2024-02-21T18:42:55Z
https://u-ryukyu.repo.nii.ac.jp/oai
oai:u-ryukyu.repo.nii.ac.jp:02006952
2022-10-31T03:12:12Z
1642837622505:1642837994858:1642837997689
1642838403551:1642838406414
The Low-Temperature Specific Heat of' the Charged-Boson and –Fermion System at the High-Density Limit
Ginoza, Mitsuaki
Yonashiro, Katsukuni
宜野座, 光昭
与那城, 勝邦
The contribution of Coulomb interaction between boson and fermion to the low-temperature specific heat of this system which is closely related to the Individual excitation in the system is calculated exactly in the density parameter expansion at the high-density limit. The specific heat of the system at the constant volume in the unit of the Sommerfeld value is given by C_V/C_S=[1+(G-M)+F(γ,△)+o(γ^2)]-^1 where (G-M) is the Gell-Mann’s term, the function F(γ,△) is the contribution of the interaction between components and has the limiting behavior as follows: F(γ,△)→-^γ_<18>-[logγ△+(π(△-1))/2,(γ/△)^<1/2>+O(γ)]as γapproches zero for fixed △, where the density parameter γ=4m_1 e^2_1/3^<1/3>π^<5/3>_<n1>^<1/3>, the parameter △ is independent of the density, and m_1 and e_1 are mass and charge of fermion, respectively. At this limit. F (γ,△) is the same order as (G-M) in the density parameter. The sharpness of the Fermi surface is also justified at this limit.
紀要論文
http://purl.org/coar/resource_type/c_6501
琉球大学理工学部
Science and Engineering Division, University of the Ryukyus
1973-03-01
NA
http://hdl.handle.net/20.500.12000/23492
AN0025080X
琉球大学理工学部紀要. 理学編
Bulletin of Science & Engineering Division, University of Ryukyus. Mathematics & natural sciences
16
83
73
eng
open access