This talk covers a brief introduction to quantum reference frames, the extension of the formalism to superpositions of spacetimes, and their implications for a quantum version of Einstein's hole argument as well as indefinite causal order.
This online talk provides an introduction to quantum reference frames as well as edge modes in gauge theory and gravity before exploring the close connection between the two in the context of linearised quantum gravity.
When Prof. Anton Zeilinger won the Nobel Prize in 2022 for his experiments "establishing the violation of Bell inequalities and pioneering quantum information science", I travelled to Stockholm and reported live on the social media accounts and blog of the University of Vienna.
Feature covering our work on quantum coordinates, localisation of events, and the quantum hole argument.
Featuring our work on quantum reference frames for an indefinite metric.