cicyt UNIZAR
Full-text links:

Download:

Current browse context:

physics.gen-ph

Change to browse by:

References & Citations

Bookmark

(what is this?)
CiteULike logo BibSonomy logo Mendeley logo del.icio.us logo Digg logo Reddit logo ScienceWISE logo

Physics > General Physics

Title: Space-Time Quasicrystal Structures and Inflationary and Late Time Evolution Dynamics in Accelerating Cosmology

Abstract: We construct new classes of cosmological solutions in modified and Einstein gravity theories encoding space-time quasicrystal, STQC, configurations modelled by nonlinear self-organized and pattern forming quasi-periodic structures. Such solutions are defined by generic off-diagonal locally anisotropic and inhomogeneous metrics depending via generating and integration functions on all spacetime coordinates. There are defined nonholonomic variables and conditions for the generating/integration functions and sources for effective descriptions, or approximations, as "quasi" Friedmann-Lama\^{\i}tre-Robertson-Walker (FLRW) metrics. Such (off-) diagonal STQC-FLRW configurations contain memory on nonlinear classical and/or quantum interactions and may describe new acceleration cosmology scenarios. For special time-periodic conditions on nonlinear gravitational and matter field interactions, we can model at cosmological scales certain analogous of time crystal like structures originally postulated by Frank Wilczek in condensed matter physics. We speculate how STQC quasi-FLRW configurations could explain modern cosmology data and provide viable descriptions for the inflation and structure formation in our Universe. Finally, it is discussed systematically and critically how a unified description of inflation with dark energy era can be explained by (modified) cosmological STQC-scenarios.
Comments: latex 2e, 11pt, 36 pages with a table of content
Subjects: General Physics (physics.gen-ph)
MSC classes: 83C45, 83C99, 53D55, 53B40, 53B35
Cite as: arXiv:1803.04810 [physics.gen-ph]
  (or arXiv:1803.04810v1 [physics.gen-ph] for this version)

Submission history

From: Sergiu I. Vacaru [view email]
[v1] Sat, 10 Mar 2018 16:39:19 GMT (39kb)