Lecture

Quantum Field Theory: Fourier Modes

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In course

PHYS-431: Quantum field theory I

The goal of the course is to introduce relativistic quantum field theory as the conceptual and mathematical framework describing fundamental interactions. ...

Description

This lecture covers the concept of Fourier modes in Quantum Field Theory, focusing on the use of variables that transform well under translations. It explains the importance of Fourier modes in systems at finite volume, discussing the invariance under translations and the creation and destruction operators. The lecture also delves into the normalization of states in a relativistic context.

Instructors (2)

Francesco Riva

Riccardo Rattazzi

Riccardo Rattazzi was born in Novara (Italy) in 1964. He studied physics at the University of Pisa, where he received the Laurea cum laude in 1987, and at the Scuola Normale Superiore where he received the Diploma in Scienze and carried out graduate research in theoretical physics. After having been a post-doctoral research associate at the Lawrence Berkeley Laboratory, at Rutgers University and at CERN, in 1998 Riccardo obtained a permanent research position at the Istituto Nazionale di Fisica Nucleare in Pisa. From 2001 to 2006 he was a staff member at the Theory Division of CERN. In 2006 he was appointed professor of physics at EPFL.

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