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QMAP Particles/Cosmology Seminar: Nemanja Kaloper

Description Speaker: Nemanja Kaloper
Title: A Quantum-Mechanical Mechanism for Reducing the Cosmological Constant
Room: 3024
Zoom: https://zoom.us/j/186024391
Host: Terning

Abstract: We exhibit a mechanism which dynamically adjusts cosmological constant toward $0^+$. The adjustment is quantum-mechanical, discharging cosmological constant in random discrete steps. It renders de Sitter space unstable, and triggers its decay toward Minkowski. Since the instability dynamically stops at $\Lambda = 0$, the evolution favors the terminal Minkowski space without a need for anthropics. The mechanism works for any QFT coupled to gravity.
Date Mon, June 6, 2022
Time 1:30pm-3:00pm PDT
Duration 1 hour 30 minutes
Access Public
Created by High-Energy Seminars
Updated Mon, May 9, 2022 11:18am PDT

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