Lecture

Axiverse Dynamics: Autoresonance and Direct Detection

Description

This lecture explores the dynamics of axions in the axiverse, focusing on autoresonance phenomena and direct detection prospects. The instructor discusses the misalignment mechanism, realistic potentials in the string axiverse, and the friendly interaction between axions. The lecture covers the signatures of many axions, homogeneous dynamics, and the concept of autoresonance for energy densities. Key takeaways include the efficiency of energy transfer during autoresonance and the implications for detecting axions. The presentation also delves into the gravitational signatures of friendly axions and the potential boosts to visibility in direct detection experiments.

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