Browsing by Author "Krämer, Manuel"

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      Pre-Inflation From The Multiverse: Can It Solve The Quadrupole Problem In The Cosmic Microwave Background? 

      Morais, João; Bouhmadi López, Mariam ORCID; Krämer, Manuel; Robles Pérez, Salvador (Springer, 2018-03-21)
      We analyze a quantized toy model of a universe undergoing eternal inflation using a quantum-field-theoretical formulation of the Wheeler-DeWitt equation. This so-called third quantization method leads to the picture that ...
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      The Third Quantization: To Tunnel or Not to Tunnel? 

      Bouhmadi López, Mariam ORCID; Krämer, Manuel; Morais, João; Robles Pérez, Salvador (MDPI, 2018-03)
      Within the framework of the third quantization, we consider the possibility that an initially recollapsing baby universe can enter a stage of near de Sitter inflation by tunnelling through a Euclidean wormhole that connects ...