1997/09/19 by Peter Nattermann, Nattermann, Peter
Physics and Astronomy · #FOS: Physical sciences #Quantum Physics (quant-ph) #quant-ph
paper · pdf · doi:10.48550/arxiv.quant-ph/9709044
RevTeX, 10 pages, 1 figure; uses graphicx and fancybox. also available on http://www.pt.tu-clausthal.de/preprints/asi-tpa/013-97.html
arxiv created 1997/09/19 · arxiv updated 2009/12/01
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. Finally, we draw the attention to persisting severe problems of nonlinear quantum theories.