Quantum gravity, hydrodynamics and emergent cosmology: a collection of perspectives

Jibril Ben Achour; Dario Benedetti; Martin Bojowald; Robert Brandenberger; Salvatore Butera; Renata Ferrero; Flaminia Giacomini; Kristina Giesel; Christophe Goeller; Tobias Haas; Philipp A. Höhn; Joshua Kirklin; Luca Marchetti; Daniele Oriti; Roberto Percacci; Antonio D. Pereira; Andreas G.A. Pithis; Mairi Sakellariadou; Sebastian Steinhaus; Johannes Thürigen

doi:10.1007/s10714-024-03335-4

Quantum gravity, hydrodynamics and emergent cosmology: a collection of perspectives

Jibril Ben Achour, Dario Benedetti, Martin Bojowald, Robert Brandenberger, Salvatore Butera, Renata Ferrero, Flaminia Giacomini, Kristina Giesel, Christophe Goeller, Tobias Haas, Philipp A. Höhn, Joshua Kirklin, Luca Marchetti, Daniele Oriti, Roberto Percacci, Antonio D. Pereira, Andreas G.A. Pithis, Mairi Sakellariadou, Sebastian Steinhaus, Johannes Thürigen

Research output: Contribution to journal › Article › peer-review

Abstract

This collection of perspective pieces captures recent advancements and reflections from a dynamic research community dedicated to bridging quantum gravity, hydrodynamics, and emergent cosmology. It explores four key research areas: (a) the interplay between hydrodynamics and cosmology, including analog gravity systems; (b) phase transitions, continuum limits and emergent geometry in quantum gravity; (c) relational perspectives in gravity and quantum gravity; and (d) the emergence of cosmological models rooted in quantum gravity frameworks. Each contribution presents the distinct perspectives of its respective authors. Additionally, the introduction by the editors proposes an integrative view, suggesting how these thematic units could serve as foundational pillars for a novel theoretical cosmology framework termed “hydrodynamics on superspace”.

Original language	English (US)
Article number	2
Journal	General Relativity and Gravitation
Volume	57
Issue number	1
DOIs	https://doi.org/10.1007/s10714-024-03335-4
State	Published - Jan 2025

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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10.1007/s10714-024-03335-4

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Ben Achour, J., Benedetti, D., Bojowald, M., Brandenberger, R., Butera, S., Ferrero, R., Giacomini, F., Giesel, K., Goeller, C., Haas, T., A. Höhn, P., Kirklin, J., Marchetti, L., Oriti, D., Percacci, R., Pereira, A. D., Pithis, A. G. A., Sakellariadou, M., Steinhaus, S., & Thürigen, J. (2025). Quantum gravity, hydrodynamics and emergent cosmology: a collection of perspectives. General Relativity and Gravitation, 57(1), Article 2. https://doi.org/10.1007/s10714-024-03335-4

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Ben Achour, J, Benedetti, D, Bojowald, M, Brandenberger, R, Butera, S, Ferrero, R, Giacomini, F, Giesel, K, Goeller, C, Haas, T, A. Höhn, P, Kirklin, J, Marchetti, L, Oriti, D, Percacci, R, Pereira, AD, Pithis, AGA, Sakellariadou, M, Steinhaus, S & Thürigen, J 2025, 'Quantum gravity, hydrodynamics and emergent cosmology: a collection of perspectives', General Relativity and Gravitation, vol. 57, no. 1, 2. https://doi.org/10.1007/s10714-024-03335-4

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AU - Benedetti, Dario

AU - Bojowald, Martin

AU - Brandenberger, Robert

AU - Butera, Salvatore

AU - Ferrero, Renata

AU - Giacomini, Flaminia

AU - Giesel, Kristina

AU - Goeller, Christophe

AU - Haas, Tobias

AU - A. Höhn, Philipp

AU - Kirklin, Joshua

AU - Marchetti, Luca

AU - Oriti, Daniele

AU - Percacci, Roberto

AU - Pereira, Antonio D.

AU - Pithis, Andreas G.A.

AU - Sakellariadou, Mairi

AU - Steinhaus, Sebastian

AU - Thürigen, Johannes

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Quantum gravity, hydrodynamics and emergent cosmology: a collection of perspectives

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