Chern-Simons EM-flation

Emil J. Martinec

doi:10.1007/JHEP02(2013)027

2013-02-06

Emil J. Martinec *

Peter Adshead

Mark Wyman

DOI：10.1007/JHEP02(2013)027

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摘要

En 中文

We propose a hew, generic mechanism of inflation mediated by a balance between potential forces and a Chern-Simons interaction. Such quasi-topological interactions are ubiquitous in string theory. In the minisuperspace approximation, their effect on the dynamics can be mapped onto the problem of a charged particle in an electromagnetic field together with an external potential; slow roll arises when the motion is dominated by the analogue of 'magnetic drift'. This mechanism permits inflation to proceed even in the presence of generic, steep scalar potentials. We suggest a possible experimental signature which, if observed, might be considered strong evidence for string theory.

Keyword:

Cosmology of Theories beyond the SM

Brane Dynamics in Gauge Theories

D-branes

期刊

Journal of High Energy Physics

IF:

5.5

论文数:

4.0W

被引数:

13.7W

机构

university of chicago

学者数:

4.5W

论文数: 3.7W

被引数: 80

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