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Quantum Corrections to the Reissner-Nordström and Kerr-Newman Metrics
John F. Donoghue, Barry R. Holstein, Björn Garbrecht +1
We use effective field theory techniques to examine the quantum corrections to the gravitational metrics of charged particles, with and without spin. In momentum space the massless…
Determination of <2pi_{I=2}|Q_{7,8}|K0> in the Chiral Limit
Vincenzo Cirigliano, John F. Donoghue, Eugene Golowich +1
We reconsider the dispersive evaluation of the weak matrix elements <2pi_{I=2}|Q_{7,8}|K0> in the chiral limit. The perturbative matching is accomplished fully within the scheme de…
Spatial gradients in the cosmological constant
John F. Donoghue
It is possible that there may be differences in the fundamental physical parameters from one side of the observed universe to the other. I show that the cosmological constant is li…