Complex saddle points in finite-density QCD

Nishimura H, Ogilvie MC, Pangeni K (2015)
arXiv:1503.00060.

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Abstract
We consider complex saddle points in QCD at finite temperature and density,which are constrained by symmetry under charge and complex conjugations. Thisapproach naturally incorporates color neutrality, and the Polyakov loop and theconjugate loop at the saddle point are real but not identical. Moreover, it cangive rise to a complex mass matrix associated with the Polyakov loops,reflecting oscillatory behavior in color-charge densities. This aspect of thephase structure appears to be sensitive to the origin of confinement, asmodeled in the effective potential.
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Nishimura H, Ogilvie MC, Pangeni K. Complex saddle points in finite-density QCD. arXiv:1503.00060. 2015.
Nishimura, H., Ogilvie, M. C., & Pangeni, K. (2015). Complex saddle points in finite-density QCD. arXiv:1503.00060.
Nishimura, H., Ogilvie, M. C., and Pangeni, K. (2015). Complex saddle points in finite-density QCD. arXiv:1503.00060.
Nishimura, H., Ogilvie, M.C., & Pangeni, K., 2015. Complex saddle points in finite-density QCD. arXiv:1503.00060.
H. Nishimura, M.C. Ogilvie, and K. Pangeni, “Complex saddle points in finite-density QCD”, arXiv:1503.00060, 2015.
Nishimura, H., Ogilvie, M.C., Pangeni, K.: Complex saddle points in finite-density QCD. arXiv:1503.00060. (2015).
Nishimura, Hiromichi, Ogilvie, Michael C., and Pangeni, Kamal. “Complex saddle points in finite-density QCD”. arXiv:1503.00060 (2015).
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