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A matrix model for Misner universe and closed string tachyons
She, JH; She, JH , Chinese Acad Sci, Inst Theoret Phys, POBox 2735, Beijing 100080, Peoples R China
2006
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
ISSN1126-6708
期号1页码:-
摘要We use D-instantons to probe the geometry of Misner universe, and calculate the world volume field theory action, which is of the 1+0 dimensional form and highly non-local. Turning on closed string tachyons, we see from the deformed moduli space of the D-instantons that the spacelike singularity is removed and the region near the singularity becomes a fuzzy cone, where space and time do not commute. When realized cosmologically there can be controllable trans-planckian effects. And the infinite past is now causally connected with the infinite future, thus also providing a model for big crunch/big bang transition. In the spirit of IKKT matrix theory, we propose that the D-instanton action here provides a holographic description for Misner universe and time is generated dynamically. In addition we show that winding string production from the vacua and instability of D-branes have simple uniform interpretations in this second quantized formalism.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing 100080, Peoples R China
关键词D-branes
学科领域Physics
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收录类别SCI
WOS记录号WOS:000235034000002
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被引频次:31[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/6072
专题理论物理所1978-2010年知识产出
通讯作者She, JH , Chinese Acad Sci, Inst Theoret Phys, POBox 2735, Beijing 100080, Peoples R China
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She, JH,She, JH , Chinese Acad Sci, Inst Theoret Phys, POBox 2735, Beijing 100080, Peoples R China. A matrix model for Misner universe and closed string tachyons[J]. JOURNAL OF HIGH ENERGY PHYSICS,2006(1):-.
APA She, JH,&She, JH , Chinese Acad Sci, Inst Theoret Phys, POBox 2735, Beijing 100080, Peoples R China.(2006).A matrix model for Misner universe and closed string tachyons.JOURNAL OF HIGH ENERGY PHYSICS(1),-.
MLA She, JH,et al."A matrix model for Misner universe and closed string tachyons".JOURNAL OF HIGH ENERGY PHYSICS .1(2006):-.
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