Sökning: "Bogoliubov-de Gennes equation"

Hittade 4 avhandlingar innehållade orden Bogoliubov-de Gennes equation.

1. 1. Interactions and Interference in Mesoscopic Systems: Josephson Current through Quantum Dots and Josephson Junction Arrays

   Författare :Klas Engström; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; density functional theory; quantum dots; Josephson effect; Andreev reflection; mesoscopic superconductivity; Josephson junction array; coulomb interactions; Bogoliubov-de Gennes equation; quantum phase transition;

   Sammanfattning : The focus of the thesis is on the interplay between interactions and interference effects in mesoscopic systems. More specifically, the two main projects included deal with Coulomb interactions and Josephson effect in two superconductor-normal metal systems: (i) a Josephson junction array and (ii) a superconductor-normal metal-superconductor (SNS) system in which the normal part is a quantum dot. LÄS MER

3. 2. Small superconducting junctions or numerical experiments on multiple Andreev reflections

   Författare :Göran Johansson; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Bogoliubov-de Gennes equation; resonant tunneling; superconducting junctions; superconductivity; Josephson effect; voltage biased; BCS theory;

   Sammanfattning : .... LÄS MER

4. 3. Nonequilibrium Josephson current in SNS devices

   Författare :Peter Samuelsson; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; superconductivity; superconducting junctions; Andreev Reflexion; Bogoliubov-de Gennes equation; nonequilibrium current; Josephson effect; Andreev levels; BCS theory;

   Sammanfattning : .... LÄS MER

5. 4. Theory of Electron Transport in Superconducting Heterostructures

   Författare :Magnus Hurd; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

   Sammanfattning : This thesis deals theoretically with electron transport in superconducting heterostructures. Depending on the system I use different theoretical approaches. The thesis contains an introduction followed by four research papers (Papers I-IV). The introduction gives the background of the work in Papers I-IV. LÄS MER