Magnons Prefer a Sense of Rotation Dancing the Waltz
Observation of the Nonreciprocal Magnon Hanle Effect in Antiferromagnets
A team of researchers from the Bavarian Academy of Sciences and…
Walther-Meißner-Institut
Bayerische Akademie der Wissenschaften Walther-Meißner-Straße 8 85748 Garching GERMANY
Ust-ID-Nr.: DE811209280
Contact - internal
Phone: +49 (0)89 289 14202 …
Gross Group: Open Topics for Master Theses
Noise characterization of impedance-matched parametric amplifiers (experiment)
An Impedance-Matched Parametric Amplifier (IMPA) is a particular type of…
Filipp Group: Open Topics for Master Theses
We are an experimental group working on quantum technologies and quantum information processing with superconducting quantum circuits. We are always…
Rabl Group: Open Topics for Master Theses
We are a theory group working on the modeling of quantum information processing and quantum simulation schemes in solid-state and hybrid quantum systems…
Walther-Meißner-Seminar SS 2023
Seminar Program SS 2023
Time: Friday, 11.15 h Place: Seminar Room 143,…
Colloquium on Solid State Physics SS2023
Summer Semester 2023
Time: Thursday, 17.15 h Place: Lecture Hall 3, Department of Physics, …
Colloquium on Solid State Physics WS2023/24
Winter Semester 2023/2024
Time: Thursday, 17.15 h Place: Lecture Hall 3, Department of Physics, …
Walther-Meißner-Seminar WS 2023/24
Seminar Program WS 2023/2024
Time: Friday, 11.15 h Place: Seminar Room 143,…
Some Facts About Helium
Discovery of Helium Physical Properties of Helium Where Does Helium Come From? Helium-4 Resources and Their Accessibility What Do We Use Helium-4 For? The…
Login to the WMI Wiki provided by BayernCollab/Confluence
click this ► Link to the WMI Wiki type "LRZ" into the institution finder (see screenshot) select "Leibniz-Rechenzentrum…
Walther-Meißner-Seminar
Seminar Program SS 2025
Time: Friday, 11.15 h Place: Seminar Room 143,…
Operations Manager/in (m/w/d)
Dezember 2025
Zur administrativen, operativen und strategischen Unterstützung der Forschungstätigkeiten suchen wir für unseren Standort am Hochschulgelände in…
The present members of the WMI Scientific Advisory Board are:
Vollhardt, Dieter (BAdW and University of Augsburg, chairman) Bloch, Immanuel (BAdW, LMU Munich and Max-Planck Institute of…
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Seminar Program WS 2025/26
Time: Friday, 11.15 h Place: Seminar Room 143, Walther-Meißner-Institute, …
Previous Semesters: <WS 2021/22> <SS 2022> <WS 2022/23> <SS 2023> <WS 2023/24> <SS 2024> <WS 2024/25> <SS 2025>
For general information on the…
Previous Semesters: <WS 2021/22> <SS 2022> <WS 2022/23> <SS 2023> <WS 2023/24> <SS 2024> <WS 2024/25>
For general information on the teaching…
Seminar Program SS 2025
Time: Friday, 11.15 h Place: Seminar Room 143, Walther-Meißner-Institute, …
Open PhD Position - Antiferromagnetic Magnonics (m/f/d)
Are you looking for an opportunity to realize devices for spin-based or neuromorphic computing or on-chip frequency comb generation? We…
Open PhD Position - Hybrid-Variable Quantum Microwave Communication (m/f/d)
Are you looking for an opportunity to experimentally investigate novel quantum communication approaches in…
magnetism in rare-earth compounds (Kondo and crystal field effects) hyperfine interaction enhanced nuclear demagnetization first experiments on superfluid 3He in Germany
foundations of superconductivity (fluxoid quantization, critical currents, type-II behavior) development of improved helium liquefaction systems
Basic Research: quantum phenomena and quantum coherence in solid state systems, quantum microwaves superconductivity and superfluidity, cuprates, pnictides and organic superconductors, …
In the following we provide a brief overview of some historical facts about the WMI, its scientific directors, important discoveries made at WMI, as well as the key research directions over the…
K. G. Fedorov, M. Renger, S. Pogorzalek, R. Di Candia, Q. Chen, Y. Nojiri, K. Inomata, Y. Nakamura, M. Partanen, A. Marx, R. Gross, F. Deppe, Experimental quantum teleportation of propagating…
2023: Observation of the Nonreciprocal Magnon Hanle Effect
Janine Gückelhorn, Sebastián de-la-Peña, Matthias Grammer, Monika Scheufele, Matthias Opel, Stephan Geprägs, Juan Carlos Cuevas, Rudolf…
The Scientific Directors of WMI
Prof. Dr. Walther Meißner (1946 - 1952) Prof. Dr. Heinz Maier-Leibnitz (1952 - 1980) Prof. Dr. Klaus Andres (1980 - 2000) Prof. Dr. Rudolf Gross (2000 - 2025)…
The Walther-Meißner-Institute (WMI) operates a helium liquefaction plant and supplies the two Munich universities and some other Munich research institutions with liquid helium. Here, we…
How to order liquid helium? How to measure the helium level in transport containers Safety measures for using liquid helium
Dipl.-Ing. Sepp Höß, Room 031, phone: +49 (0) 89 289 - 14552 Peter Binkert, Jan Naundorf, Harald Schwaiger, Room 017, phone: +49 (0) 89 289 - 14404
E-mail contact: halle@wmi.badw.de
Helium Liquefaction Team & Information for LHe Users
Technical Description of the WMI Helium Pump
A vertical cross-section, a horizontal cross-section along the line A-B and a vertical cross-section of part of the pump systems is shown in the…
A Submersible Pump for Liquid Helium
Because the storage vessels for liquid helium only have small openings for installing a pump, small dimensions at large pump capacity are key requirements.…
Optimization of the Energy Efficiency of Helium Liquefaction Systems
For the operation of a helium liquefaction plant besides operational safety the most crucial figure of merrit is energy…
The Present Liquefaction Plant Based on a VL 100 Liquefier
At present, the WMI helium liquefaction plant is based on the VL 100 helium liquefier from Vorbuchner GmbH. The VL 100 liquefier is a…
The WMI Helium Liquefaction Plant
A Long Tradition in Helium Liquefaction
The Walther-Meißner-Institute (WMI) has been operating a helium liquefaction plant for more than 60 years and supplies the two Munich universities and some…
Over the past two decades, the helium price has been strongly increasing. The reason is a growing demand and a change in supply chains. Although helium prices were doubling from 2002 to 2012, both…
The History and Status of Helium Production
On Earth, helium is relatively rare (5.2 ppm by volume in the atmosphere) and, therefore, direct extraction from the atmosphere is too expensive. In 1903,…
The estimates of the world’s helium reserves have a large error bar. Since helium is contained in natural gas, the main resources are located in countries with the main resources of natural gas:…
