Eur. Phys. J. C (2014) 74: 3183
https://doi.org/10.1140/epjc/s10052-014-3183-x

Regular Article - Theoretical Physics

Jeans instability in superfluids

Raymond and Beverly Sackler School of Physics and Astronomy, Tel-Aviv University, 69978, Tel Aviv, Israel

^* e-mail: yaronoz@post.tau.ac.il

Received: 25 August 2014
Accepted: 14 November 2014
Published online: 26 November 2014

Abstract

We analyze the effect of a gravitational field on the sound modes of superfluids. We derive an instability condition that generalizes the well-known Jeans instability of the sound mode in normal fluids. We discuss potential experimental implications.