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heavy fermion systems
相关语句
  重费米子系统
     INVESTIGATION OF THE THERMOELECTRIC POWER AND SPECIFIC HEAT OF THE HEAVY FERMION SYSTEMS CeAl_3 AND CeCu_2Si_2
     重费米子系统CeAl_3和CeCu_2Si_2的温差电势率和比热的研究
短句来源
  相似匹配句对
     ACOUSTIC PLASMONS IN HEAVY-FERMION SUPERCONDUCTORS
     重费米子超导体中的超声Plasmon模
短句来源
     ON THE GAPLESS REGION OF HEAVY FERMION SUPERCONDUDTORS
     重费密子超导体的无能隙区
短句来源
     THE FREE ENERGY OF HEAVYFERMION SUPPERCONDUCTING SYSTEMS
     重费密子超导系统的自由能
短句来源
     LANDAU'S FERMI LIQUID THEORY OF HEAVY-FERMION SUPERCONDUCTING SYSTEMS
     重费密子超导系统的Landau费密液体理论
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     HEAVY TOPIC
     早逝,一个不得不重复的话题!
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  heavy fermion systems
for heavy fermion systems and later modified by Forro et al.
      
Analysis of intermediate boson spectra from FIR data for HTSC and heavy fermion systems
      
Possible magnetic instabilities in the fluid and analogues with heavy fermion systems are discussed.
      
Tuning Heavy Fermion Systems into Quantum Criticality by Magnetic Field
      
A discussion of ultrasonic propagation in normal and superconducting heavy fermion systems is presented.
      
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Considering the existence of a pseudogap near the Fermi energy in density of states resuked from the coherence in heavy fermion system, we suggest a formula to calculate the specific heat in normal state for such system. The behavior of the specific heat under various parameters is studied systematically and the results show that the pseudogap has considerable influence on specific heat at low temperatures. The experimental data of CeAl3 under atmospheric and applied pressures have been fitted obtaining...

Considering the existence of a pseudogap near the Fermi energy in density of states resuked from the coherence in heavy fermion system, we suggest a formula to calculate the specific heat in normal state for such system. The behavior of the specific heat under various parameters is studied systematically and the results show that the pseudogap has considerable influence on specific heat at low temperatures. The experimental data of CeAl3 under atmospheric and applied pressures have been fitted obtaining satisfactory results.

本文考虑由重费米子系统中的相干性导致的态密度在费米能附近出现赝能隙,提出了一个计算这类系统正常态比热的公式,并系统研究了不同参数情况下比热变化的行为。结果表明赝能隙对低温比热有较大影响。我们拟合了CeAk_3常压和加压情形下的实验数据,得到了相符较好的结果。

We point out in this paper that the heavy Fermion system is a kind of Kondo system whose localized f-electrons can change with temperature. The theory suggests the existence of spontaneous magnetic moment in particular temperature range. According to the different distance between the f-electron band and Fermi level, there are different types of spontaneous magnetic moment effect. We also point out that the anomaly in specific heat versus temperature-curve is caused by the change of number of f-electron...

We point out in this paper that the heavy Fermion system is a kind of Kondo system whose localized f-electrons can change with temperature. The theory suggests the existence of spontaneous magnetic moment in particular temperature range. According to the different distance between the f-electron band and Fermi level, there are different types of spontaneous magnetic moment effect. We also point out that the anomaly in specific heat versus temperature-curve is caused by the change of number of f-electron in heavy Fermion system. The theoretical values of specific heat coincide well with six experimental data.

本文提出重Fermi子体系是一种局域的f电子可以变化的Kondo体系.理论得到在特定温区可以产生自发磁矩,且由f带离Fermi面的距离之不同而存在不同类型的自发磁矩效应.理论并给出由于局域f电子的变化导致重Fermi子体系比热与温度的反常关系.理论与六种重Fermi子材料比热的实验值符合得相当好.

One of the authors[1] had pointed out that the heavy fermion system is a kind of Kondo system in which localized f-electrons can change with temperature. The f-electrons are bound in a narrow band near Fermi level. Using this model, the relation between the susceptibility and temperature is deduced and the susceptibility anomaly is explained in this paper. The calculated results of susceptibility for all the eight heavy fermion system coinside with the experimental data. The strong sample dependence...

One of the authors[1] had pointed out that the heavy fermion system is a kind of Kondo system in which localized f-electrons can change with temperature. The f-electrons are bound in a narrow band near Fermi level. Using this model, the relation between the susceptibility and temperature is deduced and the susceptibility anomaly is explained in this paper. The calculated results of susceptibility for all the eight heavy fermion system coinside with the experimental data. The strong sample dependence of the susceptibility of the heavy fermion system has also been discussed.

作者之一提出重费密子体系是一种f电子可以随温度变化的Kondo体系,f电子被束缚在费密面附近的一个窄带上,由此模型,本文在理论上给出磁化率随温度的变化关系,统一地解释了磁化率的各种反常,理论的数值计算给出了八种重费密子的磁化率,它们都与实验曲线较好地符合,同时讨论了重费密子体系的磁化率对样品的依赖性。

 
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