Decoding perturbation theory using resurgence: Stokes phenomena, new saddle points and Lefschetz thimbles
A Cherman, D Dorigoni, M Ünsal - Journal of High Energy Physics, 2015 - Springer
A bstract Resurgence theory implies that the non-perturbative (NP) and perturbative (P) data
in a QFT are quantitatively related, and that detailed information about non-perturbative …
in a QFT are quantitatively related, and that detailed information about non-perturbative …
Introductory lectures to large-N QCD phenomenology and lattice results
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Resurgence in quantum field theory: nonperturbative effects in the principal chiral model
We explain the physical role of nonperturbative saddle points of path integrals in theories
without instantons, using the example of the asymptotically free two-dimensional principal …
without instantons, using the example of the asymptotically free two-dimensional principal …
Free field representation and form factors of the chiral Gross-Neveu model
S Britton, S Frolov - Journal of High Energy Physics, 2013 - Springer
JHEP11(2013)076 Page 1 JHEP11(2013)076 Published for SISSA by Springer Received:
September 17, 2013 Accepted: October 27, 2013 Published: November 11, 2013 Free field …
September 17, 2013 Accepted: October 27, 2013 Published: November 11, 2013 Free field …
Planar quantum quenches: computation of exact time-dependent correlation functions at large N
AC Cubero - Journal of Statistical Mechanics: Theory and …, 2016 - iopscience.iop.org
We study a quantum quench of an integrable quantum field theory in the planar infinite-N
limit. Unlike isovector-valued O (N) models, matrix-valued field theories in the infinite-N limit …
limit. Unlike isovector-valued O (N) models, matrix-valued field theories in the infinite-N limit …
Seeing asymptotic freedom in an exact correlator of a large- matrix field theory
P Orland - Physical Review D, 2014 - APS
Exact expressions for correlation functions are known for the large-N (planar) limit of the (1+
1)-dimensional SU (N)× SU (N) principal chiral sigma model. These were obtained with the …
1)-dimensional SU (N)× SU (N) principal chiral sigma model. These were obtained with the …
Free field representation of the ZF algebra of the SU (N)× SU (N) PCF model
S Frolov - Journal of Physics A: Mathematical and Theoretical, 2017 - iopscience.iop.org
Free field representation of the ZF algebra of the SU(N) <b>×</b> SU(N) PCF model -
IOPscience Skip to content IOP Science home Accessibility Help Search Journals Journals …
IOPscience Skip to content IOP Science home Accessibility Help Search Journals Journals …
Operator Products in the SU() Principal Chiral Model
P Orland - arxiv preprint arxiv:2401.11331, 2024 - arxiv.org
The SU ($ N $) principal chiral model is asymptotically free and integrable in $1+ 1$
dimensions. In the large-$ N $ limit, there is no scattering, but correlation functions are {\em …
dimensions. In the large-$ N $ limit, there is no scattering, but correlation functions are {\em …
Nontrivial thermodynamics in 't Hooft's large- limit
AC Cubero - Physical Review D, 2015 - APS
We study the finite volume/temperature correlation functions of the (1+ 1)-dimensional SU
(N) principal chiral sigma model in the planar limit. The exact S-matrix of the sigma model is …
(N) principal chiral sigma model in the planar limit. The exact S-matrix of the sigma model is …
Dynamical mass reduction in the massive Yang-Mills spectrum in dimensions
The (1+ 1)-dimensional SU (N) Yang-Mills Lagrangian, with bare mass M and gauge
coupling e, naively describes gluons of mass M. In fact, renormalization forces M to infinity …
coupling e, naively describes gluons of mass M. In fact, renormalization forces M to infinity …