Asymptotic safety is a theoretical proposal for the ultraviolet completion of quantum field theories, in particular for quantum gravity. Significant progress on this program has led to a first characterization of the Reuter fixed point. Further advancement in our understanding of the nature of quantumspacetime requires addressing a number of open questions and challenges. Here, we aim at providing a critical reflection on the state of the art in the asymptotic safety program, specifying and elaborating on open questions of both technical and conceptual nature. We also point out systematic pathways, in various stages of practical implementation, toward answering them. Finally, we also take the opportunity to clarify some common misunderstandings regarding the program.

Critical reflections on asymptotically safe gravity / Bonanno, A.; Eichhorn, A.; Gies, H.; Pawlowski, J. M.; Percacci, R.; Reuter, M.; Saueressig, F.; Paolo Vacca, G.. - In: FRONTIERS IN PHYSICS. - ISSN 2296-424X. - 8:(2020), pp. 1-30. [10.3389/fphy.2020.00269]

Critical reflections on asymptotically safe gravity

Percacci R.;
2020-01-01

Abstract

Asymptotic safety is a theoretical proposal for the ultraviolet completion of quantum field theories, in particular for quantum gravity. Significant progress on this program has led to a first characterization of the Reuter fixed point. Further advancement in our understanding of the nature of quantumspacetime requires addressing a number of open questions and challenges. Here, we aim at providing a critical reflection on the state of the art in the asymptotic safety program, specifying and elaborating on open questions of both technical and conceptual nature. We also point out systematic pathways, in various stages of practical implementation, toward answering them. Finally, we also take the opportunity to clarify some common misunderstandings regarding the program.
2020
8
1
30
269
Bonanno, A.; Eichhorn, A.; Gies, H.; Pawlowski, J. M.; Percacci, R.; Reuter, M.; Saueressig, F.; Paolo Vacca, G.
File in questo prodotto:
File Dimensione Formato  
bonanno_etal_criticalreflections.pdf

accesso aperto

Descrizione: DOAJ Open Access
Tipologia: Versione Editoriale (PDF)
Licenza: Creative commons
Dimensione 571.51 kB
Formato Adobe PDF
571.51 kB Adobe PDF Visualizza/Apri

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11767/116981
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 115
  • ???jsp.display-item.citation.isi??? 106
social impact