Low-Frequency Plasma Mode and Its Effect on the Tunneling Density of States in Thin Superconducting Wires

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概要

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• The plasraaa raaode in thin strjcercondtrctirug xvires is stttdied xvitlaita tlae randorau-phase approx-itaaation in the dirty liraait at zero teuaajcerattmre. Tlae plasraaa freqttency c;. is calctrlated as aftmnction of' tlae XX',lltV<B ntrunber. In the linait of w.< A /7i tlae restrlt is in agreeraaent xvitla a nearlylinear dispersion rel?ttion olctained by the phetaoutaeraological tl'aeory []N'Iooi.j and ScJa6?a: Phys. Rev.Lett. 55 (1985) 114.1. It is fovxrad Cl?at, exee)ct ira the loxv-freqtrency liuaait, the plaenoumenologicaltheory leads to 2111 overestinaaatiora of w.. TI?e fir?ite Jetugtlu of tlae sanaple liuaaits tlae rutrrnber of'alloxved taaodes iru acttral sittrations, auad tlae correspotudiz?g plasraaa freqtrerucies are qtratatized asw.. (n : 1,2,?=?). Dtme to tluis qqttarttization attd 21 dix'ergent state derusity at tlae gap edge, asharp strtrcttrre is Sl'1ONVl1 to ?rrise ita tlue tunnelittg derusity of states at e :: w.,. -f A dtre to tlaePI.llLSl11OIl exclaatuge process.

• 社団法人日本物理学会の論文
• 1999-08-15

著者

• TAKANE Yoshitake

  Department of Applied Physics,Osaka City University

• Takane Yoshitake

  Department Of Applied Physics Osaka City University

関連論文

• Fluctuation Paraconductivity in Superconducting Multilead Structures above the Transition Temperature : Condensed Matter: Electronic Properties, etc.
• Semiclassical Analysis of the Ballistic Weak Localization in Chaotic Billiards:Role of Partially Time-Reversed Pairs of Paths
• Superconducting Proximity Effect on a One-Dimensional Interacting Electron Gas
• Conductance Formula for Mesoscopic Systems with a Superconducting Segment
• Pairing Correlation Effect on the Zero-Bias Tunneling Spectra of Ultrasmall Superconducting Grains
• Quantum Electron Transport in Disordered Wires with Symplectic Symmetry(Condensed Matter : Electronic Structure, Electrical, Magnetic and Optical Properties)
• Low-Frequency Plasma Mode and Its Effect on the Tunneling Density of States in Thin Superconducting Wires

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