Knowledge Management System of Institute of Theoretical Physics, CAS
Guo, ZK ; Zhang, YZ; Guo, ZK , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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| Cosmological scaling solutions of multiple tachyon fields with inverse square potentials | |
| Source Publication | JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
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| Keyword | Exponential Potentials Assisted Inflation |
| Abstract | We investigate the cosmological dynamics of multiple tachyon fields with inverse square potentials. A phase-space analysis of the spatially flat FRW models shows that there exist power-law cosmological scaling solutions. We study the stability of the solutions only for the case of two tachyon fields and find that the potential - kinetic- scaling solution is a global attractor. However, in the presence of a barotropic fluid the solution is an attractor only in one region of the parameter space, and the tracking solution is an attractor in the other region. We briefly discuss the physical consequences of these results. |
| 2004 | |
| ISSN | 1475-7516 |
| Issue | 8Pages:- |
| Subject Area | Physics |
| Indexed By | SCI |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.itp.ac.cn/handle/311006/14028 |
| Collection | SCI期刊论文 |
| Corresponding Author | Guo, ZK , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China. |
| Recommended Citation GB/T 7714 | Guo, ZK,Zhang, YZ,Guo, ZK , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Cosmological scaling solutions of multiple tachyon fields with inverse square potentials[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2004(8):-. |
| APA | Guo, ZK,Zhang, YZ,&Guo, ZK , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2004).Cosmological scaling solutions of multiple tachyon fields with inverse square potentials.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(8),-. |
| MLA | Guo, ZK,et al."Cosmological scaling solutions of multiple tachyon fields with inverse square potentials".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .8(2004):-. |
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