of strong-field physics has advanced to a state that quantitative tests of theoretical models are now possible experimentally. This is particularly important to identify the universality of all strong-field phenomena, such as above-threshold ionization (ATI), high harmonic generation and multiple ionization. In this talk, a review of laser-atom interaction will be given and discussed in the context of a semi-classical model of a field- driven electron interacting with its parent core. Experiments will be presented which illustrate the appropriateness of the semi-classical description, the scaling with laser parameters and the physics associated with the formation of light pulses on the atomic time scale (attosecond). [Preview Abstract] |
Monday, May 27, 2019 2:00PM - 2:30PM |
A01.00007: Coffee Break |
Monday, May 27, 2019 2:30PM - 3:45PM |
A01.00008: Collective dynamics of atomic ensembles due to long-range optomechanical forces Invited Speaker: Giovanni Morigi In this talk we will present recent theoretical work on cooling and spontaneous spatio- temporal pattern formation of atomic and molecular ensembles in optical resonators, where the key ingredient of the dynamics are the coherent and dissipative long-range optomechanical forces mediated by multiple scattering of the cavity photons. These dynamics reveal the existence of prethermalized states which are expected to be stable over the experimental time scales even in the bad cavity limit. We characterize the properties of these metastable phases in the semiclassical and deep in the quantum regime. [Preview Abstract] |
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