analytic regularization

analytic regularization

[‚an·əl′id·ik ‚reg·yə·lə·rə′zā·shən]
(quantum mechanics)
A method of extracting a finite piece from an infinite result in quantum field theory, based on analytically continuing the propagators that appear in typically divergent integrals.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.