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Exact Bosonic Solutions of the Truncated skyrme model

Chinese Physics Letters 2010年第6期27卷 35-36页

作者： SHI Chang-Guang HIRAYAMA Minoru Department of Mathematics and Physics Shanghai University of Electric Power Shanghai 200090 Department of Physics University of Toyama Gofuku 3190 Toyama Japan

A model defined by half the Lagrangian （the highly nonlinear part） of the skyrme model is investigated. Two classes of bosonic solutions are obtained. It is shown that, although the field configurations of these two... 详细信息

关键词： skyrme model BOSONS LAGRANGE equations FIELD theory (Physics) MATHEMATICAL physics FORCE & energy

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A note on the soliton picture in a skyrme-like model

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Chinese Physics C 2012年第9期36卷 797-804页

作者：贾多杰张金虎王青 Institute of Theoretical Physics College of Physics and Electronic EngineeringNorthwest Normal University Key Laboratory of Atomic and Molecular Physics&Functional Materials of Gansu Province Institute of High Energy Physics Department of PhysicsTsinghua University

The role of the anti-commutator term of the chiral current in a skyrme-like model was studied associated with the symmetric Skyrmion and the nucleon properties in terms of the zero-mode quantization. It is shown that the Skyrmion is stable only when the anti-commutator term in the model has a negative coupling constant（-k^2） while a QCD functional analysis gives a positive coupling constant. This implies either the coupling is negligibly small and negative, or the soliton picture for the baryons is beyond the approximation of QCD at the level of the quark loop.

关键词： skyrme model soliton stability

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Recent progress on dense nuclear matter in skyrmion approaches

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Science China(Physics,Mechanics & Astronomy) 2017年第3期60卷 1-24页

作者： Yong Liang Ma Mannque Rho Center of Theoretical Physics and College of Physics Jilin University Institut de Physique Th'eorique CEA Saclay

The skyrme model provides a novel unified approach to nuclear physics. In this approach, single baryon, baryonic matter and medium-modified hadron properties are treated on the same footing. Intrinsic density dependence(IDD) reflecting the change of vacuum by compressed baryonic matter figures naturally in the approach. In this article, we review the recent progress on accessing dense nuclear matter by putting baryons treated as solitons, namely, skyrmions, on crystal lattice with accents on the implications in compact stars.

关键词： skyrme model hidden symmetries skyrmion crystal holographic nucleon BPS nuclei compact stars

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Analytical Solution for the SU（2） Hedgehog Skyrmion and Static Properties of Nucleons

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Chinese Physics Letters 2010年第12期27卷 23-26页

作者：贾多杰王晓维刘锋 Institute of Theoretical Physics College of Physics and Electronic Engineering Northwest Normal University Lanzhou 730070

An analytical solution for symmetric Skyrmion is proposed for the SU（2） skyrme model, which takes the form of the hybrid form of a kink-like solution, given by the instanton method. The static properties of nucleons is then computed within the framework of collective quantization of the skyrme model, in a good agreement with that given by the exact numeric solution. The comparisons with the previous results as well as the experimental values are also presented.

关键词： PARTICLES (Nuclear physics) skyrme model STATICS INSTANTONS GEOMETRIC quantization COMPARATIVE studies MATHEMATICAL analysis

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Skyrmion stability at finite isospin chemical potential and temperature

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Chinese Physics C 2020年第1期44卷 105-110页

作者： Wen-Li Yuan Zhen-Ni Xu Jin-Li Zhang Hong-Shi Zong Department of Physics Nanjing UniversityNanjing 210093China Department of Physics and Jiangsu Key Laboratory for Numerical Simulation of Large Scale Complex Systems Nanjing Normal UniversityNanjing 210023China Joint Center for Particle Nuclear Physics and CosmologyNanjing 210093China State Key Laboratory of Theoretical Physics Institute of Theoretical PhysicsCASBeijing 100190China

The skyrmion stability at finite isospin chemical potentialμ_I is studied using the skyrme Lagrangian with a finite pion mass m_π.A critical valueμ_(Ic)=■,above which a stable soliton does not exist,is *** also explore some properties of the skyrmion as function of i.e.,the isoscalar rms radius and the isoscalar magnetic rms ***,considering the finite temperature effect on the skyrmion mass,we obtain a critical temperature T_c,using the profile function of the skyrmion,above which the skyrmion mass does not have a minimum,which can be interpreted as the occurrence of the deconfinement phase transition.

关键词： skyrme model isospin chemical potential skyrmion stability

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