The Particle-Hole and Delta-Hole Excitations in Nuclear Matter

Liu Lianggang; Ma Weixing; Jiang Huanqing

Chinese Physics C> 1994, Vol. 18> Issue(11) : 1027-1034

The Particle-Hole and Delta-Hole Excitations in Nuclear Matter

Department of Physics,Zhongshan University,Guangzhou 5102751 Institute of High Energy Physics,Academia Sinica,Beijing 100039

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Abstract：
A new method for the relativistic calculations of particle hole and delta-hole excitations of pious in nuclear matter is given.We point out the difference between the usual methods and ours.The dispersion relation of the pion meson including virtual particle-hole excitation is calculated and compared numerically with that of the non-relativistic case.The formulae of relativistic delta-hole excitation of pious in nuclear matter are also given.

References

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A.B.Migdal,Rev.Mod.Phys.50（1982）107;M.Rho,Ann.Rev.Nucl,Part.Sci.,34（1984）531.[2]E.Oset,H.Toki,and W.Weise:Phys.Rep,4（1982）281;W.Ehehalt,et al.,Phys.Lett.,B298（1993）31.[3]L.H.Xia,et al,Nucl.Phys,A485（1988）721,[4]B.D.Serot,and J.D.Walecka,Adv.Nucl.Phys,16（1986）1.[5]W.Bentz et al,Nucl.Phys,A436（1985）593.[6]e.g,T.Herbert,K.Wehrberger,and F.Beck,Nucl.Phys,A541（1992）699.[7]C.Garcia-Pecio,E.Oset and L.L.Salcedo,Phys.Rev,C46（1992）1617.A.Fetter,J.D.Walecka,Quantum Theory of Many-Particle Systems,（McGraw-Hill,NY,1971）,p158.[8]D.Lurie,Particle and Fields,（Interscience Publishers,NY,1968）,p163.[9]R.D.Peccei,Phys.Rev,176（1968）1812;L.M.Nath,B.Etemadi,and J.D.Kimmel,Phys.Rev,D3（1971）2153.[10]P.Carruthers and M.M.Nieto,Ann Phys,51（1969）359.

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Liu Lianggang, Ma Weixing and Jiang Huanqing. The Particle-Hole and Delta-Hole Excitations in Nuclear Matter[J]. Chinese Physics C, 1994, 18(11): 1027-1034.

Liu Lianggang, Ma Weixing and Jiang Huanqing. The Particle-Hole and Delta-Hole Excitations in Nuclear Matter[J]. Chinese Physics C, 1994, 18(11): 1027-1034. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

The Particle-Hole and Delta-Hole Excitations in Nuclear Matter

Corresponding author: Liu Lianggang,

Department of Physics,Zhongshan University,Guangzhou 5102751 Institute of High Energy Physics,Academia Sinica,Beijing 100039

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1994-11-05

Abstract: A new method for the relativistic calculations of particle hole and delta-hole excitations of pious in nuclear matter is given.We point out the difference between the usual methods and ours.The dispersion relation of the pion meson including virtual particle-hole excitation is calculated and compared numerically with that of the non-relativistic case.The formulae of relativistic delta-hole excitation of pious in nuclear matter are also given.