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10.1140/epjc/s10052-017-5172-3 http://scihub22266oqcxt.onion/10.1140/epjc/s10052-017-5172-3 C5589814!5589814!28943802     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Eur+Phys+J+C+Part+Fields 2017 ; 77 (9): ä Nephropedia Template TP {{tp|p=28943802|t=2017. Gravitational effective action at second order in curvature and gravitational waves |pdf=|usr=}}{{28943802}} gab.com Text Gravitational effective action at second order in curvature and gravitational waves JO: Eur Phys J C Part Fields http://www.kidney.de/pget.php?&tw=1&pmid=28943802 #FOAvip We consider the full effective theory for quantum gravity at second order in curvature including non-local terms. We show that the theory contains two new degrees of freedom beyond the massless graviton: namely a massive spin-2 ghost and a massive scalar field. Furthermore, we show that it is impossible to fine-tune the parameters of the effective action to eliminate completely the classical spin-2 ghost because of the non-local terms in the effective action. Being a classical field, it is not clear anyway that this ghost is problematic. It simply implies a repulsive contribution to Newton?s potential. We then consider how to extract the parameters of the effective action and show that it is possible to measure, at least in principle, the parameters of the local terms independently of each other using a combination of observations of gravitational waves and measurements performed by pendulum type experiments searching for deviations of Newton?s potential. Twit Text FOAVip Gravitational effective action at second order in curvature and gravitational waves ????Eur Phys J C Part Fields http://www.kidney.de/pget.php?&tw=1&pmid=28943802 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=28943802 #FOAvip English Wikipedia <ref>{{Cite pmid|28943802}}</ref> Gravitational effective action at second order in curvature and gravitational waves #MMPMID28943802 Calmet X; Capozziello S; Pryer D Eur Phys J C Part Fields 2017[]; 77 (9): ä PMID28943802show ga We consider the full effective theory for quantum gravity at second order in curvature including non-local terms. We show that the theory contains two new degrees of freedom beyond the massless graviton: namely a massive spin-2 ghost and a massive scalar field. Furthermore, we show that it is impossible to fine-tune the parameters of the effective action to eliminate completely the classical spin-2 ghost because of the non-local terms in the effective action. Being a classical field, it is not clear anyway that this ghost is problematic. It simply implies a repulsive contribution to Newton?s potential. We then consider how to extract the parameters of the effective action and show that it is possible to measure, at least in principle, the parameters of the local terms independently of each other using a combination of observations of gravitational waves and measurements performed by pendulum type experiments searching for deviations of Newton?s potential. äGravitational effective action at second order in curvature and gravit(epmc).pdf DeepDyve Pubget Overpricing