Speaker
Roland Walter
(University of Geneva)
Description
The quantum properties of a gas of bosons were predicted by Einstein 100 years ago. The first experimental evidence of its consequences were obtained by Hanbury-Brown & Twiss in 1954, correlating the arrival times of photons detected by two optical telescopes. Extremely large telescopes and 10ps resolution single photon detectors bring the key improvements to reach, in the optical, angular resolutions better than these achieved in the radio by the Event Horizon Telescope and to obtain, for instance, the first images of accretion disks around galactic compact objects, active galactic nuclei and quasars.
Author
Roland Walter
(University of Geneva)