Mi, 20.03.2024 11:00

Two models for the theory of decoherence

The theory of decoherence is arguably among the greatest advances in fundamental physics of the past forty years

Since the pioneering papers, a wide variety of models have been designed to understand decoherence in different specific contexts, for some given Hamiltonians. In this talk, we would like to embrace a more general point of view, and try to answer the two following questions as universally as possible, i.e. without specifying any Hamiltonian:

1. What is the typical size of an environment needed to entail proper decoherence on a system?

2. Why is the universe not frozen by the quantum Zeno effect?



Speaker: Antoine Soulas (Institute of Research in Mathematics of Rennes (IRMAR), University of Rennes, France)


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