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Supersymmetric Deformations of G_2 Manifolds from Higher-Order Corrections to String and M-Theory
H. Lu, C. N. Pope, K. S. Stelle +1
The equations of 10 or 11 dimensional supergravity admit supersymmetric compactifications on 7-manifolds of holonomy, but these supergravity vacua are deformed away from spec…
Fuzzy CP(n|m) as a quantum superspace
Evgeny Ivanov, Luca Mezincescu, Paul K. Townsend
The `Chern-Simons Quantum Mechanics' of a particle on CP(n|m) is shown to yield the fuzzy descriptions of these superspaces, for which we construct the non-(anti)commuting position…
Cosmic Acceleration and M-Theory
Paul K. Townsend
The status of accelerating four-dimensional universes obtained by time-dependent compactifications of 10 or 11 dimensional supergravity is reviewed, as is the `no-go' theorem that…
Accelerating Cosmologies from Compactification
Paul K. Townsend, Mattias N. R. Wohlfarth
A solution of the (4+n)-dimensional vacuum Einstein equations is found for which spacetime is compactified on a compact hyperbolic manifold of time-varying volume to a flat four-di…
Odd coset quantum mechanics
Evgeny Ivanov, Luca Mezincescu, Anatoly Pashnev +1
The standard quantum states of complex Grassmann variables with a free-particle Lagrangian transform as a spinor of SO(2n). However, the same `free-fermion' model has a non-lin…