Alexey Anisimov and Alexander Vikman- The Classical Stability Of The Ghost Condensate
Transcript of Alexey Anisimov and Alexander Vikman- The Classical Stability Of The Ghost Condensate
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arXiv:h
ep-ph/0411089v3
3Mar2005
Hinf M
Hinf M
http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3http://arxiv.org/abs/hep-ph/0411089v3 -
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L(,)
Cs
w
L(,)
L = M4
P(X) + Q(X)S
g
M3
,
M
X
X 12
g
M2
M2
,
P(X) Q(X) Sg
M3
g g
P(X)
X = 0 X X = X X
= M2
2Xt
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= M2
2Xt +
()2 2
S
d4x M4(h00 )2.
M4Q(X)S(g/M3) = 2(g)2/2M2
2 k4/M2
(X) = 0
P(X) X X X
X
H
H/M
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X = X
X < X.
X > X X < X.
X = X
X
()2
X
()2
()4 ()6
H
X Q(X) S(X)
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Hinf M 1
H M
H M
S = M4
d4x
gP(X), M
1g gP(X)
= 0,
P(X)
P(X) = P(0) X+ O(X2) X = 0 P(X) X = 0
X = X
X = 1 P(X) = 12
(X 1)2
ds2 = dt2
a2(t) dx2,
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t [P(X)t] + 3HP
(X)t 1a2
i [P(X)i] = 0,
H = a/a a(t)
a(t)
P(X) =const
a3(t) 0 as t +,
X = 0 X P(X) = 0
X
X > X
C2s P(X)
(X),
X = X (X) = 2XP(X) P(X)
X C2s > 0 (C2s < 0) X
X > X
X X
= M2
2Xt +
L = M4 [2XP(X) + P(X)] 2 P(X)()2
X > X 2 ()2 Xd < X < X
X < Xd X > X
X
X
S =
d4x
g
M4P(X) 2(g)
2
2M2
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X
X
P(X)
C2s
0
0
X
Xd
2
Xd X = 0 X = X
C2s 2
C2s
H(t)
H = const H = 2
3t
(0, 0,
0) H M
M/Mpl 1 tot > 0
0 < 0
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X
M
a3t
a3P(X)
=
2
(4) + 6H
+
6H+ 9H2
+
9HH+ 3H
P(X)
X > X
P(X)
P(X) =12(X 1)
2
y
y + 6Hy + 9H2y + 2 (y + 3yH P) = 0.
X = 1 =
2
P(X) =12(X 1)
2
y = 2 +
+ 6H +
9H2 +
2
2
+
6H
2= 0.
3 + 6H2 +
9H2 +
2
2
+
6H
2= 0.
1 = 3H, = 3
2H
1 1 8(3H)2 2 ,
H M
M 1 |1,+| 1013 232H1
exp(3HT) 2 exp(T) T T = Mt
N
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N = (H/M)2
N H 1013 M 1 1026 H/M =
2
100 200 300 400 500 600
1.02
1.04
1.06
1.08
1.1
1.12
1.14
X
T
H/M= 1013
H/M= 102
=2 + 0.1, = 0.1,
= 0.1 HM
= 102 X
X = 1 HM
= 1013 X
300
100
400
200
500
300 400 500 600
5107
1106
1.5106
2106
2.5106
8109
6109
4109
2109
T
T
= 0.1,
= 0.1 HM
102
=
2 + 0.1
H M
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M
M
X0 > X 0 =
0 = 0
H M H
X
10
5
20
10
30
15
40
20
0.995
0.995
1.005
0.9975
1.01
1.0025
1.005
1.0075
1.01
1.0125
X
X
T
T
H/M= 102
H/M= 101
=2 + 0.001, = 0.01,
= 0.001 H M
X0 > X
M
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H = 23t
y y
y + 6Hy + + 12
(y + 3yH P) = 0.
X = 1 P(X) =12(X 1)2 H(t) = 23t1
+4
t
+
2
+
2
2 = 0.
t2/
+2
(2 + ) + = 0
() =1
2[c + (a cos + b sin )] +
1
(a sin b cos ) .
()
=
2 + 0 = 0
= 0 ()
() = 0[20 1
2+
1
2cos( 0) + 1
sin( 0)].
M
1
2
sin( 0)
= 0
= 0
()2
0 1 202
1
,
tover MH2
,
H
M H
M = 1 H = 103
tover 109 1
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t
106
H 1013sec1 M = 1 1022sec tover 1041
25 50 75 100 125 150
1.005
1.01
1.015
1.02
1.025
1.03
X
T
0 = 10 =
2 + 0.1, = 0,
= 0
20
90 100 110 120
1.001
1.002
1.003
1.004
X
T
X
X= 1
()2
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50 100 150 200 2500.98
0.99
1.01
1.00
1.02
1.03
1.04
X
T
0 = 10 =
2 + 0.1, = 0.1,
= 0.1
a
b
0
0
() =c
2+
a2 + b2
2cos( ) +
a2 + b2
sin( ),
cos() a/a2 + b2 sin( ) 2
(0)
(0)
max 020
a2 + b2,
a b
a = b = 0 X
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H/M
M H
H M X
M
X > X X < X
V
M3
Z2
M
103
()2/M2
P(X)
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http://arxiv.org/abs/hep-th/0311312http://arxiv.org/abs/hep-th/9904176http://arxiv.org/abs/astro-ph/0310344http://arxiv.org/abs/astro-ph/0212003http://arxiv.org/abs/hep-th/0312100http://arxiv.org/abs/astro-ph/0201229http://arxiv.org/abs/gr-gc/0112012http://arxiv.org/abs/gr-gc/9908058http://arxiv.org/abs/astro-ph/0105068http://arxiv.org/abs/hep-th/0005016http://arxiv.org/abs/astro-ph/9912463http://arxiv.org/abs/astro-ph/0004134http://arxiv.org/abs/astro-ph/0006373http://arxiv.org/abs/hep-th/9904075http://arxiv.org/abs/hep-th/0312099 -
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