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Pierre Salati Université de Savoie LAPTH

1. Constante cosmologique et observations le test
   des supernovae SNeIa lointaines.
2. Quintessence et champ scalaire primordial.
3. Matière noire astronomique et champ scalaire.

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Quintessence and the cosmological behaviourof
scalar fields.
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Neutral scalar field
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The Klein-Gordon equation
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The stress-energy tensor
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Towards the tracking solution
Equation of motion
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Towards the tracking solution
Overshooting
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Towards the tracking solution
Undershooting
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The stability of the tracking solution
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