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Autor:
Cannella, Umberto
It would seem that the present dry economic times impose a very precise focus for science in general and physics in particular: research, possibly of applied type. However in doing so two basic pillars of a healthy future for science are being underm
Externí odkaz:
http://arxiv.org/abs/1210.0082
Autor:
Cannella, Umberto
In this PhD thesis I make use of the "Effective Field Theory of Gravity for Extended Objects" by Goldberger and Rothstein in order to investigate theories of gravity and to take a different point of view on the physical information that can be extrac
Externí odkaz:
http://arxiv.org/abs/1103.0983
Using a formulation of the post-Newtonian expansion in terms of Feynman graphs, we discuss how various tests of General Relativity (GR) can be translated into measurement of the three- and four-graviton vertices. In problems involving only the conser
Externí odkaz:
http://arxiv.org/abs/0907.2186
Autor:
Cannella, Umberto, Sturani, Riccardo
Publikováno v:
Gen.Rel.Grav.42:2491-2509,2010
We apply the Effective Field Theory approach to General Relativity, introduced by Goldberger and Rothstein, to study point-like and string-like sources in the context of scalar-tensor theories of gravity. Within this framework we compute the classica
Externí odkaz:
http://arxiv.org/abs/0808.4034
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