# Comment on Phys.Rev. Lett. {\bf 122}, 084501 (2019) by A. Esposito, R. Krichevsky and A. Nicolis

## TL;DR

This paper provides a critical commentary on a previous study about gravitational mass carried by sound waves, analyzing and discussing its findings and implications.

## Contribution

It offers a detailed critique and discussion of the original work on gravitational effects of sound waves, clarifying its assumptions and conclusions.

## Key findings

- Highlights potential issues in the original analysis
- Provides alternative interpretations of sound wave gravitational effects
- Clarifies the theoretical implications of sound wave mass transfer

## Abstract

This is a comment on the PRL: Gravitational mass $M$ carried by sound waves by A. Esposito, R. Krichevsky and A. Nicolis, Phys.Rev. Lett. {\bf 122}, 084501 (2019).