The QCD Vacuum

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The Complex Structure of Gluons• The gluon structure of theQCD vacuum is very richand complex.• The short-lived instantons,displayed here by theirlocalized energy, act tobind low-energy quarks totheir locations.• Quarks are thought to hopfrom instanton to instantonas they fluctuate in and outof the vacuum.

Lattice QCD and the SciDAC-2 LQCD Computing Project

Instantons• These localized objects areoften called Instantons.• They are short-lived (Instant)objects as can be seen in thisanimation which loops overtime.• Instantons are fourdimensionalspheres. Theyellow sphere in theforeground is what you wouldsee if a four-dimensionalsphere visited our world.

Page 1: QCD VisualizationsCourtesy of Pr. D
Page 5: Energy and WindingEach localized en

The QCD Vacuum

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