Excitations of the Charged Pion Field in Dense Nuclear Medium with a Neutral Condensate

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概要

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• The existence of the real π^- field with zero momentum in coexistence with the π^0 condensate is discussed for dense neutron matter. The pion nucleon interaction is taken to be the P-wave interaction. Effects of the S-wave and π-π contributions are also discussed. Contrary to considering the nuclear system as Fermi gas, presence of the π^0 condensate favours the reaction n→p+π^-. The Fermi level is lowered, and the energy gain is enough to create a π^- field with zero momentum.

• 理論物理学刊行会の論文
• 1981-06-25

著者

• Ferreira L.s.

  Departamento De Fisica Universidade De Coimbra

• Ruivo M.c.

  Departamento De Fisica Da Universidade De Coimbra

• Ferreira L.s.

  Departamento De Fisica Da Universidade De Coimbra

関連論文

• Collective Hamiltonian in the Adiabatic Approximation
• Charged Pion Condensation as a Standing Wave Mode
• Anharmonic Effects and Pre-Critical Phenomena in Pion Condensation
• Excitations of the Charged Pion Field in Dense Nuclear Medium with a Neutral Condensate

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