External Seminar Archive



Chip in a fridge: Why useful complex quantum systems need cryogenics

The use of Quantum Information techniques (quantum 2.0) promises to outperform classical information processing techniques for some tasks. This has recently motivated a large investment in the research of quantum…

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Strained graphene and molecular adsorption on boron nitride

Graphene can be grown by molecular beam epitaxy on boron nitride and exhibits complex and highly anisotropic strain fields which are investigated using AFM and Raman spectroscopy. Post-growth strain relief…

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Rydberg Excitons in Cuprous Oxide – Fred Combley Colloquium

Rydberg Excitons in Cuprous Oxide Manfred Bayer Experimentelle Physik 2, Fakultät Physik, TU Dortmund, D-44227 Dortmund, Germany   Excitons determine the optical properties of semiconductors. Their description as hydrogen atom-like…

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