Hannover 2016 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 18: Quantum Information: Concepts and Methods III

Q 18.1: Talk

Tuesday, March 1, 2016, 11:00–11:15, e214

Lattice Gauge Tensor Networks — •Simone Montangero — Institute for complex quantum systems & Center for Integrated Quantum Science and Technologies, Ulm university, Albert-Einstein-Allee 11, 89075 Ulm, Germany.

We show that gauge invariant quantum link models, Abelian and non-Abelian, can be exactly described in terms of tensor networks states. Quantum link models represent an ideal bridge between high-energy and cold atom physics, as they can be used in cold atoms in optical lattices to study lattice gauge theories. In this framework, we characterize the equilibrium and out-of-equilibrium physics of Abelian and non Abelian (1+1)D quantum link lattice gauge theories, such as the phase diagrams of U(1) and SU(2) theories and the real-time dynamics of the string breaking and of the Schwinger mechanisms.