Particle-Hole and Delta-Hole Excitation in Nuclear Mater

Liu Lianggang; Ma Weixing; Jiang Huanqing

Chinese Physics C> 1994, Vol. 18> Issue(S4) : 391-398

Particle-Hole and Delta-Hole Excitation in Nuclear Mater

1. Department of Physics, Zhongshan University, Guangzhou;
2. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China

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Abstract：
A new relativistic method for calculation of particle-hole and Delta-hole excitations of the pion in nuclear matter is proposed. The difference between the usual method and ours is pointed out. The dispersion relation of the pion meson including virtual particle-hole excitations is analyzed. The results are compared numerically with that for the non-relativistic counterpart. The formulas of relativistic Delta-hole excitation induced by pion in nuclear matter are also discussed.
- nuclear matter ,
- π-propagator ,
- particle-hole excitation ,
- A-hole excitation ,
- relativistic Lindhard function ,
- π-dispersion relation
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Liu Lianggang, Ma Weixing and Jiang Huanqing. Particle-Hole and Delta-Hole Excitation in Nuclear Mater[J]. Chinese Physics C, 1994, 18(S4): 391-398.

Liu Lianggang, Ma Weixing and Jiang Huanqing. Particle-Hole and Delta-Hole Excitation in Nuclear Mater[J]. Chinese Physics C, 1994, 18(S4): 391-398. shu

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Received: 1993-12-20

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Supported by the National Natural Science Foundation of China.

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

Particle-Hole and Delta-Hole Excitation in Nuclear Mater

1. Department of Physics, Zhongshan University, Guangzhou;
2. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China

Received Date: 1993-12-20

Fund Project: Supported by the National Natural Science Foundation of China.

Abstract: A new relativistic method for calculation of particle-hole and Delta-hole excitations of the pion in nuclear matter is proposed. The difference between the usual method and ours is pointed out. The dispersion relation of the pion meson including virtual particle-hole excitations is analyzed. The results are compared numerically with that for the non-relativistic counterpart. The formulas of relativistic Delta-hole excitation induced by pion in nuclear matter are also discussed.