Higgs Phase of Gravity in String Theory - LUTh
Higgs Phase of Gravity in String Theory - LUTh
Higgs Phase of Gravity in String Theory - LUTh
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For simplicity<br />
L<br />
φ<br />
E.O.M.<br />
= P<br />
( 2 ) ( ∂φ)<br />
<strong>in</strong> FRW background.<br />
[ ]<br />
3<br />
∂ ′ ⋅φ<br />
= a P<br />
t<br />
0<br />
P<br />
′φ → 0 P as a → ∞<br />
′ φ <br />
P<br />
φ = 0 or ( ) 0<br />
2 =<br />
(unstable ghosty<br />
background)<br />
φ
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