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Strong Interaction

 
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Apr19-03, 05:09 PM   #1
 

Strong Interaction

Is there a general equation for the Strong Interaction?
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Apr20-03, 05:28 PM   #2
 
Yes -- the Langrangian is the Yang-Mills Lagrangian with the gauge group SU(3). ie

L= phibar(i*Dslash)phi - 1/4 * (F^i_uv)^2 -m*phibar*phi

where phi is the fermion (quark) field, F^i_uv is the gluon field tensor(s), m is the fermion mass, and D is the covariant derivative for SU(3).
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