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quant-ph1997
On (non)linear Quantum Mechanics
Peter Nattermann
We review a possible framework for (non)linear quantum theories, into which linear quantum mechanics fits as well, and discuss the notion of ``equivalence'' in this setting. Finall…
quant-ph1997
Nonlinear Quantum Mechanics and Locality
W. Luecke, P. Nattermann
It is shown that, in order to avoid unacceptable nonlocal effects, the free parameters of the general Doebner-Goldin equation have to be chosen such that this nonlinear Schrödinger…