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Adam Ritz
Verified
Host, The Adam Ritz Show
Beats
Sports Comedy Sports Comedy
Health, Agriculture,
Content
Chiral properties of the nucleon interpolating current and $\ensuremath{\theta}$-dependent observables
By Yohei Ema, Ting Gao, Maxim Pospelov, Adam Ritz| Physical Review B@ We revisit the chiral properties of nucleon interpolating currents, and show that of the two leading order currents j1 and j2, only two linear combinations j1±j2 transform covariantly under the anomalous U(1)A symmetry. As a result, calculations of quantities which vanish by symmetry in the chiral limit may produce unphysical results if carried out with different linear combinations of the currents.
Chiral properties of the nucleon interpolating current and $\ensuremath{\theta}$-dependent observables
By Yohei Ema, Ting Gao, Maxim Pospelov, Adam Ritz| Physical Review B@ We revisit the chiral properties of nucleon interpolating currents, and show that of the two leading order currents j1 and j2, only two linear combinations j1±j2 transform covariantly under the anomalous U(1)A symmetry. As a result, calculations of quantities which vanish by symmetry in the chiral limit may produce unphysical results if carried out with different linear combinations of the currents.
Company Info
The Adam Ritz Show
United States