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Welcome to the homepage of the theory group

News from the group

Caroline de Groot successfully defended her PhD thesis

Caroline successfully defended her PhD thesis on  “Fundamental properties of SPT phases discovered”. more

Mimicking Quantum Chemistry: Analogue quantum simulation of pseudomolecules

Theorists develop a simplified experimental concept that could enable the first quantum simulations of chemistry. more

High-altitude Hackathon: Theory Division Collaborates on New Scientific Proposals

The Theory Division of MPQ recently held a collaborative workshop at the environmental research station Schneefernerhaus located on Zugspitze at an altitude of 2650 meters above sea level. more

Optimal Sampling of Dynamical Large Deviations in Two Dimensions via Tensor Networks

We use projected entangled-pair states (PEPS) to calculate the large deviation statistics of the dynamical activity of the two-dimensional East model, and the two-dimensional symmetric simple exclusion process (SSEP) with open boundaries, in lattices of up to 40×40 sites. more

Long-Range Free Fermions: Lieb-Robinson Bound, Clustering Properties, and Topological Phases

We consider free fermions living on lattices in arbitrary dimensions, where hopping amplitudes follow a power-law decay with respect to the distance. We focus on the regime where this power is larger than the spatial dimension (i.e., where the single particle energies are guaranteed to be bounded) for which we provide a comprehensive series of fundamental constraints on their equilibrium and nonequilibrium properties. more

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