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31 July 2023 to 4 August 2023
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Fluctuations of conserved charges in strong magnetic fields in (2+1)-flavor QCD

2 Aug 2023, 10:20
20m
Sunrise (WH11NE)

Sunrise

WH11NE

Speaker

Jin-Biao Gu (Central China Normal University)

Description

We present the first lattice QCD results of the second order fluctuations of and correlations among net baryon number, electric charge and strangeness in (2+1)-flavor lattice QCD in the presence of a background magnetic field with physical pion mass $m_\pi$ = 135 MeV. To mimic the magnetic field strength produced in the early stage of heavy-ion collision experiments we use 6 different values of the magnetic field strength up to ∼10 $m_{\pi}^2$. The simulations were performed using the Highly Improved Staggered Quarks with physical pion mass on $N_\tau=8$ and 12 lattices. By comparing lattice QCD results to results from the hadron resonance gas model, possible proxies are proposed to study the imprints of magnetic fields in high-energy heavy ion collision experiments.

Topical area QCD at Non-zero Temperature

Primary authors

Heng-Tong Ding (Central China Normal University) Jin-Biao Gu (Central China Normal University) Jun-Hong Liu (Central China Normal University) Sheng-Tai Li (Central China Normal University)

Presentation materials