De Sitter Universe

De Sitter Universe. Physicists have devised a holographic model of “de Sitter space” the term for a universe like ours that could give us new clues about the origin of space and time 28 Read Later A sketch by Xi Dong of the cutting warping and gluing procedure that he and his colleagues used to construct a hologram of a de Sitter universe Drawing by Xi Dong.

Auxiliary “massless” spin2 field in de Sitter universe H Pejhan1 MR Tanhayi2∗and MV Takook3† January 25 2011 arXiv11014311v1 [grqc] 22 Jan 2011 1 Department of Physics Science and Research Branch Islamic Azad University Tehran Iran 2 Department of Physics Islamic Azad University Central Tehran Branch Tehran Iran 3 Department of Physics Razi.

de Sitter Inflation University of Winnipeg

1 A de Sitter space is a submanifold of the Minkowski space described by the hyperboloid of one sheet − x 0 2 + x 2 = α 2 where α is some nonzero constant having the dimension of length cosmology spacetime universe cosmologicalconstant de.

Simplified Guide to dS and AdS quantum field theory

De Sitter Universe The de Sitter metric is The penrose diagram of this spacetime is given in figure One can see from it that this space is not asymptotically flat An important feature of that spacetime is the fact that it has a spacelike null infinity This leads to some apparent horizon.

De Sitter universe WikiMili, The Best Wikipedia Reader

In Willem de Sitter De Sitter’s concept of the universe differed in some respects from that of Einstein Einstein’s relativistic conception of curved space led him to envision the universe as static and unchanging in size but de Sitter maintained that relativity actually implied that the universe was constantly.