the unitarity gauge or unitary gauge is a particular choice of a gauge fixing in a gauge theory with a spontaneous symmetry breaking. In this gauge, the...

generalizations of or departures from unitarity are part of speculations about theories that may go beyond quantum mechanics. A unitarity bound is any inequality that...

of quantum field theory Standard Model (mathematical formulation) Unitarity gauge Weinberg angle Yang–Mills theory The particular number 246 GeV is taken...

involving Faddeev–Popov ghosts must be considered too (except in the unitarity gauge). Detailed computations with the above-mentioned Lagrangian show that...

– or as the absence of some gauge configurations. However, they are a necessary computational tool to preserve unitarity. The exact form or formulation...

essential to explain the generation mechanism of the property "mass" for gauge bosons. Without the Higgs mechanism, all bosons (one of the two classes...

hidden within the shape of the potential, that is very important. In a unitarity gauge one can set ϕ + = 0 {\displaystyle \phi ^{+}=0} and make ϕ 0 {\displaystyle...

{\displaystyle \varphi } and its derivative transform in the same way. By the unitarity of the representation, scalar products like ( φ , φ ) {\displaystyle (\varphi...

Axion model Effective action Minimal subtraction scheme Technicolor Unitarity gauge Spouse Louise Goldwasser ​ (m. 1954)​ Children 1 Awards Heineman Prize...

quantum mechanical properties of locality and unitarity. In amplituhedron theory, locality and unitarity arise as a direct consequence of positivity. They...

to: Unitarity (physics), a restriction on any theory in physics that all probabilities must sum to one Unitary gauge, a particular choice of a gauge fixing...

twistor-space methods applied to gauge-theory amplitudes. Bern and colleagues developed the method of "generalized unitarity as a means for obtaining loop...

Grojean, C.; Pilo, L.; Terning, J.; Terning, John (2004). "Gauge theories on an interval: Unitarity without a Higgs". Physical Review D. 69 (5): 055006. arXiv:hep-ph/0305237...

Becchi, C.; Rouet, A.; Stora, R. (1974). "The abelian Higgs Kibble model, unitarity of the S-operator". Physics Letters B. 52 (3). Elsevier BV: 344–346. Bibcode:1974PhLB...

Poisson's equation Unit commensurability Unit of length Unitarity (physics) Unitarity bound Unitarity gauge Unitary Plan Wind Tunnel United States Air Force...

of these objects violated a fundamental property of quantum mechanics, unitarity. ’t Hooft refused to accept this problem, known as the black hole information...

Grojean, C.; Murayama, H.; Pilo, L.; Terning, John (2004), "Gauge theories on an interval: Unitarity without a Higgs", Physical Review D, 69 (5): 055006, arXiv:hep-ph/0305237...

ghost field, ghost particle, or gauge ghost is an unphysical state in a gauge theory. Ghosts are necessary to keep gauge invariance in theories where the...

usually referred to as unitarity of time evolution. The apparent contradiction between Hawking's calculation and the unitarity postulate of quantum mechanics...

{\displaystyle \,V_{ij}\,} denote the corresponding CKM matrix coefficients. Unitarity of the CKM matrix implies that   | V ud | 2 + | V us | 2 + | V ub | 2...

Grojean, C.; Pilo, L.; Terning, J.; Terning, John (2004), "Gauge theories on an interval: Unitarity without a Higgs", Physical Review D, 69 (5): 055006, arXiv:hep-ph/0305237...

field theories, unitarity is equivalent to reflection positivity of correlation functions: one of the Osterwalder-Schrader axioms. Unitarity implies that...

usually referred to as unitarity of time evolution. The apparent contradiction between Hawking's calculation and the unitarity postulate of quantum mechanics...

10.1823. ISSN 0556-2821. D'Hoker, Eric; Giddings, Steven B. (1987). "Unitarity of the closed bosonic Polyakov string". Nuclear Physics B. 291. Elsevier...

Becchi, C.; Rouet, A.; Stora, R. (1974). "The abelian Higgs Kibble model, unitarity of the S-operator". Physics Letters B. 52 (3): 344–346. Bibcode:1974PhLB...

ISBN 978-3-319-06129-0. with Rouet, Stora: The Abelian Higgs-Kibble-Model. Unitarity of the S-Operator, Physics Letters B, Vol.52, 1974, pp. 344–346 doi:10...

called the Cabibbo–Kobayashi–Maskawa matrix (CKM matrix). Enforcing unitarity, the approximate magnitudes of the entries of the CKM matrix are: [ |...

Mathematical Institute, Chennai, Tamil Nadu. "The "Harder-Narasimhan Trace" and Unitarity of the KZ/Hitchin Connection: genus 0", Ann. of Math. 169, 1–39 (2009)...

than the Hamiltonian. Possible downsides of the approach include that unitarity (this is related to conservation of probability; the probabilities of...

theory, there are no local quantities at all. Heisenberg proposed to use unitarity to determine the S-matrix. In all conceivable situations, the sum of the...