The nucleon properties in finite temperature and density with Gaussian fluctuations
arXiv:2412.19982 · doi:10.1016/j.physletb.2025.139587
Abstract
We investigate the properties of nucleons at finite temperature and density using a two-flavor quark meson model with Gaussian fluctuations that extend beyond the mean-field approximation. Our findings suggest that Gaussian fluctuations lead to a non-monotonic behavior of the nucleon mass as a function of temperature and density, which may play an important role in the study of the hadronization process of relativistic heavy-ion collisions. Moreover, we observe an increase in the nucleon radius due to Gaussian fluctuations, suggesting an effective repulsive force akin to the Casimir effect, as observed in the gold-bromobenzene-silica system. This study offers new insights into how temperature, density, and quantum fluctuations affect the structure and properties of nucleons under extreme conditions.
arXiv comment12 pages, 6 figures, revised version to be published in PLB
References in corpus (38)
- QCD Phenomenology based on a Chiral Effective Lagrangian
- QCD at Finite Baryon Density: Nucleon Droplets and Color Superconductivity
- Chiral effective model with the Polyakov loop
- Hadron production in central nucleus-nucleus collisions at chemical freeze-out
- From hadrons to quarks in neutron stars: a review
- Chiral perturbation theory
- QCD Equation of State and Hadron Resonance Gas
- Measurement of the Neutron Radius of 208Pb Through Parity-Violation in Electron Scattering
- The Phase Structure of the Polyakov--Quark-Meson Model
- Features of particle multiplicities and strangeness production in central heavy ion collisions between 1.7A and 158A GeV/c
- Chiral Phase Transition within Effective Models with Constituent Quarks
- Nucleon Generalized Parton Distributions from Full Lattice QCD
- The phase structure of the Polyakov--quark-meson model beyond mean field
- Hadron properties in the nuclear medium
- Unveiling the strong interaction among hadrons at the LHC
- Critical Points in the Linear Sigma Model with Quarks
- Vacuum fluctuations and the thermodynamics of chiral models
- The renormalization group and quark number fluctuations in the Polyakov loop extended quark-meson model at finite baryon density
- Hadron structure from lattice quantum chromodynamics
- Meson fluctuations and thermodynamics of the Polyakov loop extended quark-meson model
- Properties of the QCD Matter -- An Experimental Review of Selected Results from RHIC BES Program
- Perturbative Thermal QCD: Formalism and Applications
- Experimental Tests of Asymptotic Freedom
- On the phase structure and thermodynamics of QCD
- Polyakov loop modeling for hot QCD
- Exploring the QCD Phase Structure with Beam Energy Scan in Heavy-ion Collisions
- Linear sigma model and chiral symmetry at finite temperature
- Role of Fluctuations in the Linear Sigma Model with Quarks
- Towards the nucleon hadronic tensor from lattice QCD
- Effective Potential of O(N) Linear Sigma Model at Finite Temperature
- Chiral baryon in the coherent pair approximation
- Chiral soliton model at finite temperature and density
- Nontopological Soliton in the Polyakov Quark Meson Model
- Nucleon Properties in the Polyakov Quark Meson Model
- Nucleon Properties in the Quantized Linear Sigma Model at Finite Temperature and Chemical Potential
- The baryon mass calculation in the chiral soliton model at finite temperature and density
- A Potential Model Study of the Nucleon's Charge and Mass Radius
- Mean-field approximation for the chiral soliton in a chiral phase transition