Some comments on the nature of universal properties in low-temperature glasses

TL;DR

This paper critiques and discusses the recent theory explaining universal low-temperature properties in amorphous solids, proposing an experimental test and commenting on existing experimental results.

Contribution

It offers a realistic experimental scenario to test the theory and provides commentary on prior experimental findings related to the theory.

Findings

Proposes an experimental setup to test the theory

Comments on existing experimental results in the proposed geometry

Highlights the need for further experimental validation

Abstract

We discuss the recent theory of Burin and Kagan that attempts to explain the existence of universal low temperature properties in amorphous solids. We suggest a realistic experimental scenario that could be used to test the theory. We comment on the results of an experiment that has already been performed in the proposed geometry.