| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10726082 | Physics Letters B | 2006 | 4 Pages |
Abstract
We show that violation of the null energy condition implies instability in a broad class of models, including gauge theories with scalar and fermionic matter as well as any perfect fluid. When applied to the dark energy, our results imply that w=p/Ï is unlikely to be less than â1.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Nuclear and High Energy Physics
Authors
Roman V. Buniy, Stephen D.H. Hsu,