This year the IMPRS-QST Summer School was jointly organized with the Max Planck Harvard Reserach Center for Quantum Optics (MPHQ).
Harvard students from the participating groups, as well as several PIs both from IMPRS and from Harvard took part in this great event.

Time: June 18th-19th, 2019
Location: seminar room E0.11, MPA Garching

These lectures covered the main machine learning techniques adopted to study interacting quantum systems. First the concept of neural-network quantum states, a representation of the many-body wave-function based on artificial neural networks was introduced. Then, it was shown how these representations can be used in a variety of applications, including examples for data-driven, experimental analysis in the context of quantum state tomography. It was also shown how these states can be used in variational applications to theoretically study the physical properties of interacting many-body quantum systems both at equilibrium and out-of-equilibrium. The lectures were followed by hands-on sessions, based on the open-source software NetKet.

Time: Wednesday, December 5th, 4:30 pm
Location: MPQ lecture hall, B 0.32

The talk discussed the history of Maxwell’s Demon, the Second Law of Thermodynamics, and its connection to Information Theory. It showed how these concepts can be explained to non-physicists in a comic book of an adventure story called “Max the Demon vs Entropy of Doom’’

A joint workshop with the primary goal of establishing connections between the students from the three institutions and stimulate discussions among them. The program included talks by two PIs of each institution: Immanuel Bloch and Matthias Punk from IMPRS-QST, Johannes Fink and Jörg Schmiedmayer from CoQus and Lauriane Chomaz and Wolfgang Lechner from Innsbruck. Moreover, Klaus Sengstock from the University of Hamburg also gave a presentation on his exciting research!

Location: MPQ lecture hall B 0.32

For a long time, and even after the Feynman diagrams and rules were publicly known, Feynman's approach to quantum electrodynamics remained largely private. For this reason, its stupendous efficiency sounded like magic to most of his contemporaries. The purpose of this essay is to bring out the hidden contrivances of this magic.

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A joint initiative of four International Max Planck Research School, including IMPRS-QST. more

Entropy is a central quantity in information theory, probability and physics. This spring school dealt with fundamental concepts and basic operational interpretations of entropy with a particular focus on applications to quantum mechanics.