Noise, Complexity, and Information Dynamics in Quantum Circuits - IPAM at UCLA

Explore a comprehensive lecture on the impact of noise in large-scale quantum systems, presented by Thomas Schuster from the California Institute of Technology at IPAM's Many-body Quantum Systems via Classical and Quantum Computation Workshop. Delve into two recent works that utilize quantum information dynamics to understand noise propagation in ergodic many-body quantum systems. Discover a framework that yields predictions for time-reversal benchmarking protocols and potentially explains recent NMR experiments on interacting quantum spins. Learn about a polynomial-time classical algorithm for simulating expectation values in noisy quantum circuits, which extends results on noisy random circuit sampling. Gain insights into the limitations of quantum experiments providing exponential speed-ups over classical computation in the presence of noise. Recorded on November 8, 2023, this one-hour talk offers valuable knowledge for researchers and enthusiasts in quantum computing and information dynamics.