15 citations · 37 across the 4 of their papers we have counts for
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gr-qc2011★ 15 cited
The Cosmological Constant and Lorentz Invariance of the Vacuum State
Jurjen F. Koksma, Tomislav Prokopec
One hope to solve the cosmological constant problem is to identify a symmetry principle, based on which the cosmological constant can be reduced either to zero, or to a tiny value.…
gr-qc2007★ 8 cited
The Scalar Field Kernel in Cosmological Spaces
Jurjen F. Koksma, Tomislav Prokopec, Gerasimos I. Rigopoulos
We construct the quantum mechanical evolution operator in the Functional Schrodinger picture - the kernel - for a scalar field in spatially homogeneous FLRW spacetimes when the fie…