Author:
Bai Xiran,Jewell Michael J.,Lamoreaux Steve K.,Maruyama Reina H.,van Bibber Karl
Abstract
Abstract
This study explores the primary effects of dielectric
materials in a resonant cavity-based search for axion dark
matter. While dielectrics prove beneficial in numerous cases, their
incorporation may lead to less-than-optimal performance, especially
for the lowest TM mode. Additionally, the stronger confinement of
the electric field inside the dielectrics can exacerbate mode
mixings, in particular for higher-order modes. Case studies have
been carried out using a combination of analytical solutions and
numerical simulations. The findings indicate dielectric cavities
employing the TM010 mode experience a significant
reduction in sensitivity when compared to a similar search conducted
in a cavity at equivalent frequency using no dielectrics.
Subject
Mathematical Physics,Instrumentation
Cited by
1 articles.
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