D-branes in a big bang/big crunch universe: Misner space

  title={D-branes in a big bang/big crunch universe: Misner space},
  author={Yasuaki Hikida and Rashmi Rekha Nayak and Kamal Lochan Panigrahi},
  journal={Journal of High Energy Physics},
We study D-branes in a two-dimensional lorentzian orbifold 1,1/Γ with a discrete boost Γ. This space is known as Misner or Milne space, and includes big crunch/big bang singularity. In this space, there are D0-branes in spiral orbits and D1-branes with or without flux on them. In particular, we observe imaginary parts of partition functions, and interpret them as the rates of open string pair creation for D0-branes and emission of winding closed strings for D1-branes. These phenomena occur due… 

Figures from this paper

Fractional S-branes on a spacetime orbifold

Unstable D-branes are central objects in string theory, and exist also in time-dependent backgrounds. In this paper we take first steps to studying brane decay in spacetime orbifolds. As a concrete

A Matrix Model for Misner universe

We use D-instantons to probe the geometry of Misner universe, and calculate the world volume field theory action, which is of the 1+0 dimensional form and highly non-local. Turning on closed string

Matrix membrane big bangs and D-brane production

We construct matrix membrane theory in pp wave backgrounds that have a null linear dilaton in Type IIB string theory. Such backgrounds can serve as toy models of big bang cosmologies. At late times

String wave function across a Kasner singularity

A collision of orbifold planes in 11 dimensions has been proposed as an explanation of the hot big bang. When the two planes are close to each other, the winding membranes become the lightest modes

Se p 20 05 A Matrix Model for Misner Universe

We use D-instantons to probe the geometry of Misner universe, and calculate the world volume field theory action, which is of the 1+0 dimensional form and highly nonlocal. Turning on closed string

D-dualized D-brane

We further investigate the dimensional duality (D-duality) proposed in arXiv: 0705.0550 by mainly focusing on the properties of D-branes in this background. We derive the world-sheet correspondence

Toward the end of time

The null-brane space-time provides a simple model of a big crunch/big bang singularity. A non-perturbative definition of M-theory on this space-time was recently provided using matrix theory. We

D-instantons and Closed String Tachyons in Misner Space(Fundamental Problems and Applications of Quantum Field Theory)

We investigate closed string tachyon condensation in Misner space, a toy model for big bang universe. In Misner space, we are able to condense tachyonic modes of closed strings in the twisted

A Matrix Model for the Null-Brane

The null-brane background is a simple smooth 1/2 BPS solution of string theory. By tuning a parameter, this background develops a big crunch/big bang type singularity. We construct the DLCQ



D-branes in a big bang / big crunch universe: Nappi-Witten gauged WZW model

We study D-branes in the Nappi-Witten model, which is a gauged WZW model based on (SL(2,) × SU(2))/(U(1) × U(1)). The model describes a four dimensional space-time consisting of cosmological regions

Comments on D-brane dynamics near NS5-branes

We study the properties of a D-brane in the presence of k NS5 branes. The Dirac-Born-Infeld action describing the dynamics of this D-brane is very similar to that of a non-BPS D-brane in ten

A matrix big bang

The light-like linear dilaton background represents a particularly simple time-dependent 1/2 BPS solution of critical type-IIA superstring theory in ten dimensions. Its lift to M-theory, as well as

D-Brane Dynamics Near NS5-Branes

We use the Dirac-Born-Infeld action to study the real time dynamics of a $Dp$-brane propagating in the vicinity of $NS5$-branes. This problem is closely related to tachyon condensation on an unstable

Rolling down the throat in NS5-brane background: the case of electrified D-brane

We study rolling radion dynamics of electrified D-brane in NS5-brane background, both in effective field theory and in full open string theory. We construct exact boundary states and, from them,

Closed strings as imaginary D-branes

From big bang to big crunch and beyond

We study a quotient Conformal Field Theory, which describes a 3+1 dimensional cosmological spacetime. Part of this spacetime is the Nappi-Witten (NW) universe, which starts at a ``big bang''

Boundary states for the rolling D-branes in NS5 background

In this paper we construct the time dependent boundary states describing the ``rolling D-brane solutions'' in the NS5 background discovered recently by Kutasov by means of the classical DBI analysis.

D-brane propagation in two-dimensional black hole geometries

We study propagation of D0-brane in two-dimensional lorentzian black hole backgrounds by the method of boundary conformal field theory of SL(2,)/U(1) supercoset at level k. Typically, such

Dbrane near NS5-branes: with electromagnetic field

We study the Dp-brane dynamics near NS5-branes with constant electromagnetic field. In the framework of effective Dirac-Born-Infeld action, we investigate the effect of the electromagnetic field on