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Atomic Quantum Simulation of U(N) and SU(N) Non-­‐Abelian Lattice Gauge Theories

posted Oct 14, 2014, 3:12 AM by Juan Jose Garcia-Ripoll   [ updated Oct 14, 2014, 3:12 AM ]
Enrique Rico, Institute for Quantum Optics and Quantum Information (IQOQI), Innsbruck, Austria

Using ultracold alkaline-­‐earth atoms in optical lattices, we construct a quantum simulator for U(N) and SU(N) lattice gauge theories with fermionic matter based on quantum link models. These systems share qualitative features with QCD, including chiral symmetry breaking and restoration at non-­‐zero temperature or baryon density. Unlike classical simulations, a quantum simulator does not suffer from sign problems and can address the corresponding chiral dynamics in real time.

arXiv:1211.2242

Date: 20 december, 2012
Time: 14:30 h
Place: 3rd floor seminar lecture room. Dpt. Física Teórica I. Facultad de Ciencias Físicas UCM.