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Hadron electric polarizability -- finite volume corrections
Hadron electric polarizability finite volume corrections
2011/1/7
We use the background field method to extract the polarizability for the neutral "pion". In our previous study we found that the polarizability for this system is negative which is believed to be a fi...
Perturbative renormalization factors and O(a^2) corrections for lattice 4-fermion operators with improved fermion/gluon actions
Perturbative renormalization factors O(a^2) corrections
2011/1/7
In this work we calculate the corrections to the amputated Green's functions of 4-fermion operators, in 1-loop Lattice Perturbation theory. One of the novel aspects of our calculations is that they ar...
Electromagnetic Corrections in Staggered Chiral Perturbation Theory
Electromagnetic Corrections Staggered Chiral Perturbation Theory
2011/1/7
To reduce errors in light-quark mass determinations, it is now necessary to consider electromagnetic contributions to light-meson masses. Calculations using staggered quarks and quenched photons are c...
Power-Law Entropic Corrections to Newton's Law and Friedmann Equations From Entropic Force
Power-Law Entropic Corrections Newton's Law Friedmann Equations
2010/12/22
A possible source of black hole entropy could be the entanglement of quantum fields in and out the horizon. The entanglement entropy of the ground state obeys the area law. However, a correction term...