Chiral phase transition of three flavor QCD with nonzero magnetic field using standard staggered fermions

Tomiya A, Ding H-T, Mukherjee S, Schmidt C, Wang X-D (2017)
In: 35th International Symposium on Lattice Field Theory (Lattice 2017).

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Abstract
Lattice simulations for (2+1)-flavor QCD with external magnetic field demonstrated that the quark mass is one of the important parameters responsible for the (inverse) magnetic catalysis. We discuss the dependences of chiral condensates and susceptibilities, the Polyakov loop on the magnetic field and quark mass in three degenerate flavor QCD. The lattice simulations are performed using standard staggered fermions and the plaquette action with spatial sizes Ns = 16 and 24 and a fixed temporal size Nt = 4. The value of the quark masses are chosen such that the system undergoes a first order chiral phase transition and crossover with zero magnetic field. We find that in light mass regime, the quark chiral condensate undergoes magnetic catalysis in the whole temperature region and the phase transition tend to become stronger as the magnetic field increases. In crossover regime, deconfinement transition temperature is shifted by the magnetic field when quark mass ma is less than 0.4. The lattice cutoff effects are also discussed.
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Conference
35th International Symposium on Lattice Field Theory (Lattice 2017)
Location
Granada, Spain
Conference Date
2017-06-18 – 2017-06-24
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Tomiya A, Ding H-T, Mukherjee S, Schmidt C, Wang X-D. Chiral phase transition of three flavor QCD with nonzero magnetic field using standard staggered fermions. In: 35th International Symposium on Lattice Field Theory (Lattice 2017). 2017.
Tomiya, A., Ding, H. - T., Mukherjee, S., Schmidt, C., & Wang, X. - D. (2017). Chiral phase transition of three flavor QCD with nonzero magnetic field using standard staggered fermions. 35th International Symposium on Lattice Field Theory (Lattice 2017)
Tomiya, A., Ding, H. - T., Mukherjee, S., Schmidt, C., and Wang, X. - D. (2017). “Chiral phase transition of three flavor QCD with nonzero magnetic field using standard staggered fermions” in 35th International Symposium on Lattice Field Theory (Lattice 2017).
Tomiya, A., et al., 2017. Chiral phase transition of three flavor QCD with nonzero magnetic field using standard staggered fermions. In 35th International Symposium on Lattice Field Theory (Lattice 2017).
A. Tomiya, et al., “Chiral phase transition of three flavor QCD with nonzero magnetic field using standard staggered fermions”, 35th International Symposium on Lattice Field Theory (Lattice 2017), 2017.
Tomiya, A., Ding, H.-T., Mukherjee, S., Schmidt, C., Wang, X.-D.: Chiral phase transition of three flavor QCD with nonzero magnetic field using standard staggered fermions. 35th International Symposium on Lattice Field Theory (Lattice 2017). (2017).
Tomiya, Akio, Ding, Heng-Tong, Mukherjee, Swagato, Schmidt, Christian, and Wang, Xiao-Dan. “Chiral phase transition of three flavor QCD with nonzero magnetic field using standard staggered fermions”. 35th International Symposium on Lattice Field Theory (Lattice 2017). 2017.
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