50 citations · 82 across the 4 of their papers we have counts for
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hep-th2005★ 50 cited
Scalar field instability in de Sitter space-time
Alexander Dolgov, Diego N. Pelliccia
Starting from the equation of motion of the quantum operator of a real scalar field phi in de Sitter space-time, a simple differential equation is derived which describes the evolu…
hep-th2004★ 22 cited
Gribov Problem for Gauge Theories: a Pedagogical Introduction
Giampiero Esposito, Diego N. Pelliccia, Francesco Zaccaria
The functional-integral quantization of non-Abelian gauge theories is affected by the Gribov problem at non-perturbative level: the requirement of preserving the supplementary cond…