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29 papers · 2 filters
Hairs on the Unicorn: Fine Structure of Monopoles and Other Solitons
Alfred S. Goldhaber
Intrinsically stable or `fundamental' solitons may be decorated with conserved charges which are pieces of those carried by elementary particles in the same medium. These `hairs' a…
Momumentum Analyticity and Finiteness of Compactified String Amplitudes, Part I: Tori
Gordon Chalmers
We generalize to the case of compactified superstrings a construction given previously for critical superstrings of finite one loop amplitudes that are well-defined for all externa…
Quantization of Non-Polynomial Field Theories
Gordon Chalmers
We re-examine the quantization of a class of non-polynomial scalar field theories which interpolates continuously from a free one to theory. The quantization of such theories…
Component Actions from Curved Superspace: Normal Coordinates and Ectoplasm
S. James Gates, Marcus T. Grisaru, Marcia E. Knutt-Wehlau +1
We give efficient superspace methods for deriving component actions for supergravity coupled to matter. One method uses normal coordinates to covariantly expand the superfield acti…
A Superspace Normal Coordinate Derivation of the Density Formula
Marcus T. Grisaru, Marcia E. Knutt-Wehlau, Warren Siegel
Using normal coordinate expansions we derive by purely superspace methods the density formula giving the component action corresponding to a superspace supergravity-matter action.
Various Shades of Blue's Functions
Romuald A. Janik, Maciej A. Nowak, Gabor Papp +1
We discuss random matrix models in terms of elementary operations on Blue's functions (functional inverse of Green's functions). We show that such operations embody the essence of…