Spyridon Talaganis

Towards understanding the ultraviolet behavior of quantum loops in infinite-derivative theories of gravity

In this paper we will consider quantum aspects of a non-local, infinite-derivative scalar field theory - a

Nonlocal gravity in D dimensions: Propagators, entropy, and a bouncing cosmology

\it toy \, model

High-energy scatterings in infinite-derivative field theory and ghost-free gravity

depiction of a covariant infinite-derivative, non-local extension of Einsteins general relativity which has previously been shown to be free from ghosts around the Minkowski background. The graviton propagator in this theory gets an exponential suppression making it

Generalised Boundary Terms for Higher Derivative Theories of Gravity

\it asymptotically \, free

String-inspired infinite-derivative theories of gravity: A brief overview

, thus providing strong prospects of resolving various classical and quantum divergences. In particular, we will find that at

Quantum Loops in Non-Local Gravity

1

Towards UV Finiteness of Infinite Derivative Theories of Gravity and Field Theories

-loop, the

Hamiltonian Analysis for Infinite Derivative Field Theories and Gravity

2

Scale of non-locality for a system of

-point function is still divergent, but once this amplitude is renormalized by adding appropriate counter terms, the ultraviolet (UV) behavior of all other

n

1