Reaction Matrix Calculations in Neutron Matter with Alternating-Layer-Spin Structure under π^0 Condensation. II : Numerical Results
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概要
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Results obtained by applying a formulation based on the reaction matrix theory developed in I are given. Calculations by making use of a modified realistic potential, the Reid soft-core potential with the OPEP-part enhanced due to the isobar (Δ)-mixing, show that the transition to the [ALS] phase of quasi-neutrons corresponding to a typical π^0 condensation occurs in the region of (2〜3) times the nuclear density. The most important ingredients responsible for this transition are the growth of the attractive ^3P_2 +^3F_2 contribution mainly from the spin-parallel pairs in the same layers and the reduction of the repulsive ^3P_1 contribution mainly from the spin-antiparallel pairs in the nearest layers ; these manifest themselves as the [ALS]-type localization develops. Properties of the matter under the new phase thus obtained such as the shape of the Fermi surface and the effective mass are discussed.
- 理論物理学刊行会の論文
- 1981-10-25
著者
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Tamagaki Ryozo
Department Of Physcis Kyoto University
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Tamiya Kyuichiro
Department Of Physcis Kyoto University
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Tamiya Kyuichiro
Department of Physics, Kyoto University
関連論文
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- Reaction Matrix Calculations for Neutron-Rich He-Isotopes
- Nuclear Matter Calculations with Soft-Core Potentials in Momentum Space. I
- Nuclear Matter and Soft Core Potentials
- Alpha-Clustering in Nuclear Matter at Low Density
- An Explanation of N-N "Repulsive Core" in Terms of Forbidden States Based on the Quark Model
- Chapter X Outlook
- Chapter VIII Implications of Various Hadron Phases to Neutron Star Phenomena
- Chapter VII Neutral Pion Condensation in Hot and Dense Nuclear Matter
- Chapter VI A Chiral Symmetry Approach to Meson Condensations
- Chapter V Toward Realistic Treatment of Neutral Pion-Condensed State
- Chapter III Characteristic Aspects of Pion-Condensed Phases
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- Static Interaction between Two Spherical Chiral Bags
- Interaction between Two Quark Layers in Chiral Bag Model : Nuclear Physics
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- Remarks on Shape of Repulsive Core of Nuclear Forces
- On the Applicability of the Pion-theoretical Nuclear Potential
- Two-Nucleon Problem with Pion Theoretical Potential, III : p-p Scattering at 18.2 Mev
- Two-Nucleon Problem with Pion Theorelical Potential, II : Singlet Even State
- Two-Nucleon Problem with Pion Theoretical Potential, I : Determination of Coupling Constant and Deuteron Problem
- Determination of the Pion Coupling Constant in Nuclear Forces
- Part II Verification of Pion Theory of Nuclear Forces
- Part I Development of Pion Theory of Nuclear Forces
- Chapter 1 Potential Model Approach
- Three-Alpha Structure of ^C in the Boson Model
- On the Collective Mode of Internal Motion of the Nucleus to be coupled with the Irrotational Surface Motion
- Chapter I Introduction
- Microscopic Study of ^O-^O Interaction by the Resonating Group Method
- A Possible Origin of Repulsive Core in Nuclear Forces
- Energy Gap in Nuclear Matter
- Cluster-Model Study of the T=1 States in A=4 System : ^3He+p Scattering
- Structure of the Second 0^+ State of ^4He
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- Attenuation of ^3P_2-Superfluidity in Neutron Star Matter Due to Charged-Pion Condensation
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- Proton-Proton Scattering at 52 MeV
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- A Note on Crystallization of Dense Neutron Matter
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