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SUMMARY:An Infrared Topological Approach to Baryon Structure
DTSTART;VALUE=DATE-TIME:20261009T093000Z
DTEND;VALUE=DATE-TIME:20261009T100000Z
DTSTAMP;VALUE=DATE-TIME:20261005T083142Z
UID:indico-contribution-2807@indico.itp.ac.cn
DESCRIPTION:Speakers: 凡 林 (Anhui University of Science and Technology)
 \nThis report investigates the infrared structure of QCD through the lens 
 of the Cho–Faddeev–Niemi decomposition and Faddeev–Niemi effective t
 heory. We argue that gluon knots\, as topological solitons characterized b
 y the Hopf invariant\, constitute the relevant infrared ground-state degre
 es of freedom of Yang–Mills fields. Within this framework\, we present a
  unified mechanism for monopole condensation and center-vortex confinement
 . Crucially\, we introduce a picture of baryons as quarks embedded in a gl
 uon-knot background\, where dual superconductivity naturally gives rise to
  the characteristic $\\mathrm{Y}$-shaped flux-tube geometry. We further de
 lineate how the strong local color-magnetic fields drive chiral symmetry b
 reaking through magnetic catalysis. The talk will also highlight the topol
 ogical connection between the Hopf invariant\, Yang–Mills vacua\, and th
 e axial anomaly\, demonstrating that the topological current of gluon knot
 s offers a viable carrier for the missing proton spin. Ultimately\, we off
 er a cohesive\, topology-driven perspective uniting confinement\, chiral s
 ymmetry breaking\, and baryon structure.\n\nhttps://indico.itp.ac.cn/event
 /437/contributions/2807/
LOCATION:会议楼2 CXII401
URL:https://indico.itp.ac.cn/event/437/contributions/2807/
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