1k citations · 5.3k across the 39 of their papers we have counts for
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gr-qc2013★ 7 cited
Hybrid f(R) theories, local constraints, and cosmic speedup
S. Capozziello, T. Harko, T. S. Koivisto +2
We present an extension of general relativity in which an term à la Palatini is added to the usual metric Einstein-Hilbert Lagrangian. Expressing the theory in a dynamically…
gr-qc2013★ 354 cited
Modified-gravity wormholes without exotic matter
Tiberiu Harko, Francisco S. N. Lobo, M. K. Mak +1
A fundamental ingredient in wormhole physics is the flaring-out condition at the throat which, in classical general relativity, entails the violation of the null energy condition.…