2005/05/01 by G. L. Comer, Comer, G. L. · 1 citation
Physics and Astronomy · #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #Other Condensed Matter (cond-mat.other) #cond-mat.other #gr-qc
paper · pdf · doi:10.48550/arxiv.gr-qc/0505005
The work presented here is unpublished, and not otherwise available. The original preprint is of some historic interest: it was one of the earliest articles in the modern, post-1990 revival of ``analog models'' for curved spacetime
arxiv created 2005/05/01 · arxiv updated 2009/12/01
We produce an analog of the Davies-Unruh effect for superfluid helium four. There are two temperatures which result--one is associated with ordinary, or first, sound and the other with second sound.