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(Q5010970)
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English
CGHS model
toy model of gravity in 1+1 dimensions
Callan–Giddings–Harvey–Strominger model
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Statements
instance of
quantum field theory
0 references
defining formula
S
=
1
2
π
∫
d
2
x
−
g
{
e
−
2
ϕ
[
R
+
4
(
∇
ϕ
)
2
+
4
λ
2
]
−
∑
i
=
1
N
1
2
(
∇
f
i
)
2
}
{\displaystyle S={\frac {1}{2\pi }}\int d^{2}x\,{\sqrt {-g}}\left\{e^{-2\phi }\left[R+4\left(\nabla \phi \right)^{2}+4\lambda ^{2}\right]-\sum _{i=1}^{N}{\frac {1}{2}}\left(\nabla f_{i}\right)^{2}\right\}}
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maintained by WikiProject
WikiProject Mathematics
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Identifiers
Freebase ID
/m/0g57_sn
0 references
Microsoft Academic ID
2778417030
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Sitelinks
Wikipedia
(3 entries)
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enwiki
CGHS model
frwiki
Modèle CGHS
ptwiki
Modelo de CGHS
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![{\displaystyle S={\frac {1}{2\pi }}\int d^{2}x\,{\sqrt {-g}}\left\{e^{-2\phi }\left[R+4\left(\nabla \phi \right)^{2}+4\lambda ^{2}\right]-\sum _{i=1}^{N}{\frac {1}{2}}\left(\nabla f_{i}\right)^{2}\right\}}](https://wikimedia.org/api/rest_v1/media/math/render/svg/4f5c7279430f972f668071517d19ddd9a9289894)