Annealing of supersolidity in plastically deformed solid $^4$He
Materials Science
2012-10-17 v1 Statistical Mechanics
Abstract
We present a numerical study of a continuum plasticity field coupled to a Ginzburg-Landau model for superfluidity. The results suggest that a supersolid fraction may appear as a long-lived transient during the time evolution of the plasticity field at higher temperatures where both dislocation climb and glide are allowed. Supersolidity, however, vanishes with annealing. As the temperature is decreased, dislocation climb is arrested and any residual supersolidity due to incomplete annealing remains frozen. Our results provide a resolution of many perplexing issues concerning a variety of experiments on solid He.
Keywords
Cite
@article{arxiv.1210.4233,
title = {Annealing of supersolidity in plastically deformed solid $^4$He},
author = {Debabrata Sinha and Surajit Sengupta and Chandan Dasgupta and Oriol T. Valls},
journal= {arXiv preprint arXiv:1210.4233},
year = {2012}
}
Comments
4 and 1/2 pages, RevTex, 3 Figures