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Fluctuations of conserved charges in strong magnetic fields from lattice QCD

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arxiv 2208.07285 v1 pith:W5SSG6MI submitted 2022-08-15 hep-lat hep-phnucl-exnucl-th

classification hep-lathep-phnucl-exnucl-th
keywords magneticfieldlatticebaryonchargecollisioncorrelationselectric
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

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 $ \sim $10$m_{\pi}^2$. We find that the correlations between baryon number and electric charge along the transition line are substantially affected by magnetic fields in the current $eB$ window, which could be useful for probing the existence of a magnetic field in heavy-ion collision experiments.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Leading-Order QCD Equation of State in Strong Magnetic Fields at Nonzero Baryon Chemical Potential

    hep-lat 2025-08 conditional novelty 6.0 of 10

    Continuum-estimated leading-order EoS coefficients in magnetized strangeness-neutral QCD at nonzero baryon chemical potential show temperature-band crossings in q1 and P2 and a possible sign change of the trace anomal...

  2. Correlations and fluctuations in a magnetized three-flavor PNJL model with and without inverse magnetic catalysis effect

    nucl-th 2025-04 conditional novelty 5.0 of 10

    In a magnetized three-flavor PNJL model, correlations and fluctuations peak at the chiral and deconfinement crossover, and the scaled BQ correlation rises fastest with magnetic field, a possible QCD magnetometer.

  3. Baryon-Electric Charge Correlations and Chemical Potentials as Probes of Magnetized QCD

    hep-lat 2025-02 conditional novelty 3.0 of 10

    Lattice QCD with physical quark masses shows the baryon-electric charge correlation nearly doubles in strong magnetic fields, offering a potential magnetometer for heavy-ion collisions.

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