科研之友
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摘要
We show, by analyzing its characteristics, that the ghost-free, 5 degree of freedom, Wess-Zumino massive gravity model admits superluminal shock wave solutions and thus is acausal. Ironically, this pathology arises from the very constraint that removes the (sixth) Boulware-Deser ghost mode. DOI: 10.1103/PhysRevLett.110.111101
- 出版日期2013-3-12
