修正重力下的物质不稳定性( Matter instability in modified gravity )

Faraoni Valerio Theoretical or Mathematical/ cosmology dark energy general relativity gravitation radiofrequency cosmic radiation supernovae/ matter instability modified gravity Dolgov-Kawasaki instability Einstein gravity Einstein-Hilber Lagrangian metric formalism Palatini formalism dark energy accelerated universe inflation type Ia supernovae cosmic microwave background/ A0455 Alternative theories of gravitation A0420F Canonical formalism, Lagrangians, and variational principles in general relativity A9530S Relativity and gravitation in astrophysics A9880D Theoretical cosmology A9760B Supernovae A9870V Background cosmic radiations

在对爱因斯坦引力进行1/R修正的修正引力情景中，在物质扇区发现了Dolgov-Kawasaki不稳定性。在这些理论的度量版本中发现了一个稳定性条件，以帮助排除从理论角度不可行的模型。

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