29 citations · 51 across the 3 of their papers we have counts for
3 papers
gr-qc2011★ 12 cited
Quantum Larmor radiation in conformally flat universe
Rampei Kimura, Gen Nakamura, Kazuhiro Yamamoto
We investigate the quantum effect on the Larmor radiation from a moving charge in an expanding universe based on the framework of the scalar quantum electrodynamics (SQED). A theor…
hep-th2010★ 10 cited
First-order quantum correction to the Larmor radiation from a moving charge in a spatially homogeneous time-dependent electric field
Kazuhiro Yamamoto, Gen Nakamura
First-order quantum correction to the Larmor radiation is investigated on the basis of the scalar QED on a homogeneous background of time-dependent electric field, which is a gener…
astro-ph.CO2009★ 29 cited
Breaking the scale invariance of the primordial power spectrum in Horava-Lifshitz Cosmology
Kazuhiro Yamamoto, Tsutomu Kobayashi, Gen Nakamura
We study the spectral tilt of primordial perturbations in Horava-Lifshitz cosmology. The uniform approximation, which is a generalization of the familiar Wentzel-Kramers-Brillouin…