The scenario that the Universe contracts towards a big crunch and then undergoes a transition to expanding Universe in envisaged in the quantum string cosmology approach. The Wheeler-De Witt equation is solved exactly for an exponential dilaton potential. S-duality invariant cosmological effective action, for type IIB theory, is considered to derive classical solutions and solve WDW equations
88 pages, 24 figuresThe AdS/CFT correspondence is used to describe five-dimensional cosmology with a...
88 pages, 24 figuresThe AdS/CFT correspondence is used to describe five-dimensional cosmology with a...
Quantum gravity has matured over the last decade to a theory which can tell in a precise and explici...
The scenario that the Universe contracts towards a big crunch and then undergoes a transition to an ...
We consider quantum field theory on a spacetime representing the Big Crunch/Big Bang transition post...
We present a short introduction to a non-standard cosmological scenario motivated by the duality sym...
The decay of the string perturbative vacuum into our present cosmological state is associated to the...
The decay of the string perturbative vacuum, if triggered by a suitable,duality-breaking dilaton pot...
We discuss the possibility of quantum transitions from the string perturbative vacuum to cosmologica...
Following the holographic description of linear dilaton null Cosmologies with a Big Bang in terms of...
We compute the amount of inflation required to solve the horizon problem of cosmology in the pre-big...
In string theory, the traditional picture of a Universe that emerges from the inflation of a very sm...
A string cosmology scenario ("pre-big-bang") postulates that the evolution of the Universe starts fr...
We write an O(d,d)-covariant Wheeler-De Witt equation in the (d^2+1)-dimensional minisuperspace of l...
88 pages, 24 figuresThe AdS/CFT correspondence is used to describe five-dimensional cosmology with a...
88 pages, 24 figuresThe AdS/CFT correspondence is used to describe five-dimensional cosmology with a...
88 pages, 24 figuresThe AdS/CFT correspondence is used to describe five-dimensional cosmology with a...
Quantum gravity has matured over the last decade to a theory which can tell in a precise and explici...
The scenario that the Universe contracts towards a big crunch and then undergoes a transition to an ...
We consider quantum field theory on a spacetime representing the Big Crunch/Big Bang transition post...
We present a short introduction to a non-standard cosmological scenario motivated by the duality sym...
The decay of the string perturbative vacuum into our present cosmological state is associated to the...
The decay of the string perturbative vacuum, if triggered by a suitable,duality-breaking dilaton pot...
We discuss the possibility of quantum transitions from the string perturbative vacuum to cosmologica...
Following the holographic description of linear dilaton null Cosmologies with a Big Bang in terms of...
We compute the amount of inflation required to solve the horizon problem of cosmology in the pre-big...
In string theory, the traditional picture of a Universe that emerges from the inflation of a very sm...
A string cosmology scenario ("pre-big-bang") postulates that the evolution of the Universe starts fr...
We write an O(d,d)-covariant Wheeler-De Witt equation in the (d^2+1)-dimensional minisuperspace of l...
88 pages, 24 figuresThe AdS/CFT correspondence is used to describe five-dimensional cosmology with a...
88 pages, 24 figuresThe AdS/CFT correspondence is used to describe five-dimensional cosmology with a...
88 pages, 24 figuresThe AdS/CFT correspondence is used to describe five-dimensional cosmology with a...
Quantum gravity has matured over the last decade to a theory which can tell in a precise and explici...
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