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Exceptional Quantum Gravity


Motivated by the overwhelming success of symmetry concepts in formulating basic laws of physics, the present proposal (eQG) seeks to develop a new symmetry based approach to the problem of reconciling Quantum Mechanics and Einstein’s General Relativity into a consistent theory of Quantum Gravity, regarded by many as the greatest challenge of contemporary theoretical physics. The need for such a theory is most pressing for the resolution of black hole singularities and the Big Bang, but it is equally crucial to the search for a consistent UV completion of the Standard Model of Particle Physics and the unification of the fundamental interactions. eQG aims to tackle this problem from a new perspective, bringing together very different strands of development: on the one hand, by paying particular attention to recent advances in our understanding of cosmological singularities and the evidence for novel infinite-dimensional duality symmetries near the singularity that has emerged in supergravity and string theory, and to recent progress in formulating ‘exceptional geometries’ transcending Riemannian geometry; on the other hand, by exploiting insights from modern canonical quantisation towards a better understanding of the basic degrees of freedom and the dynamics of quantum space-time. The main focus of eQG will be the ‘maximally extended’ exceptional hyperbolic Kac–Moody symmetry E10, whose uniquely distinguished status makes it a prime candidate symmetry for unifying the known dualities of string and M theory, for a conceptually precise scenario of emergent (quantum) space and time near the singularity, and finally, for replacing supersymmetry as a guiding principle for unification. Consequently, the principal goal of eQG will be to explore how this symmetry can define a theory of quantum gravity, how it acts on its fundamental degrees of freedom, what the special features are of the quantised theory, and what physical predictions can be derived from it.

Meccanismo di finanziamento

ERC-ADG - Advanced Grant

Istituzione ospitante

Contribution nette de l'UE
€ 1 918 750,00
80539 Munchen

Mostra sulla mappa

Bayern Oberbayern München, Kreisfreie Stadt
Tipo di attività
Research Organisations
Costo totale
€ 1 918 750,00

Beneficiari (1)