A -theorem at large Nf

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

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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.

Original languageEnglish
Article number025004
JournalPhysical Review D
Issue number2
Publication statusPublished - 15. Jan 2019


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Antipin, O., Dondi, N. A., Sannino, F., & Thomsen, A. E. (2019). A -theorem at large Nf. Physical Review D, 99(2), [025004]. https://doi.org/10.1103/PhysRevD.99.025004