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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    http://arxiv.org/abs/hep-th/0409241http://arxiv.org/abs/hep-th/0404005http://arxiv.org/abs/hep-ph/0403308http://arxiv.org/abs/hep-th/0502189http://arxiv.org/abs/hep-th/0404216http://arxiv.org/abs/hep-ph/0407081http://arxiv.org/abs/hep-ph/0110002http://arxiv.org/abs/astro-ph/9307002http://arxiv.org/abs/astro-ph/0301273