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SUMMARY:ESE Spring Colloquium - "Quantum Device Benchmarking from Many-Body Quantum Chaos"
DESCRIPTION:Recently\, there has been remarkable progress towards the development of large-scale quantum devices through advances in quantum science and technology. This progress opens new doors for proof-of-principle demonstrations of quantum simulations as well as practically useful applications\, such as quantum-enhanced metrology. However\, these applications require first quantifying how well a quantum device produces a desired target state\, which is currently experimental challenging as existing methods for the quantitative verification of a quantum device require fine-tuned control and substantial experimental resources. In this talk\, I will present a simple and efficient benchmarking protocol to estimate the fidelity of large-scale quantum devices. Our protocol relies only on time evolution of a quantum system undergoing Hamiltonian dynamics\, followed by simple measurements without any sophisticated control and readout. Fundamentally\, this simplification stems from a universal phenomenon associated with many-body chaos from generic\, strongly interacting quantum systems. We demonstrate our benchmarking protocol experimentally for an analog quantum simulator based on a Rydberg atom array\, and numerically for other quantum platforms such as superconducting qubits\, trapped ions\, and itinerant particles in optical lattices.
URL:https://seasevents.nmsdev7.com/event/ese-spring-colloquium-quantum-device-benchmarking-from-many-body-quantum-chaos/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar,Colloquium
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
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