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Field Theory Supertubes
Paul K. Townsend
Starting with intersecting M2-branes in M-theory, the IIA supertube can be found by compactification with a boost to the speed of light in the compact dimension. A similar procedur…
String and M-theory Deformations of Manifolds with Special Holonomy
H. Lu, C. N. Pope, K. S. Stelle +1
The R^4-type corrections to ten and eleven dimensional supergravity required by string and M-theory imply corrections to supersymmetric supergravity compactifications on manifolds…
Cosmology as Relativistic Particle Mechanics: From Big Crunch to Big Bang
J. G. Russo, P. K. Townsend
Cosmology can be viewed as geodesic motion in an appropriate metric on an `augmented' target space; here we obtain these geodesics from an effective relativistic particle action. A…
A Super-Flag Landau Model
Evgeny Ivanov, Luca Mezincescu, Paul K. Townsend
We consider the quantum mechanics of a particle on the coset superspace , which is a super-flag manifold with `body'. By incorporat…
Cosmology as Geodesic Motion
Paul K. Townsend, Mattias N. R. Wohlfarth
For gravity coupled to N scalar fields with arbitrary potential V, it is shown that all flat (homogeneous and isotropic) cosmologies correspond to geodesics in an (N+1)-dimensional…
More on supersymmetric tensionless rotating strings in AdS_5 x S^5
David Mateos, Toni Mateos, Paul K. Townsend
Rotating IIB strings in AdS_5 x S^5 become ultra-relativistic, and hence effectively tensionless, in the limit of large angular momentum on S^5. We have shown previously that such…