FAU² Workshop: Quantum Gravity Meets Quantum Information – Foundations, Frameworks and Frontiers

Session

1 Tue

7 Jul 2026, 12:30

ECAP Laboratory Building

76. Local Operations and Field Mediated Entanglement without a Local Tensor Product Structure (online)

Flaminia Giacomini (University of Rome Tor Vergata)

07/07/2026, 12:30

invited talk

Quantum information has become a powerful tool for probing the structure of quantum field theories, yet its application to gauge theories remains subtle. On the one hand, quantum information theory assumes subsystem locality, i.e. the factorization of the total Hilbert space into subsystems. On the other hand, gauge constraints prevent the total Hilbert space to decompose into a...

95. When Born Probabilities Become Quantum Observables (online)

Caslav Brukner

07/07/2026, 13:10

invited talk

Quantum theory denies jointly well-defined outcomes for incompatible measurements, but still assumes jointly well-defined Born probabilities. We argue that this second form of joint definiteness relies on the idealization of a classical reference frame. If relative frequencies are defined with respect to a finite quantum reference frame, their large-run limits can become incompatible...

81. Quantum Reference Fields Transformations in Linearized Quantum Gravity

Lin-Qing Chen (IQOQI-Vienna)

07/07/2026, 13:50

invited talk

Diffeomorphism invariance is a central feature of general relativity. Without external reference structures, matter and geometry must be specified relationally, with respect to internal subsystems serving as reference frames. In quantum gravity, these reference systems must themselves be treated as quantum, motivating the use of quantum reference frames. In this work, we address how such a...