Colloquia


Colloquia

We plan to return partly to in-person talks. These talks will be held in the interim lecture hall B 0.32 at MPQ and can additionally be attended online. Some talks remain online only.

2G regulations apply to in-person talks, i.e. every time you wish to participate in person, you will have to prove, e.g. with the CovPass-App, that you are vaccinated or recovered.Whether facemasks have to be worn inside the lecture hall will be communicated in the the e-mail announcement for each talk separately. In any case, you will need a medical facemask in the hallway. Audience not affiliated with MPQ are welcome to join in person as long as they meet 2G criteria.

Details on how to participate online are distributed via the mailing lists [wiss-mpq] and [Mpq-colloquium-stream]. To receive this information, please register using the adjacent link.

Scientific organization of the talks:  Dr. Stephan Dürr and Dr. Thomas Udem

Unequal Chances and Hostile Workplaces: Sociological Research on Academic Physic (MCQST-Colloquium) (M.A. Valerie Dahl)

  • (online)
  • Date: Dec 7, 2021
  • Time: 14:30
  • Speaker: M.A. Valerie Dahl
  • Institut für Soziologie, Westfälische Wilhelms-Universität Münster, Germany
to be announced [more]

+++ONLINE COLLOQUIUM+++ Infrared photon counting with superconducting nanowires (Prof. Robert Hadfield)

A host of emerging 21st century technologies rely on the ability to detect single photons at infrared wavelengths. Photon counting is an essential tool in quantum optics experiments. Quantum key distribution allows secure communications over long distance fibre optic networks or even from ground to space. [more]

Quantum Photonics – from quantum computing to quantum foundations exploring the quantum-gravity interface (Prof. Philip Walther)

The precise quantum control of single photons, together with the intrinsic advantage of being mobile make optical quantum system ideally suited for various applications, reaching from quantum computing to precision measurements. [more]

Quantum Information theory: From Entanglement to Quantum computing (MCQST-Colloquium) (Prof. Barbara Kraus)

  • (in-person)
  • Date: Nov 9, 2021
  • Time: 14:30
  • Speaker: Prof. Barbara Kraus
  • Universität Innsbruck, Austria
I will talk about two important challenges within Quantum Information: Multipartite entanglement and the verification of quantum computations. The better understanding of multipartite entanglement is highly relevant for many areas of physics. The entanglement contained in states can be sorted (partially ordered) via the study of state transformations. However, it turns out that this partial order is trivial in the whole Hilbert space. As will be explained in the talk, this fact does not prevent us from a better understanding of entanglement properties which are relevant in a physical context. Entanglement plays also an important role in quantum computations and the verification thereof. I will discuss some, very different, protocols designed for the verification of quantum devices. [more]

Field-resolved microscopy: true time-domain views of light-matter interaction (Dr. Nick Karpowicz)

When charged particles move, they inscribe a history of their motion into an electromagnetic field, which carries it away from the origin. Recording various aspects of this light has been one of our main ways of investigating the fundamentals of nature for centuries, but directly observing the waveform has only become possible thanks to recent advances in ultrafast technology. [more]
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