High Energy Phenomenology Seminar: Yannick Meurice "Quantum Simulations of Real-time quantum scattering?"

Speaker Yannick Meurice (University of Iowa)
Date: 3/29/2019
Time: 12 p.m.
Location: 464 Loomis
Event Contact: Lauren Pearce
Sponsor: Department of Physics
Event Type: Seminar/Symposium

We review the tensorial formulation of lattice gauge/spin theories and algorithmic aspects of their coarse graining. We show that this reformulation fits the needs of quantum computation.

We discuss concrete proposals of quantum simulation experiments with cold atoms for the Abelian Higgs model  and other simple models in 1+1 dimensions. We report recent calculations (done with Erik Gustafson and Judah Unmuth-Yockey) for real time scattering for the quantum Ising model. We discuss a Trotter procedure to implement the evolution on existing quantum computers and discuss the error associated with the Trotter step size.

We discuss the effects of gate and measurement errors on the evolution of one and two particle states using 4 and 8 qubits circuits approximately corresponding to existing or near term quantum computers (such as IBM or trapped ions devices).

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