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Aug 8 – 13, 2022
Hörsaalzentrum Poppelsdorf
Europe/Berlin timezone

One flavour adjoint QCD with overlap fermions

Aug 10, 2022, 3:40 PM
CP1-HSZ/Ground-0.001 - HS3 (CP1-HSZ)

CP1-HSZ/Ground-0.001 - HS3


Oral Presentation Particle physics beyond the Standard Model Particle physics beyond the Standard Model


Georg Bergner (University of Jena)


The infrared effective theory of adjoint QCD with one Dirac
flavour is still under debate. The theory could be confining, conformal,
or fermionic fields could become the lightest fields in the IR. Chiral
symmetry seems to be important to answer this question. Previous
investigations have considered Wilson fermions breaking chiral symmetry.
We present here the first results for this theory based on overlap
fermions. These indicate a chiral symmetry breaking and formation of a
fermion condensate. We have also investigated the running coupling of
the theory, which indicates no IR conformality in the energy region we have explored.

Primary authors

Georg Bergner (University of Jena) Ivan Soler (University of Jena) Dr Stefano Piemonte (UR)

Presentation materials