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11 papers · 2 filters
Conformally invariant off-shell string physics
Robert C. Myers, Vipul Periwal
Using recent advances in the understanding of non-critical strings, we construct a unique, conformally invariant continuation to off-shell momenta of Polyakov amplitudes in critica…
Darboux Coordinates and Liouville-Arnold Integration in Loop Algebras
M. R. Adams, J. Harnad, J. Hurtubise
Darboux coordinates are constructed on rational coadjoint orbits of the positive frequency part $\wt{\frak{g}}^+$ of loop algebras. These are given by the values of the spectral pa…
Fractional Superstrings with Critical Spacetime Dimensions Four and Six: A Status Report
Keith R. Dienes
Fractional superstrings are non-trivial generalizations of ordinary superstrings and heterotic strings, and have critical spacetime dimensions which are less than ten by virtue of…
Influence Functionals and the Accelerating Detector
J. R. Anglin
The influence functional is derived for a massive scalar field in the ground state, coupled to a uniformly accelerating DeWitt monopole detector in dimensional Minkowski spac…
Chiral gravity in two dimensions
R. C. Myers, V. Periwal
It is shown that conformal matter with $c_{\ssc L}\not=c_{\ssc R}$ can be consistently coupled to two-dimensional `frame' gravity. The theory is quantized, following David, and Dis…
Fractional Superspace Formulation of Generalized Super-Virasoro Algebras
Stephane Durand
We present a fractional superspace formulation of the centerless parasuper-Viraso-ro and fractional super-Virasoro algebras. These are two different generalizations of the ordinary…