Hadronic Wave Functions in the Instanton Model
arXiv:hep-ph/9401289 · doi:10.1103/PhysRevD.50.478
Abstract
We study hadronic wave functions using an instanton model for the QCD vacuum. The wave functions are defined in terms of gauge invariant Bethe Salpeter amplitudes which we have determined numerically using a Monte Carlo simulation of the instanton ensemble. We find that the pion and the proton, as well as the rho meson and the delta have very similar wave functions but observe a sizeable splitting between mesons or baryons with different spin. We compare our results with data obtained in lattice gauge simulations.
20 pages, uuencoded postscript file appended, SUNY-NTG-94-5
References in corpus (8)
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- The instanton liquid in QCD at zero and finite temperature
- The Chiral Phase Transition and Instanton Anti-instanton Molecules
- An SU(2) KvBLL caloron gas model and confinement
- Instanton size distribution: repulsion or the infrared fixed point?
- Instanton content of finite temperature QCD matter
- The Instanton Density at Finite Temperatures
- A Mean Field Approach To The Instanton-Induced Effect Close To The QCD Phase Transition
- Pion wave function from lattice QCD vs. chiral quark models
- Instanton contributions to the low-lying hadron mass spectrum
- Topological zero modes at nonzero chemical potential
- Instanton effects on the twist-three light-cone distribution amplitudes of pion and light scalar mesons above 1GeV