单词 | pion condensate |
释义 | pion condensate [`pī´än `känd·ǝn´sāt] NUCLEAR PHYSICS A state of nuclear matter compressed to abnormally high densities, in which great numbers of pairs of particles, each consisting of a positive pion and a negative pion, are generated, and interact strongly with the nucleons, causing them to form a coherent spin-isospin structure. |
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