Interesting features quantum effective--1-Ioop contribution; gauge Invariance, Lorentz invariance correct trace anomaly; 2021/1/25
2021/1/25 11 Interesting features: quantum effective—1-loop contribution; gauge invariance; Lorentz invariance; correct trace anomaly;
E ner ens an ressure o e conden- sate Py=CEE-+=6E Py 6 ee--be Where e=2-eff is the dielectric function F ForF|<2→6<0→ py+1y=2E2/3<0 i. e. the weak energy condition is violated 2021/1 12
2021/1/25 12
Observe that the effective ym condensate behaves as at high energies, py>0y/3, radiation at low energies, py>-py, dark energy This will lead to the scaling behavior and the track solution 2021/1/25 13
2021/1/25 13 Observe that: the effective YM condensate behaves as at high energies, py →ρy /3, radiation at low energies, py →-ρy , dark energy This will lead to the scaling behavior, and the track solution
Friedmann equation i287G 3(m+ Pm +Pr) 4丌 。(P+3py+pm+p+3pn) 2021/1/25 14
2021/1/25 14 Friedmann equation:
The evolution equation for the condensate in the robertson-Walker space-time )-f0049( abc sU(2) group structure con- stant The v=0 component of this equation is an identity The spatial components(v=1, 2, 3)are the conservation oi energy y+3-(/py+y)=0 2021.. 15
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