Non-supersymmetric string theory

被引：2
|
作者：
Martinec, Emil J. [1 ]
Robbins, Daniel [2 ]
Sethi, Savdeep [1 ]
机构：
[1] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA
[2] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2011年 / 10期
基金：
美国国家科学基金会;
关键词：
Tachyon Condensation; M(atrix) Theories; Long strings; MATRIX MODEL; BLACK-HOLES; SUPERSYMMETRY; DUALITY; BREAKING;
D O I：
10.1007/JHEP10(2011)078
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
A class of non-supersymmetric string backgrounds can be constructed using twists that involve space-time fermion parity. We propose a non-perturbative definition of string theory in these backgrounds via gauge theories with supersymmetry softly broken by twisted boundary conditions. The perturbative string spectrum is reproduced, and qualitative effects of the interactions are discussed. Along the way, we find an interesting mechanism for inflation. The end state of closed string tachyon condensation is a highly excited state in the gauge theory which, in all likelihood, does not have a geometric interpretation.
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页数：29
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