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Theory Lectures by Young Researchers



Th-LYR is a series of introductory web-lectures on specific research topics in Theoretical Physics, spanning Cosmology, Lattice Gauge Theory, QFT, String Theory, and Mathematical Physics. The lectures will be given by young researchers to young researchers in an informal and stimulating environment with extensive space for questions and discussions.
Organizers: Claudio Bonanno, Alessio Caddeo, Carlo Alberto Cremonini, Matteo Maria Maglio, Rocco Rollo (GGI Post-Docs)

List of Lectures

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Paolo Benincasa - Instituto de Fisica Teorica (IFT), Madrid
Cosmology and Geometry at the Boundary - Lecture II
13 Apr 2021 - 11:00

Cosmological observables, such as temperature fluctuations in the CMB and density fluctuations in the distribution of galaxies, can be traced back to the end of inflation where they are encoded in quantum correlations, and the wavefunction of the universe which generates them, at a space-like boundary of a quasi-dS space-time. These lectures will focus on a novel approach to construct the wavefunction of the universe from boundary data only and extract from them physical information. We will learn about its analytic structure, the interpretation of the singularity coefficients as physical processes, including scattering processes in flatspace, as well as a first-principle formulation in terms of combinatorial-geometrical objects which, together to provide new computational tools, provide a window on the basic rules behind cosmological processes.

Poster
Paolo Benincasa - Instituto de Fisica Teorica (IFT), Madrid
Cosmology and Geometry at the Boundary - Lecture I
12 Apr 2021 - 11:00

Cosmological observables, such as temperature fluctuations in the CMB and density fluctuations in the distribution of galaxies, can be traced back to the end of inflation where they are encoded in quantum correlations, and the wavefunction of the universe which generates them, at a space-like boundary of a quasi-dS space-time. These lectures will focus on a novel approach to construct the wavefunction of the universe from boundary data only and extract from them physical information. We will learn about its analytic structure, the interpretation of the singularity coefficients as physical processes, including scattering processes in flatspace, as well as a first-principle formulation in terms of combinatorial-geometrical objects which, together to provide new computational tools, provide a window on the basic rules behind cosmological processes.

Poster
Lucrezia Ravera - Politecnico di Torino (DISAT)
Geometric Approach to Supergravity II
26 Mar 2021 - 11:00

Abstract

The construction of supergravity theories from the technical point of view is a non-trivial task. In particular, complications arise from the fact that fermionic representations are involved. It is therefore particularly useful to find an efficient method to deal with the technical labor in formulating supergravity theories. In these lectures we will explore the geometric (aka rheonomic) approach to supergravity theories in superspace, which allows a complete geometrical interpretation of supersymmetry.



Slides

Poster

Video
Lucrezia Ravera - Politecnico di Torino (DISAT)
Geometric Approach to Supergravity I
25 Mar 2021 - 11:00

Abstract

The construction of supergravity theories from the technical point of view is a non-trivial task. In particular, complications arise from the fact that fermionic representations are involved. It is therefore particularly useful to find an efficient method to deal with the technical labor in formulating supergravity theories. In these lectures we will explore the geometric (aka rheonomic) approach to supergravity theories in superspace, which allows a complete geometrical interpretation of supersymmetry.



Slides

Poster

Video