Tachyon field theory description of (thermo)dynamics in dS space
文献类型：期刊论文
| 作者 | Li HQ(李惠泉)1,2 ; Lu, J. X.3
|
| 刊名 | JOURNAL OF HIGH ENERGY PHYSICS
 |
| 出版日期 | 2016-01-05 |
| 期号 | 1 |
| 关键词 | Tachyon Condensation D-branes p-branes |
| ISSN号 | 1029-8479 |
| 产权排序 | 第一完成单位 |
| 通讯作者 | Li, HQ (reprint author), Chinese Acad Sci, Yunnan Observ, Kunming 650011, Peoples R China. |
| 英文摘要 | In this work, we present a few pieces of evidence in support of a possible connection of the gravitational theory in dS space to the world-volume theory of unstable D-branes. We show that the action describing the geodesic motion of a massive particle (or point-like object) in static dS space turns out to be the same as that of the tachyon field theory for an unstable particle. The motion along the radial direction from the origin, a locally Minkowski spacetime, to the horizon, a locally Rindler space times a sphere, represents just the tachyon condensation process, therefore providing a geometric picture of tachyon condensation. We further study a scalar in global or flat dS and the tachyon fluctuations in a homogeneous tachyon background, representing either the full or half S-brane, on unstable D-branes and find that certain dynamics of the dS universe corresponds to that of the homogeneous full or half S-brane. The thermal temperature of tachyon radiation is found to agree with that felt by any timelike observer in dS space. In string theory context, this temperature is just the Hagedorn one, signaling a phase transition to closed strings. An understanding of this transition in the bulk dS space is also given. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | Physics |
| 类目[WOS] | Physics, Particles & Fields |
| 研究领域[WOS] | Physics |
| 关键词[WOS] | OPEN STRING THEORY ; BPS D-BRANES ; HAWKING RADIATION ; MATTER |
| 收录类别 | SCI |
| 原文出处 | http://link.springer.com/article/10.1007/JHEP01(2016)022?view=classic |
| 语种 | 英语 |
| WOS记录号 | WOS:000367749000001 |
| 源URL | [http://ir.ynao.ac.cn/handle/114a53/9395]  |
| 专题 | 云南天文台_高能天体物理研究组 云南天文台_中国科学院天体结构与演化重点实验室 |
| 作者单位 | 1.Yunnan Observatories, CAS, Kunming, 650011, China 2.Key Laboratory for the Structure and Evolution of Celestial Objects, CAS, Kunming, 650011, China 3.Interdisciplinary Center for Theoretical Study, University of Science and Technology of China, Hefei, 230026, China |
| 推荐引用方式 GB/T 7714 | Li HQ,Lu, J. X.. Tachyon field theory description of (thermo)dynamics in dS space[J]. JOURNAL OF HIGH ENERGY PHYSICS,2016(1). |
| APA | Li HQ,&Lu, J. X..(2016).Tachyon field theory description of (thermo)dynamics in dS space.JOURNAL OF HIGH ENERGY PHYSICS(1). |
| MLA | Li HQ,et al."Tachyon field theory description of (thermo)dynamics in dS space".JOURNAL OF HIGH ENERGY PHYSICS .1(2016). |
入库方式： OAI收割
来源：云南天文台
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