Observational Relativity and Cosmology

This department focuses on direct observational consequences of General Relativity, including the search/analysis of gravitational wave (GW) data, and operation of the Einstein@Home project, looking for weak radio, gamma-ray and GW signals from spinning neutron stars.

Research topics

The most important research area of our department is the development and implementation of data analysis algorithms to search for the different expected types of gravitational wave sources. This includes burst, continuous wave, and inspiral signals in data from ground-based gravitational wave detectors.

Searches for weak gravitational-wave signals are very compute-intensive. In some cases, the lack of computing resources makes the searches substantially less sensitive than would be possible using the same experimental data, but with infinite computing power.

For this reason, one of the central activities of the group is to maintain and increase the computing resources available to us. The group operates the ATLAS computing cluster, which is the world's largest and most powerful resource dedicated to gravitational wave searches and data analysis.

It also plays a leading role in the Einstein@Home project, which uses computing power donated by the general public to search for gravitational waves and electromagnetic emission from neutron stars.

Further information

from the Observational Relativity and Cosmology department [more]
The department “Observational Relativity and Cosmology” at the Albert Einstein Institute (AEI) in Hannover offers student internships. Students are expected to actively participate in the activities of the research group. [more]
The Observational Relativity and Cosmology department closely cooperates with different institutions and research groups worldwide. [more]

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