Re: Joint cosmology seminar of Harvard/MIT/Tufts

[Kentaro Nagamine <knagamin cfa harvard edu>]

Sorry for the missing date.

The following talk will be held tomorrow, Tue Oct 28th.

Ken


On Mon, 27 Oct 2003, Kentaro Nagamine wrote:

>
> Joint Cosmology Seminar of Harvard/MIT/Tufts
>
> Markus Luty (Maryland)
>
> Ghost Condensation and Consistent IR Modification of General Relativity
>
> This talk will describe the physics of a "ghost condensate", a new kind
> of cosmological fluid that can fill the universe and give rise to novel
> gravitational effects. The fluid has a preferred rest frame, but is
> nonetheless compatible with maximally symmetric background such as flat
> space or de Sitter. In these backgrounds, gravity is modified in a
> nontrivial way at large distances and late times. New phenomena include
> new contributions to dark energy and dark matter, antigravity, new
> spin-dependent forces, and oscillatory potentials. All of this new
> physics can be described by a completely explicit and consistent
> effective field theory.
>
> The seminar will be held in the Gilman room in Agassiz house, Radcliffe
> Institute (at the corner of Mason and Garden St. 10 min walk from CfA) at
> 2:30pm.
>
>