Effect of Magnetic Field on QGP Equation of State

Kumar, Yogesh

doi:10.7566/jpscp.26.024028

Cited by 3 publications

(4 citation statements)

References 12 publications

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“…Conversely, the EoS of QGP exhibits a substantial influence from constant magnetic fields and lower values of time-varying magnetic fields. Notably, predictions from other models regarding the EoS of QGP align with earlier results obtained from lattice QCD [14,72,74,75,90].…”

supporting

confidence: 84%

“…where F 0 is the total free energy for quarks, gluon, and interface term without magnetic field [71,73,91] and F B q is the free energy for the quark in the occurrence of strong magnetic field [90]. In the absence of magnetic field, the net value of F T B is retraced as F 0 , i.e., the total free energy in the vanishing magnetic field.…”

Section: Equation Of State Of Qgp In the Presence Of Magnetic Fieldmentioning

confidence: 99%

“…The value of total pressure can suitably obtained using the modified free energy as used in Ref. [90]:…”

Section: Equation Of State Of Qgp In the Presence Of Magnetic Fieldmentioning

confidence: 99%

“…Our current results for time-dependent magnetic field are compared with Ref. [90] at zero and fixed values of the magnetic field.…”

mentioning

confidence: 90%

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Role of Time-Varying Magnetic Field on QGP Equation of State

Kumar,

Jain,

Bangotra

et al. 2024

Advances in High Energy Physics

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The phase diagram of quantum chromodynamics (QCD) and its associated thermodynamic properties of quark-gluon plasma (QGP) are studied in the presence of time-dependent magnetic field. The study plays a pivotal role in the field of cosmology, astrophysics, and heavy-ion collisions. In order to explore the structure of quark-gluon plasma to deal with the dynamics of quarks and gluons, we investigate the equation of state (EoS) not only in the environment of static magnetic field but also in the presence of time-varying magnetic fields. So, for determining the equation of state of QGP at nonzero magnetic fields, we revisited our earlier model where the effect of time-varying magnetic field was not taken into consideration. Using the phenomenological model, some appealing features are noticed depending upon the three different scales: effective mass of quark, temperature, and time-independent and time-dependent magnetic fields. Earlier the effective mass of quark was incorporated in our calculations, and in the current work, it is modified for static and time-varying magnetic fields. Thermodynamic observables including pressure, energy density, and entropy are calculated for a wide range of temperature- and time-dependent as well as time-independent magnetic fields. Finally, we claim that the EoS are highly affected in the presence of a magnetic field. Our results are notable compared to other approaches and found to be advantageous for the measurement of QGP equation of state. These crucial findings with and without time-varying magnetic field could have phenomenological implications in various sectors of high-energy physics.

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confidence: 84%