825 citations · 4.4k across the 170 of their papers we have counts for
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hep-th2018
Inflationary spectral tilts as a result of the dilatation symmetry breaking
Pisin Chen, Jiro Matsumoto, Rio Saitou
We derive the spectral indices and their runnings of single inflation models by a new approach. We perform a dilatation transformation to the linear cosmological perturbations and…
hep-th2018★ 21 cited
Hawking radiation as instantons
Pisin Chen, Misao Sasaki, Dong-han Yeom
There have been various interpretations of Hawking radiation proposed based on the perturbative approach, and all have confirmed Hawking's original finding. One major conceptual ch…