A -theorem at large Nf

Oleg Antipin, Nicola Andrea Dondi, Francesco Sannino, Anders Eller Thomsen

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Abstrakt

We determine the Jack and Osborn a-function and related metric for gauge-fermion theories to leading order in the large number of fermions and to all orders in the gauge coupling, demonstrating that the strong a-theorem is violated for the minimal choice of the a-function.

OriginalsprogEngelsk
Artikelnummer025004
TidsskriftPhysical Review D
Vol/bind99
Udgave nummer2
ISSN2470-0010
DOI
StatusUdgivet - 15. jan. 2019

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