Generalized Geometry and Symmetries

IP-2014-09-3258

Principal Investigator: Larisa Jonke
PI's Host institution for the project: Rudjer Bošković Institute
Project duration: 01.09.2015 – 31.08.2019.

Summary

The unification of Einstein's theory of general relativity with quantum physics represents one of the greatest challenges of modern theoretical physics. A hypothesis common to all research directions aiming at understanding the quantum theory of gravity is that our description of space-time geometry has to go beyond the classical picture of space-time as a differentiable manifold. Within this project we are interested in generalized concepts of geometry, physically motivated by string theory: generalized complex geometry and non-commutative geometry. We aim at improving our understanding on how these generalized notions of geometry could be utilized to obtain consistent extensions of symmetry principles. In particular, we are interested in extending the gauge principle, the key physical notion used to describe known matter interactions, in view of the above generalizations of classical geometry. Our goal is to capture the effects of string duality symmetries, non-commutative gauge theory and higher gauge theories at the level of the effective field theory description, which is necessary in order to perform reliable calculations and yield experimentally testable predictions. We expect that geometrizing these generalized symmetries would provide us, as a long-term perspective, with a consistent framework within which one could address open issues in cosmology and black hole physics.

People

Dr. Larisa Jonke

Senior Research Associate, RBI

larisa@irb.hr

Dr. Athanasios Chatzistavrakidis

Research Associate, RBI

a.chatzistavrakidis@gmail.com

Dr. Danijel Jurman

Research Associate, RBI

djurman@irb.hr

Fech Scen Khoo

Postdoc, RBI

fkhoo@irb.hr

Clay James Grewcoe

PhD student, RBI

Clay.Grewcoe@irb.hr

Grgur Siminic

PhD student, RBI

Grgur.Simunic@irb.hr

Dr. Ivan Andrić

Senior Research Associate (retired)

iandric@irb.hr

Publications

BRST symmetry of doubled membrane sigma-models

Athanasios Chatzistavrakidis, Clay J. Grewcoe, Larisa Jonke, Fech Scen Khoo, Richard J. Szabo

arXiv:1904.04857[hep-th]

Quasinormal modes of compact objects in alternative theories of gravity

Jose Luis Blázquez-Salcedo, Zahra Altaha Motahar, Daniela D. Doneva, Fech Scen Khoo, Jutta Kunz, Sindy Mojica, Kalin V. Staykov, Stoytcho S. Yazadjiev

Eur. Phys. J. Plus (2019) 134: 46, arXiv:1810.09432[gr-qc]

Gravity as a Gauge Theory on Three-Dimensional Noncommutative spaces

Danijel Jurman, George Manolakos, Pantelis Manousselis, George Zoupanos

PoS CORFU2017 (2018) 162 arXiv:1809.03879[gr-qc]

Noncommutative Gauge Theory and Gravity in Three Dimensions

Athanasios Chatzistavrakidis, Larisa Jonke, Danijel Jurman, George Manolakos, Pantelis Manousselis, George Zoupanos

Fortsch. Phys. 66 (2018) 1800047, arXiv:1802.07550[hep-th]

Double Field Theory and Membrane Sigma-Models

Athanasios Chatzistavrakidis, Larisa Jonke, Fech Scen Khoo, Richard J. Szabo

JHEP 1807 (2018) 015, arXiv:1802.07003[hep-th]

Fuzzy de Sitter space from kappa-Minkowski space in matrix basis

Danijel Jurman