Statistical Thermodynamics of the Superconducting State

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概要

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• An attempt has been made to interpret the superconducting state of the conduction electrons in the metal by the statistical mechanical treatment, introducting the second order effect of the lattice vibration on the electrons which has first been used by Frohlich for this problem as the source of the attractive force in the momentum space. Using some reasonable simplifications, we can show the existence of a special equilibrium state which is stable below a certain temperature. If we consider this special state as the superconducting state, we can calculate the jump of the specific heat AC and the threshold magnetic field curve which represent well the experimental results: ΔC=γT_e (γ is the electronic specific heat coefficient and T_e Is the transition temperature) H=2π^3Nk-(T_e-T)/3_<μ_0> (μ_0 is the Fermi energy. N is the number of the electrons in 1 cm^3 and k is the Boltzman's constant).

• 社団法人日本物理学会の論文
• 1952-06-25

著者

• Ichimura Hiroshi

  Department Of Chemistry University Of North Carolina : Physics Department Tokyo Institute Of Technol

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