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hep-ph1995
Some Speculations on the Ultimate Planck Energy
A. Casher, S. Nussinov
The inability to achieve in the present universe, via electromagnetic or gravitational acceleration, Planck energies for elementary particles is suggested on the basis of several,…
hep-th1995
Anomalous Supersymmetry Breaking by Instantons
A. Casher, V. Elkonin, Y. Shamir
We show that instantons violate a supersymmetric identity in a classically supersymmetric Higgs model with no massless fermions. This anomalous breaking arises because the correct…