Electron Transport in Quantum Dots

1 Interactions, Spins and the Kondo Effect in Quantum-Dot Systems.- 1 Introduction.- 2 Atom-Like Properties of Electrons Confined in a Quantum Dot.- 3 Tunable Spin States with Magnetic Field.- 4 Spin Blockade in Single Electron Tunneling.- 5 Energy Relaxation with and Without Spin-Flip.- 6 The Kondo Effect in Quantum Dots.- 7 Summary.- 2 Microwave Spectroscopy on Single and Coupled Quantum Dots.- 1 Introduction.- 2 Aspects of Fabrication.- 3 Measurement Techniques.- 4 Coherent Modes in Quantum Dots.- 5 Photon Assisted Tunneling in Quantum Dots.- 6 Dynamic Response of Single Quantum Dots.- 7 The On-Chip Spectrometer.- 8 Non-Linear Transmission-Lines for Probing Single Dots.- 9 Summary.- 3 Nano-Spintronics with Lateral Quantum Dots.- 1 Introduction.- 2 Theoretical Framework.- 3 Experimental Devices and Techniques.- 4 Spin-Polarized Injection and Detection.- 5 Coulomb and Spin Blockade Spectrum.- 6 The First Few Electrons.- 7 The ? = 2 Regime.- 8 The Spin Flip Regime.- 9 Negative Differential Resistance Achieved by Spin Blockade.- 10 Conclusions.- 4 Novel Phenomena in Small Individual and Coupled Quantum Dots.- 1 Introduction.- 2 Models of Single and Double Quantum Dot Systems.- 3 Non-Gaussian Distribution of Coulomb Blockade Peak Heights in Individual Quantum Dots: Porter-Thomas Distribution of Resonance Widths.- 4 Spin and Pairing Effects in Ultra-Small Dots.- 5 Coupling between Two Dots and Leads-Coherent Many-Body Kondo States.- 6 Other Ultra-Small Devices and Phenomena.- 5 Classical and Quantum Transport in Antidot Arrays.- 1 Introduction.- 2 Antidot Arrays.- 3 Early Experiments and Pinball Model.- 4 Chaotic Dynamics in Antidot Lattices.- 5 Quantum Effects in Antidot Arrays.- 6 Random Antidot Arrays.- 7 Finite Antidot Lattices.- 8 InAs Based Arrays.- 9 Other Experiments.- 6 On the Influence of Resonant States on Ballistic Transport in Open Quantum Dots: Spectroscopy and Tunneling in the Presence of Multiple Conducting Channels.- 1 Introduction.- 2 Some Comments about Semiclassical Theories and their Underlying Assumptions.- 3 The Method of Calculation Used Primarily in this Work: A Fully Quantum Mechanical Treatment.- 4 Conductance Resonances in Open Dots.- 5 The Correspondence Between Conductance Resonances in Open Dots and Closed Dot Eigenstates.- 6 The Effect of Finite Temperature and Ensemble Averaging.- 7 Direct Comparisons of Theory with Experiment.- 8 An Alternate Semiclassical Interpretation of Transport in Open Quantum Dots: Dynamical Tunneling.- 9 Summary.- 10 Acknowledgment.- 7 A Review of Fractal Conductance Fluctuations in Ballistic Semiconductor Devices.- 1 Introduction.- 2 The Semiconductor Sinai Billiard: Can Chaos be Controlled with the "Flick of a Switch?".- 3 The Experimental Observation of Exact Self-Affinity.- 4 The Interpretation of Exact Self-Affinity.- 5 The Observation of Statistical Self-Affinity.- 6 The Classical to Quantum Transition: How do Fractals "Disappear?".- 7 The Role Played by the Billiard Walls.- 8 Conclusions.- 8 Electron Ratchets-Nonlinear Transport in Semiconductor Dot and Antidot Structures.- 1 Introduction.- 2 Non-Linear Rectification in the Quantum Regime.- 3 Nonlinear Transport in Antidot Structures.- 4 Outlook.- 9 Single-Photon Detection with Quantum Dots in the Far-Infrared/Submillimeter-Wave Range.- 1 Introduction.- 2 Fundamental Characteristics of the SET.- 3 Designing a Single-Photon Detector.- 4 Detection in Magnetic Fields.- 5 Detection in the Absence of Magnetic Field.- 6 Detector Performance.- 7 Conclusion.- 10 Quantum-Dot Cellular Automata.- 1 Introduction.- 2 The Quantum-Dot Cellular Automata Paradigm.- 3 Experimental Demonstrations of QCA: Metal-Dot Systems.- 4 Molecular QCA.- 5 Architecture for QCA.- 6 Magnetic QCA.- 11 Carbon Nanotubes for Nanoscale Spin-Electronics.- 1 Introduction.- 2 Spin Transport in Carbon Nanotubes.- 3 Conclusions.