Ghost-free higher-derivative theory

被引：74
|
作者：
Smilga, AV [1 ]
机构：
[1] Univ Nantes, SUBATECH, F-44307 Nantes, France
来源：
PHYSICS LETTERS B | 2006年 / 632卷 / 2-3期
关键词：
D O I：
10.1016/j.physletb.2005.10.014
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We present an example of the quantum system with higher derivatives in the Lagrangian, which is ghost-free: the spectrum of the Hamiltonian is bounded from below and unitarity is preserved. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：433 / 438
页数：6
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