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CAP Seminar
Gravity and Quantum Mechanics/Gravitation et la Mécanique Quantique
Manu Paranjape, Institute Courtois Unversit矇 de Montr矇al
Location: P8445.2
Synopsis
We take the audience on a tour of some aspects of gravitational physics and quantum mechanics, from very real, experimentally accessible situations to rather speculative and fantastical astrophysical applications. We start with classical gravitation interacting with a quantum mechanical system and transition to quantum gravity interacting with quantum systems. The theory of quantum gravity is not yet considered complete; however, an effective theory of quantum gravity has been well- understood since the 1970s. We address the question of whether the graviton, the putative quantum of the gravitational field, would in fact be observable.
Fran癟ais: Cette pr矇sentation propose une exploration de divers aspects de la physique gravitationnelle et de la m矇canique quantique, allant de situations concr癡tes et accessibles exp矇rimentalement �� des applications astrophysiques plus sp矇culatives et parfois 矇tonnantes. Nous d矇buterons par l���矇tude de la gravitation classique interagissant avec un syst癡me quantique, avant d���aborder la gravit矇 quantique en interaction avec des syst癡mes quantiques. Bien que la th矇orie compl癡te de la gravit矇 quantique ne soit pas encore 矇tablie, une th矇orie effective de celle-ci est bien ma簾tris矇e depuis les ann矇es 1970. Nous examinerons notamment la question de l���observabilit矇 du graviton, quantum hypoth矇tique du champ gravitationnel.