String Theory, Space-Time Non-Commutativity and Structure Formation
摘要
A natural consequence of string theory is a non-commutative structure of space-time on microscopic scales. The existence of a minimal length, and a modification of the effective field theory are two consequences of this space-time non-commutativity. I will first explore some consequences of the modifications of the effective field theory for structure formation in the context of an inflationary cosmology. Then, I will explore the possibility that the existence of a minimal length will lead to a structure formation scenario different from inflation. Specifically, I will discuss recent work on string gas cosmology.
引用
@article{arxiv.hep-th/0703173,
title = {String Theory, Space-Time Non-Commutativity and Structure Formation},
author = {Robert Brandenberger},
journal= {arXiv preprint arXiv:hep-th/0703173},
year = {2008}
}
备注
12 pages, 2 figures, based on an invited talk at the 21st Nishinomiya-Yukawa Memorial Symposium, Nov. 11 - 16, 2006, to be publ. in the proceedings (Prog. Theor. Phys. Suppl.)