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Related papers: Magnetic Field Effects on Hadron Yields and Fluctu…

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The effects of the freeze-out hypersurface and resonance decays on the pion correlation functions in relativistic heavy-ion collisions are studied with help of the hydro-inspired models with single freeze-out. The heavy-ion Monte-Carlo…

Nuclear Theory · Physics 2007-05-23 W. Florkowski , W. Broniowski , A. Kisiel , J. Pluta

We study properties of hadrons in the O(4) linear $\sigma$ model, where we take into account fluctuations of mesons around their mean field values using the Gaussian functional (GF) method. In the GF method we calculate dressed $\sigma$ and…

Nuclear Theory · Physics 2015-04-23 Hua-Xing Chen , Shotaro Imai , Hiroshi Toki , Li-Sheng Geng

Within the framework of the effective-field theory with correlations we investigate effects of an external magnetic field and random site dilution on basic thermodynamic quantities, such as the magnetization and the magnetic susceptibility,…

Statistical Mechanics · Physics 2023-07-19 M. Borovský , M. Žukovič , A. Bobák

We study Derrida's generalized random energy model in the presence of uniform external field. We compute the fluctuations of the ground state and of the partition function in the thermodynamic limit for all admissible values of parameters.…

Probability · Mathematics 2014-02-11 Anton Bovier , Anton Klimovsky

The features of magnetic field in relativistic heavy-ion collisions are systematically studied by using a modified magnetic field model in this paper. The features of magnetic field distributions in the central point are studied in the RHIC…

High Energy Physics - Phenomenology · Physics 2014-08-28 Yang Zhong , Chunbin Yang , Xu Cai , Shengqin Feng

We explore the feasibility of using dilepton radiations as a QGP magnetometer. We calculate the dilepton production rate in the presence of a time-dependent magnetic field typically found in heavy-ion collisions. We compute the thermal…

Nuclear Theory · Physics 2025-05-06 Han Gao , Xiang-Yu Wu , Sangyong Jeon , Charles Gale

The effect of surface fluctuation on the observables of quark-hadron phase transition is studied. The Ginzburg-Landau formalism is extended by the inclusion of an extra term in the free energy that depends on the vertical displacements from…

Nuclear Theory · Physics 2008-11-26 Zhen Cao , Rudolph C. Hwa

Giant protoplanets evacuate a gap in their host protoplanetary disc, which gas must cross before it can be accreted. A magnetic field is likely carried into the gap, potentially influencing the flow. Gap crossing has been simulated with…

Earth and Planetary Astrophysics · Physics 2015-08-06 Sarah L. Keith , Mark Wardle

Mesonic and nucleon fluctuation effects are investigated in medium. We couple the nucleon field to the $2+1$ flavor meson model and investigate the finite temperature and density behavior of the system, in particular, the axial anomaly…

High Energy Physics - Phenomenology · Physics 2017-08-02 G. Fejos , A. Hosaka

We derive a nonlocal effective Lagrangian for the chiral magnetic effect. An electric field is generated by winding number fluctuations of the nonabelian gauge field in the presence of a strong magnetic field. We estimate the magnitude of…

High Energy Physics - Phenomenology · Physics 2010-12-23 Berndt Müller , Andreas Schäfer

It has been pointed out in the literature that in the presence of an external magnetic field the axion mass receives an electromagnetic contribution. We show that if a magnetic field with energy density larger than ~10^{-8} times the energy…

Astrophysics · Physics 2009-11-13 L. Campanelli , M. Giannotti

We study effects of a mean-field interaction on the spacetime geometry of the hadron source measured by utilizing the Hanbury Brown and Twiss (HBT) interferometry in the ultrarelativistic heavy-ion collisions. We show how a modification of…

Nuclear Theory · Physics 2012-04-05 Koichi Hattori

We present a first-principles lattice QCD investigation of second-order fluctuations of and correlations among conserved charges -- baryon number (B), electric charge (Q), and strangeness (S) -- in the presence of external magnetic fields.…

High Energy Physics - Lattice · Physics 2025-06-17 Heng-Tong Ding , Jin-Biao Gu , Arpith Kumar , Sheng-Tai Li

The impact of strong magnetic fields B>10e13 G on the thermal evolution of neutron stars is investigated, including crustal heating by magnetic field decay. For this purpose, we perform 2D cooling simulations with anisotropic thermal…

Astrophysics · Physics 2010-11-11 Deborah N. Aguilera , José A. Pons , Juan A. Miralles

The thermodynamics of hot and dense matter created in heavy-ion collision experiments are usually studied as a system of infinite volume. Here we report on possible effects for considering a finite system size for such matter in the…

High Energy Physics - Phenomenology · Physics 2015-04-16 Abhijit Bhattacharyya , Rajarshi Ray , Subhasis Samanta , Subrata Sur

Relativistic heavy-ion collisions give rise to the formation of both deconfined QCD matter and a strong magnetic field. The spin of heavy quarks is influenced by interactions with the external magnetic field as well as by random scatterings…

Nuclear Theory · Physics 2025-11-18 Zhiwei Liu , Yunfan Bai , Shiqi Zheng , Anping Huang , Baoyi Chen

The influence of the magnetic field on the pion superfluidity and the phase structure is analyzed in the framework of the two-flavor Nambu--Jona-Lasinio(NJL) model. To do this, we first derive the thermodynamic potential from the Lagrangian…

High Energy Physics - Phenomenology · Physics 2013-10-14 Xiaohan Kang , Meng Jin , Juan Xiong , Jiarong Li

We investigate the effects of magnetic fields on neutrino production in microquasars. We calculate the steady particle distributions for the pions and muons generated in p-gamma and p-p interactions in the jet taking the effects of all…

Astrophysics · Physics 2009-11-13 Matías M. Reynoso , Gustavo E. Romero

Orbital magnetization is known empirically to play an important role in several magnetic phenomena, such as permanent magnetism and ferromagnetic superconductivity. Within the recently developed ''modern theory of orbital magnetization'',…

Strongly Correlated Electrons · Physics 2019-08-28 Tor Jonas Sjöstrand , Krister Karlsson , Ferdi Aryasetiawan

We consider a model for a metal-insulator transition of correlated electrons in an external magnetic field. We find a broad region in interaction and magnetic field where metallic and insulating (fully magnetized) solutions coexist and the…

Strongly Correlated Electrons · Physics 2009-10-31 V. Janis , G. Czycholl