There is no "first" quantization

H. D. Zeh

Published 2002-10-12, updated 2003-03-30Version 3

The introduction of spinor and other massive fields by ``quantizing'' particles (corpuscles) is conceptually misleading. Only spatial fields must be postulated to form the fundamental objects to be quantized (that is, to define a formal basis for all quantum states), while apparent ``particles'' are a mere consequence of decoherence. This conclusion is also supported by the nature of gauge fields.