4 papers
Monopole and instanton effects on connected and disconnected correlations for scalar density
Masayasu Hasegawa
This study investigates the effects on the connected and disconnected correlations for the scalar density that are induced by created monopoles and instantons in the QCD vacuum. To…
Monopoles, spectra of overlap fermions, and eta-prime meson in external magnetic fields
Masayasu Hasegawa
The effects of external magnetic fields on monopoles, spectra of the overlap Dirac operator, instantons, and the mass of the eta-prime meson are examined by conducting lattice QCD…
Instanton effects on chiral symmetry breaking and hadron spectroscopy
Masayasu Hasegawa
This project aims to give indications to find monopole and instanton effects in QCD on the observables by experiments. First, we add the monopole and anti-monopole to the QCD vacuu…
Monopole and instanton effects in QCD
Masayasu Hasegawa
We aim to show the effects of the magnetic monopoles and instantons in quantum chromodynamics (QCD) on observables; therefore, we introduce a monopole and anti-monopole pair in the…