Theses – University of Copenhagen

QDev Theses

QDev Theses

For Masters theses, click here
For Bachelors theses, click here

PhD Theses

"Mesoscopic Superconductivity towards Protected Qubits"

Thorvald Wadum Larsen, 2018

Supervisor Charles Marcus

 

"Majorana Bound States in Semiconductor-Superconductor Hybrid Devices"

Esben Bork Hansen, 2018

Supervisor: Karsten Flensberg

 

"Semiconductor Nanowire Networks Grown By Molecular Beam Epitaxy: Vapor-Liquid-Solid and Selective Area Growth"

Filip Křížek, 2018

Supervisor: Peter Korgstrup

 

"The Anomalous Floquet Insulator"

Frederik Nathan, 2018

Supervisor: Mark Rudner

"Towards entanglement detection in nanotube Cooper pair splitters with disorder and spin-orbit coupling"

Morten C. Hels, 2017

Supervisor: Jesper Nygård

"Two-dimensional Semiconductor-Superconductor Hybrids"

Henri Juhani Suominen, 2017

Supervisor: Charles M. Marcus

"Noise suppression and long-range exchange coupling for gallium arsenide spin qubits"

Filip M. Malinowski,  2017

Supervisor: Charles M. Marcus

"Growth of Ag-seeded III-V nanowires and TEM characterization"

Caroline Lindberg, 2017

Supervisors: Jessica Bolinsson & Jesper Nygård

"Attractive electron-electron interactions at the LaAlO3/SrTiO3 Interface. Towards nanoscale control of hybrid complex oxide devices"

Guenevere Prawiroatmodjo, 2017
Supervisors: Jesper Nygård & Thomas Sand Jespersen

"Quantum Dots Coupled to a Superconductor — Theory and Experiments on InAs Nanowires"

Anders Jellinggaard, 2016

Supervisor: Jesper Nygård

"Quasiparticle dynamics and exponential protection in Majorana islands"

Sven Albrecht, 2016

Supervisor: Charles M. Marcus

"Experimental methods for implementing graphene contacts to finite bandgap semiconductor"

Jakob Meyer-Holdt, 2016

Supervisors: Jesper Nygård & Peter Krogstrup

"Raman Spectroscopy of InAs based Nanowires & Electronic Characterization of Heterostructure InAs/GaInAs Nanowires"

Rawa Tanta, 2016

Supervisors: Jesper Nygård & Thomas Sand Jespersen

"Aspects of Majorana Bound States in One-Dimensional Systems with and without Time-Reversal Symmetry"

Konrad Wölms, 2015

Supervisor: Karsten Flensberg

"Proximity Induced Superconducting Properties in One and Two Dimensional Semiconductors. Towards topological states of matter"

Morten Kjaergaard, 2015

Supervisors: Charles M. Marcus & Karsten Flensberg

"Quantum Dots for Conventional and Topological Qubit"

Andrew Higginbotham, 2015

Supervisor: Charles M. Marcus

"Growth and Low Temperature Transport Measurements of Pure and Doped Bismuth Selenide"

Jerome T. Mlack, 2015

Supervisor: Charles M. Marcus

"Electron Transport in Quantum Dots and Heat Transport in Molecules"

Gediminas Kiršanskas, 2014
Supervisors: Jens Paaske & Karsten Flensberg

"Superconducting Proximity Effect in InAs Nanowires"

Willy Chang, 2014
Supervisor: Charles Marcus

"Design of Indium Arsenide nanowire sensors for pH and biological sensing and low temperature transport through p-doped Indium Arsenide nanowires"

Shivendra Upadhyay, 2013
Supervisor: Jesper Nygård

"Nanowire Growth for Photovoltaics"

Jeppe Vilstrup Holm, 2013
Supervisor: Jesper Nygård

"Dynamical Theory and Experiments on GaAs Nanowire Growth for Photovaltaic Applications"

Peter Krogstrup, 2012
Supervisor: Jesper Nygård

"Indium Arsenide Nanowires"

