106 citations · 346 across the 16 of their papers we have counts for
3 papers · 1 filter
Direct Terrestrial Test of Lorentz Symmetry in Electrodynamics to 10
M. Nagel, S. R. Parker, E. V. Kovalchuk +5
Lorentz symmetry is a foundational property of modern physics, underlying the standard model of particles and general relativity. It is anticipated that these two theories are low…
Cryogenic resonant microwave cavity searches for hidden sector photons
Stephen R. Parker, John G. Hartnett, Rhys G. Povey +1
The hidden sector photon is a weakly interacting hypothetical particle with sub-eV mass that kinetically mixes with the photon. We describe a microwave frequency light shining thro…
Extending the frequency range of digital noise measurements to the microwave domain
Stephen R. Parker, Eugene N. Ivanov, John G. Hartnett
We describe the use of digital phase noise test sets at frequencies well beyond the sampling rate of their analog-to-digital converters. The technique proposed involves the transfe…