# Penrose Limit and String Theories on Various Brane Backgrounds

@article{Fuji2002PenroseLA, title={Penrose Limit and String Theories on Various Brane Backgrounds}, author={Hiroyuki Fuji and Katsushi Ito and Yasuhiro Sekino}, journal={Journal of High Energy Physics}, year={2002}, volume={2002}, pages={005-005} }

We investigate the Penrose limit of various brane solutions including Dp-branes, NS5-branes, fundamental strings, (p,q) fivebranes and (p,q) strings. We obtain special null geodesics with the fixed radial coordinate (critical radius), along which the Penrose limit gives string theories with constant mass. We also study string theories with time-dependent mass, which arise from the Penrose limit of the brane backgrounds. We examine equations of motion of the strings in the asymptotic flat region…

## 37 Citations

### SEMICLASSICAL STRING SOLUTIONS ON DEFORMED NS5-BRANE BACKGROUNDS AND NEW PLANE WAVE

- Mathematics, Physics
- 2004

We study different Penrose limits of supergravity solution of NS5-brane in the presence of RR field. Although in the case of NS5-brane we get a four-dimensional plane wave, in the case with RR field…

### More on Penrose limits and non-local theories

- Physics, Mathematics
- 2003

We obtain the Penrose limit of six dimensional Non-Commutative Open String (NCOS6) theory and show that in the neighborhood of a particular null geodesic it leads to an exactly solvable string theory…

### Penrose limits and Green–Schwarz strings

- Physics
- 2003

We discuss the Green–Schwarz action for type IIB strings in general plane-wave backgrounds obtained as Penrose limits from any IIB supergravity solutions with vanishing background fermions. Using the…

### On (non)integrability of classical strings in p-brane backgrounds

- Physics, Mathematics
- 2013

We investigate the question of possible integrability of classical string motion in curved p-brane backgrounds. For example, the D3-brane metric interpolates between the flat and the AdS5 × S5…

### Penrose limit and NCYM theories in diverse dimensions

- Physics
- 2003

We obtain the Penrose limit of NCYM theories in dimensions 3 ≤ d ≤ 6 which originate from (D(p−2), Dp) supergravity bound state configurations for 2 ≤ p ≤ 5 in the so-called NCYM limit. In most cases…

### Power-law singularities in string theory and M-theory

- Mathematics
- 2004

We extend the definition of the Szekeres–Iyer power-law singularities to supergravity, string and M-theory backgrounds, and find that are characterized by Kasner-type exponents. The near singularity…

### Power-law singularities in string theory and M-theory

- Mathematics
- 2004

We extend the definition of the Szekeres–Iyer power-law singularities to supergravity, string and M-theory backgrounds, and find that are characterized by Kasner-type exponents. The near singularity…

### Penrose limits and spacetime singularities

- Mathematics
- 2004

We give a covariant characterization of the Penrose plane wave limit: the plane wave profile matrix A(u) is the restriction of the null geodesic deviation matrix (curvature tensor) of the original…

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We investigate Penrose limits of two classes of non-local theories, little string theories and non-commutative gauge theories. Penrose limits of the near-horizon geometry of NS5-branes help to shed…

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