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Related papers: Pion quasiparticles in isospin medium from hologra…

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Spectra of pions, which are known as the pseudo-Goldstone bosons of spontaneous chiral symmetry breaking, as well as their relationship with chiral phase transition and pion superfluidity phase transition, have been investigated in the…

High Energy Physics - Phenomenology · Physics 2021-01-04 Xuanmin Cao , Hui Liu , Danning Li

We investigate the properties of the pion quasiparticle in the low-temperature phase of two-flavor QCD on the lattice with support from chiral effective theory. We find that the pion quasiparticle mass is significantly reduced compared to…

High Energy Physics - Lattice · Physics 2015-09-22 Bastian B. Brandt , Anthony Francis , Harvey B. Meyer , Daniel Robaina

We investigate the properties of the pion quasiparticle in the low-temperature phase of two-flavor QCD on the lattice with support from chiral effective theory. We find that the pion quasiparticle mass is significantly reduced compared to…

High Energy Physics - Lattice · Physics 2015-11-18 Bastian B. Brandt , Anthony Francis , Harvey B. Meyer , Daniel Robaina

We investigate pion superfluidity and its effect on meson properties and equation of state at finite temperature and isospin and baryon densities in the frame of standard flavor SU(2) NJL model. In mean field approximation to quarks and…

High Energy Physics - Phenomenology · Physics 2009-11-11 Lianyi He , Meng Jin , Pengfei Zhuang

Density and thermal corrections to the mass of the pions are studied in the framework of the SU(2) low energy effective chiral lagrangian, in terms of the isospin chemical potential $\mu_\tin{I}$. We concentrate the discussion in the region…

High Energy Physics - Phenomenology · Physics 2009-11-10 M. Loewe , C. Villavicencio

We study the phase transition between pion condensed phase and normal phase, as well as chiral phase transition in a two flavor($\mathcal{N}_f=2$) IR- improved soft-wall AdS/QCD model at finite isospin chemical potential $\mu_I$ and…

High Energy Physics - Phenomenology · Physics 2020-08-26 Xuanmin Cao , Hui Liu , Danning Li , Guanning Ou

Introduction of a nonzero isospin chemical potential in QCD leads to the emergence of a pion condensed phase at sufficiently large $\mu_I$, bounded by a second order transition line. At zero temperature the pion condensate appears at $\mu_I…

High Energy Physics - Lattice · Physics 2025-12-08 Bastian B. Brandt , Volodymyr Chelnokov , Francesca Cuteri , Gergely Endrődi

We improve the holographic description of isospin-asymmetric baryonic matter within the Witten-Sakai-Sugimoto model by accounting for a realistic pion mass, computing the pion condensate dynamically, and including rho meson condensation by…

High Energy Physics - Phenomenology · Physics 2023-10-05 Nicolas Kovensky , Aaron Poole , Andreas Schmitt

The density corrections, in terms of the isospin chemical potential $\mu_I$, to the mass of the pions are studied in the framework of the SU(2) low energy effective chiral lagrangian. The pion decay constant $f_{\pi}(T, \mu_{I})$ is also…

High Energy Physics - Phenomenology · Physics 2009-11-07 M. Loewe , C. Villavicencio

The thermal properties of light mesons, including the temperature dependence of their masses (both screening and pole masses) and thermal widths, are studied in a two-flavor ($N_f=2$) soft-wall AdS/QCD model. By solving the spatial…

High Energy Physics - Phenomenology · Physics 2021-09-01 Xuanmin Cao , Songyu Qiu , Hui Liu , Danning Li

The density corrections, in terms of the isospin chemical potential $\mu_I$, to the mass of the pions are investigated in the framework of the SU(2) low energy effective chiral invariant lagrangian. As a function of temperature and $\mu_I…

High Energy Physics - Phenomenology · Physics 2009-11-07 M. Loewe , C. Villavicencio

The properties of QCD matter at finite isospin densities are investigated employing holographic hard-wall and soft-wall AdS/QCD models. It is confirmed that at high enough isospin densities, charged pions start to condense and the pion…

High Energy Physics - Phenomenology · Physics 2024-09-02 Yidian Chen , Mingshan Ding , Danning Li , Kazem Bitaghsir Fadafan , Mei Huang

We investigate dilepton production from an isospin-asymmetric hot and dense medium in order to explore the role of isospin imbalance in electromagnetic spectral properties. We focus in particular on modifications of the dilepton production…

High Energy Physics - Phenomenology · Physics 2026-04-24 Aritra Bandyopadhyay , Chowdhury Aminul Islam , Krzysztof Redlich , Chihiro Sasaki

Within the framework of the thermal soft-wall model of AdS/QCD, we investigate phenomenological properties of pions at finite temperature. This includes the electromagnetic (EM) form factor $F_{\pi}(Q^{2}, T)$, the thermal mass…

High Energy Physics - Phenomenology · Physics 2025-11-25 Narmin Nasibova , Xerxes D. Arsiwalla

We consider the thermodynamics of three-flavor QCD in the pion-condensed phase at nonzero isospin chemical potential ($\mu_I$) and vanishing temperature using chiral perturbation theory in the isospin limit. The transition from the vacuum…

High Energy Physics - Phenomenology · Physics 2020-06-01 Prabal Adhikari , Jens O. Andersen

The thermal and density corrections, in terms of the isospin chemical potential $\mui $, to the mass of the pions, the decay constant and different condensates are studied in the framework of the SU(2) low energy effective chiral lagrangian…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. Villavicencio

Finite isospin chemical potential $\mu_I$ and temperature $T$ have been introduced in the framework of soft-wall AdS/QCD model. By self-consistently solve the equation of motion, we obtain the phase boundary of pion condensation phase,…

High Energy Physics - Phenomenology · Physics 2020-01-08 Meng Lv , Danning Li , Song He

We investigate chiral phase transitions and the screening masses, pole masses, and thermal widths of neutral pion meson with finite temperature $T$ and magnetic field $B$ in a lattice-improved AdS/QCD model, which is constructed by fitting…

High Energy Physics - Theory · Physics 2024-02-12 Nanxiang Wen , Xuanmin Cao , Jingyi Chao , Hui Liu

We study chiral symmetry restoration by analyzing thermal properties of QCD's (pseudo-)Goldstone bosons, especially the pion. The meson properties are obtained from the spectral densities of mesonic imaginary-time correlation functions. To…

High Energy Physics - Phenomenology · Physics 2023-02-15 Yin-Zhen Xu , Si-Xue Qin , Hong-Shi Zong

The pion superfluid and the corresponding Goldstone and soft modes are investigated in two-flavor quark-meson model with functional renormalization group. By solving the flow equations for the effective potential and the meson two-point…

High Energy Physics - Phenomenology · Physics 2017-07-19 Ziyue Wang , Pengfei Zhuang
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