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Wilsonian effective potentials and closed string field theory
We investigate Wilsonian effective field theory as a model for the construction of the tachyon potential and nonperturbative vacua in closed string...
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Bootstrapping closed string field theory
The determination of the string vertices of closed string field theory is shown to be a conformal field theory problem solvable by combining insights...
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Open string field theory with stubs
There are various reasons why adding stubs to the vertices of open string field theory (OSFT) is interesting: the stubs can not only tame certain...
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Open-closed string field theory in the large N limit
We use the new nilpotent formulation of open-closed string field theory to explore the limit where the number N of identical D-branes of the starting...
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The ZZ annulus one-point function in non-critical string theory: A string field theory analysis
We compute the ZZ annulus one-point function of the cosmological constant operator in non-critical string theory, regulating divergences from the...
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Effective interactions of the open bosonic string via field theory
We describe a method to extract an effective Lagrangian description for open bosonic strings, at zero transcendentality. The method relies on a...
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The nilpotent structure of open-closed string field theory
In this note we revisit the homotopy-algebraic structure of oriented bosonic open-closed string field theory and we give a new compact formulation in...
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Adding stubs to quantum string field theories
Generalizing recent work by Schnabl-Stettinger and Erbin-Fırat, we outline a universal algebraic procedure for ‘adding stubs’ to string field...
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The closed string field theory action vanishes
Using the dilaton theorem, we show that the classical action of closed string field theory vanishes on-shell.
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Bootstrapping string theory EFT
We study the space of open string effective field theories by combining the constraint of unitarity and monodromy relations for the four-point...
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On democratic string field theories
We reexamine democratic open string field theories, namely, theories in which string fields are not constrained to a single picture number and...
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Starobinsky inflation from string theory?
Starobinsky inflation is currently one of the best models concerning agreement with cosmological data. Despite this observational success, it is...
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The classical cosmological constant of open-closed string field theory
We consider deformations of D-brane systems induced by a change in the closed string background in the framework of bosonic open-closed string field...
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A string theory for two dimensional Yang-Mills theory. Part I
Two dimensional gauge theories with charged matter fields are useful toy models for studying gauge theory dynamics, and in particular for studying...
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Towards Early Dark Energy in string theory
Early Dark Energy (EDE) is a prominent model to resolve the Hubble tension, which employs a dynamical axion with a periodic potential. In this work,...
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Worldsheet formalism for decoupling limits in string theory
We study the bosonic sector of a decoupling limit of type IIA superstring theory, where a background Ramond-Ramond one-form is fined tuned to its...
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Non-relativistic heterotic string theory
In this work we consider heterotic-gravity as the low-energy approximation to heterotic string theory. We define a consistent non-relativistic limit...
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Negative corrections to black hole entropy from string theory
We report for the first time that in heterotic string compactified on 4-torus or equivalently IIA string compactified on K3, the leading α ′...
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On odd number of fermion zero modes on solitons in quantum field theory and string/M theory
We argue that having an odd number of Majorana fermion zero modes on a dynamical point-like soliton signifies an inconsistency in a theory with 3+1...
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String Theory
I start describing my interaction with Bruno during my thesis and then in his group in Frascati in connection with the calculation of the total...
