Remarks on inflation and noncommutative geometry

被引:127
作者
Chu, CS [1 ]
Greene, BR
Shiu, G
机构
[1] Univ Neuchatel, Inst Phys, CH-2000 Neuchatel, Switzerland
[2] Univ Durham, Dept Math Sci, Ctr Paricle Theory, Durham DH1 3LE, England
[3] Columbia Univ, Inst Strings Cosmol & Astroparticle Phys, New York, NY 10027 USA
[4] Univ Pennsylvania, Dept Phys & Astron, Philadelphia, PA 19104 USA
关键词
D O I
10.1142/S0217732301005680
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We briefly discuss some possible cosmological implications of noncommutative geometry. While the noncommutativity we consider does not affect gravity, it can play an important role in the dynamics of other fields that are present in the early universe. We point out the possibility that noncommutativity may cause inflation induced fluctuations to become non-Gaussian and anisotropic, and may modify the short distance dispersion relations.
引用
收藏
页码:2231 / 2240
页数:10
相关论文
共 71 条
[11]   Non-conventional cosmology from a brane universe [J].
Binétruy, P ;
Deffayet, C ;
Langlois, D .
NUCLEAR PHYSICS B, 2000, 565 (1-2) :269-287
[12]   Asymmetric orbifolds, noncommutative geometry and type I string vacua [J].
Blumenhagen, R ;
Görlich, L ;
Körs, B ;
Lüst, D .
NUCLEAR PHYSICS B, 2000, 582 (1-3) :44-64
[13]  
CHAICHIAN M, HEPTH0010175
[14]  
CHAIR N, HEPTH0009037
[15]  
CHAMSEDDINE AH, HEPTH0005222
[16]  
CHAMSEDDINE AH, HEPTH0009153
[17]   Non-commutative open string and D-brane [J].
Chu, CS ;
Ho, PM .
NUCLEAR PHYSICS B, 1999, 550 (1-2) :151-168
[18]   Dynamical breaking of supersymmetry in noncommutative gauge theories [J].
Chu, CS ;
Khoze, VV ;
Travaglini, G .
PHYSICS LETTERS B, 2001, 513 (1-2) :200-206
[19]   Induced Chern-Simons and WZW action in noncommutative spacetime [J].
Chu, CS .
NUCLEAR PHYSICS B, 2000, 580 (1-2) :352-362
[20]  
Connes A, 1998, J HIGH ENERGY PHYS