CRC 1225: Isolated quantum systems and universality in extreme conditions

A major focus of the Collaborative Research Centre 1225 concerns research on strongly interacting systems such as those experimentally realised in unitary quantum gases, strongly coupled quark-gluon matter and highly charged hydrogenlike ions. More precisely, we investigate extreme conditions, where the dimensionless combination of the interaction strength, fields expectation values and characteristic energy scale or density of states becomes of order one. Therefore, this takes into account also relevant weak-coupling regimes in the presence of strong fields or large fluctuations. New universality classes have been recently discovered in these regimes, which occur far from equilibrium, providing exciting new links between different physical systems ranging from hot plasmas to cold gases.

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