publication . Other literature type . Article . 2013

The Complex Quantum and Classical Pseudo-Tachyonic Universe

Narayan Kumar Bhadra;
Open Access
  • Published: 05 Nov 2013
  • Publisher: Open Science Framework
Abstract
Abstract: We study a relation between the cosmological singularities in classical and quantum theory, comparing the classical and quantum dynamics in three models possessing the Big-Rip Singularity : the model mainly based on tachyon field and pseudo-tachyon field with respect to the pseudo-space RI ( iR , where ‘R’ is the scale factor of the universe and i  1 ). It was shown that in the pseudo-tachyon model the Hamiltonian is well defined and hence wave function of the universe is not obliged to vanish at the values of the variables, corresponding to the scale factor RI of the appearance of the Big-Rip singularity. There is some kind of a classical-quantum c...
Subjects
free text keywords: Open quantum system, Quantum dynamics, Quantum mechanics, Tachyon, Quantization (physics), Quantum cosmology, Quantum gravity, Theoretical physics, Mathematics, Quantum chaos, Quantum dissipation
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