120 citations · 260 across the 12 of their papers we have counts for
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hep-ph2013★ 23 cited
Dark radiation and dark matter in supersymmetric axion models with high reheating temperature
Peter Graf, Frank Daniel Steffen
Recent studies of the cosmic microwave background, large scale structure, and big bang nucleosynthesis (BBN) show trends towards extra radiation. Within the framework of supersymme…
hep-ph2012★ 36 cited
Axions and saxions from the primordial supersymmetric plasma and extra radiation signatures
Peter Graf, Frank Daniel Steffen
We calculate the rate for thermal production of axions and saxions via scattering of quarks, gluons, squarks, and gluinos in the primordial supersymmetric plasma. Systematic field…
hep-ph2010★ 120 cited
Thermal axion production in the primordial quark-gluon plasma
Peter Graf, Frank Daniel Steffen
We calculate the rate for thermal production of axions via scattering of quarks and gluons in the primordial quark-gluon plasma. To obtain a finite result in a gauge-invariant way…