84 citations · 656 across the 80 of their papers we have counts for
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gr-qc2019
Inflation Without a Trace of Lambda
John D. Barrow, Spiros Cotsakis
We generalise Einstein's formulation of the traceless Einstein equations to gravity theories. In the case of the vacuum traceless Einstein equations, we show that a non-cons…
gr-qc2019★ 2 cited
Cosmological wave maps
Spiros Cotsakis, John Miritzis, Koralia Tzanni
We consider theories of gravity that include many coupled scalar fields with arbitrary couplings, in the geometric framework of wave maps. We examine the possibility of obtaining a…