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19912026
Showing 1995 · hep-thShow all

5 papers · 2 filters

hep-th1995

Null Surfaces, Initial Values and Evolution Operators for Scalar Fields

Ronald J. Adler, Ovid C. Jacob

We analyze the initial value problem for scalar fields obeying the Klein-Gordon equation. The standard Cauchy initial value problem for second order differential equation is to con…

hep-th1995★ 2 cited

Null Surfaces, Initial Values and Evolution Operators for Spinor Fields

Ovid C. Jacob, Ronald J. Adler

We analyze the initial value problem for spinor fields obeying the Dirac equation, with particular attention to the characteristic surfaces. The standard Cauchy initial value probl…

hep-th1995★ 23 cited

Grand Unification with Three Generations in Free Fermionic String Models

D. Finnell

We examine the problem of constructing three generation free fermionic string models with grand unified gauge groups. We attempt the construction of models, where i…

hep-th1995★ 79 cited

Exotic Non-Supersymmetric Gauge Dynamics from Supersymmetric QCD

Ofer Aharony, Jacob Sonnenschein, Michael E. Peskin +1

We extend Seiberg's qualitative picture of the behavior of supersymmetric QCD to nonsupersymmetric models by adding soft supersymmetry breaking terms. In this way, we recover the s…

hep-th1995★ 178 cited

INSTANTON CALCULATIONS VERSUS EXACT RESULTS IN 4 DIMENSIONAL SUSY GAUGE THEORIES.

D. Finnell, P. Pouliot

We relate the non-perturbative exact results in supersymmetry to perturbation theory using several different methods: instanton calculations at weak or strong coupling, a method us…