Foch space

Foch space

[′fōsh ‚spās]
(quantum mechanics)
An infinite-dimensional vector space in which the state of a quantum-mechanical system with a variable number of particles is represented by an infinite number of wave functions, each of which corresponds to a fixed number of particles.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.