research

I work in theoretical high energy physics, specifically in quantum field theory, gravitational physics and string theory. 

An updated list of my publications can be accessed through the following links: inSPIRE, Google Scholar. 

Some specifics:

I am interested in understanding the workings of the Holographic Principle, which is an enigmatic correspondence between gravity and non-gravitational theories in one lower dimension.

The main focus of my recent research has been the attempt at a formulation of holography for asymptotically flat spacetimes, away from its usual setting in Anti de Sitter spacetimes. My collaborators and I have in the past mainly concentrated our attention on three dimensional gravitational theories where the formulation of the problem is made easier by the existence of a large number of symmetries. 

We now are working towards the formulation of Flat holography in the physically relevant four dimensions (and higher). Our approach is called the Carrollian approach and posits a co-dimension one dual field theory living on the null boundary. This is to be contrasted with the more popular Celestial approach to flat holography, which proposes a dual CFT living on the co-dimension two celestial sphere at infinity. 

I also work on understanding non-relativistic conformal systems and various singular limits of string theory, like the tensionless limit that offers a window into the behaviour of strings at ultra high energies.