Name: FAU^2 Workshop on quantum gravity across scales: from physics at the Planck scale to effective theories
Start: 2025-05-20T11:00:00+02:00
End: 2025-05-22T23:00:00+02:00
Location: ECAP Laboratory Building

FAU^2 Workshop on quantum gravity across scales: from physics at the Planck scale to effective theories

from Tuesday 20 May 2025 (11:00) to Thursday 22 May 2025 (23:00)

Monday 19 May 2025
Tuesday 20 May 2025

11:00

11:00 - 12:00
13:30 Session 1
Session 1
13:30 - 16:00
Contributions

13:30 Asymptotically safe quantum gravity on foliated spacetimes - Frank Saueressig

14:10 Asymptotically safe - canonical quantum gravity junction - Thomas Thiemann

14:50 The universal swampland - Astrid Eichhorn

15:30 Probing asymptotically safe quantum gravity with matter with functional and lattice methods - Marc Schiffer
16:00

16:00 - 16:30
16:30 Session 2
Session 2
16:30 - 19:30
Contributions

16:30 Invariant observables in quantum gravity and quantum corrections to the Hubble rate and the Newton potential - Markus B. Fröb

17:10 Quantum Nature of the Big Bang with Polymer Matter - Parampreet Singh

17:50 Effective quantum corrections to Bianchi models and its connection to BKL scenarios - Ana Alonso-Serrano (Humboldt University of Berlin and AEI-MPI)

18:30 Operator dressing & proto-gauge theory from quantum mereology - Oliver Friedrich

19:00 Preserving Gauge Symmetries in Cosmology via Loop Quantum Gravity - Matteo Bruno (Sapienza University of Rome)
19:30 Final discussion with all speakers of the day
Final discussion with all speakers of the day
19:30 - 20:15

20:15 Welcome get together with drinks and snacks
Welcome get together with drinks and snacks
20:15 - 23:15
Wednesday 21 May 2025

12:00

12:00 - 13:00
14:00 Session 3
Session 3
14:00 - 16:20
Contributions

14:00 Dynamical models of regular black holes and singularity resolution from effective quantum spacetimes - Alfio Bonanno (INAF - INFN Catania)

14:40 From Cosmology to Black Holes: Effective Dynamics via LTB and Scalar-Tensor Reconstruction - Hongguang Liu

15:20 New results for the shock wave model - Francesco Fazzini (University of New Brunswick)

15:50 Causal structure of nonhomogeneous dust collapse in effective loop quantum gravity - Michał Bobula (University of Wrocław)
16:20

16:20 - 16:50
16:50 Session 4
Session 4
16:50 - 19:20
Contributions

16:50 Berry phases and von Neumann algebras for wormholes in AdS/CFT - Johanna Erdmenger

17:30 Lorentzian cosmological path integrals from effective spin foams - Sebastian Steinhaus

18:10 Extracting effective continuum physics from quantum gravity - Daniele Oriti (Dept Fisica Teorica, Universidad Complutense de Madrid)

18:50 Emergent early and late acceleration from Quantum Gravity - Luca Marchetti (Okinawa Institute of Science and Technology)
19:20 Final discussion with all speakers of the day
Final discussion with all speakers of the day
19:20 - 20:05

20:05 Workshop Dinner
Workshop Dinner
20:05 - 23:05
Thursday 22 May 2025
13:30
13:30 - 16:50
Contributions

13:30 Quantum reference frames and their application in quantum gravity - Philipp Höhn

14:10 Effective actions and observables - Kevin Falls

14:50 Hamiltonian renormalisation of the U(1)^3 model for 3+1 quantum gravity - Melissa Rodriguez Zarate

15:20 What triangulations at criticality in TGFT? - Johannes Thürigen

15:50 Dynamics of semiclassical states in the single-vertex model of quantum-reduced loop gravity - Ilkka Mäkinen

16:20 Computing the graph-changing dynamics of loop quantum gravity - Thiago Lucena de Macedo Guedes
16:50

16:50 - 17:20
17:20 Session 6
Session 6
17:20 - 19:00
Contributions

17:20 Darboux transformations in the interior of nonrotating black holes - Guillermo A. Mena Marugán (IEM, CSIC)

18:00 Hawking evaporation in Loop Quantum Gravity - Idrus Husin Belfaqih

18:30 Across the Horizon: Singularities in Quantum Black Hole Spacetimes - Sofie Ried (Univesity of Sheffield)
19:00 Final discussion with all speakers of the day
Final discussion with all speakers of the day
19:00 - 19:45

19:45 Closing remarks
Closing remarks
19:45 - 20:00