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3 votes

How to avoid the ordinary Coulomb solution in QCD?

First, I think your proposed current would break gauge invariance, but that's a relatively trivial problem in that I think you could reformulate your question getting around that issue. The bigger ...
Andrew's user avatar
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3 votes
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$ \pi^0\to \gamma\gamma$ parity conservation

As @Cosmas Zachos said in his comment, the Levi-Civita pseudotensor $\epsilon$ has negative parity. But why? This is the case because $\epsilon_{\mu\nu\rho\sigma} := \sqrt{-g}\ \varepsilon_{\mu\nu\rho\...
Gabriel Ybarra Marcaida's user avatar
2 votes
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How can dense quark matter stabilize wormholes?

These papers use the MIT Bag model, which treats the difference between the non-perturbative QCD vacuum from the perturbative vacuum inside of hadrons by a simple bag constant. For valance quarks that ...
Hokon's user avatar
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