Morten Hannibal Madsen, 2012

Supervisor: Jesper Nygård

"Spin Qubits in GaAs Heterostructures and Gating on InAs Nanowires for Low-temperature Measurements"

Peter Dahl Nissen, 2012

Supervisor: Jesper Nygård

Master Theses

"The Effect of Interactions in Topological Quantum Systems"

Peter Røhr Tunstall, 2018

Supervisor: Karsten Flensberg

"Sub-gap states in Superconducting Cylinders"

Mathias Nesheim, 2018

Supervisor: Jens Paaske

"Superconducting Qubits Based on Semiconductor Two Dimensional Electron Gases and Selective Area Grown Nanowires"

Laurits Orheim Andersen, 2018

Supervisor: Karl Petersson

"Multi Terminal Josephson Junctions"

Ulrik Laurens D. Holgaard, 2018

Supervisor: Thomas S. Jespersen

 

"Structural Characterization of Superconductor-Semiconductor Hybrid Crystals"

Martin Espiñeira, 2018

Supervisor: Peter Krogstrup

 

" Probing correlations and nonlocal conductance in Majorana wires"

Gian-Luca Anselmetti, 2018

Supervisor: Charles Marcus

 

"Majorana Surface Codes with Dislocations"

Magnus Bøe, 2018

Supervisors: Michele Burrello & Karsten Flensberg

 

"Microwave-Induced Transitions in a Hybrid Double Quantum Dot"

Judith Suter, 2018

Supervisor: Charles Marcus

 

"Supercurrent and Screening of Spins in a Double Quantum Dot Josephson Juction"

Alexandros Vekris, 2018

Supervisor:  Kasper Grove-Rasmussen & Jesper Nygård

 

"Transport through quantum dots at the LaAlO3/SrTiO3 interface"

Anders Valdemar Bjørlig, 2017

Supervisor: Thomas S. Jespersen

"Chiral Berry Plasmons in a Disk"

Mads Anders Jørgensen, 2017

Supervisor: Mark Rudner

"Matrix Product State Based Algorithms"

Raffael Gawatz, 2017

Supervisor: Mark Rudner

"Periodically driven S-QD-S junction"

Carlos Ortega Taberner, 2017

Supervisor: Jens Paaske

"Superconductor - Semiconductor Quantum Dots in InAs/Al Nanowires for Majorana based Quantum Information"

Deividas Sabonis, 2017

Supervisor: Charles Marcus

"Yu-Shiba-Rusinov Bound States in Quantum Dots"

Gorm Steffensen, 2017

Supervisor: Jens Paaske

"Dephasing of Majorana box qubits"

Morten Munk-Nielsen, 2017

Supervisor: Karsten Flensberg

"Yu-Shiba-Rusinov Bound States in Quantum Dots"

Gorm Steffensen, 2017

Supervisor: Jens Paaske

"Schrödinger-Poisson Calculations for Majorana Devices"

August Edwards Mikkelsen, 2017

Supervisors: Peter Krogstrup & Karsten Flensberg

"Ab initio Hartree-Fock for Periodic helical systems. Method development and applications to carbon nanotubes"

Matej Veis, 2017

Supervisor: Karsten Flensberg

"Charge sensing of epi-Al InAs nanowire devices. Towards Majorana Fusion rule experiment"

Davydas Razmadze, 2017

Supervisor: Charles Marcus

"Properties of Proximitized 2DEGs"

Bjarke Rasmus Nicolaisen, 2017

Supervisor: Karsten Flensberg

"Electron microscopy methods for characterizing semi- superconductor hybrid nanowires"

Thomas Nordqvist, 2017

Supervisors: Peter Krogstrup, Jesper Nygård & Erik Johnson

"Spin-Orbit Interaction and Landé G-Factors in InAsSb Nanowires"

Joachim Sestoft, 2017

Supervisors: Peter Krogstrup & Jesper Nygård

"Investigating InAsSb Nanowires for Majorana Fermion Devices"

Aske Gejl, 2017

Supervisors: Peter Krogstrup & Jesper Nygård

"High mobility core-shell nanowires"

Kasper Kirkholt Laursen, 2016

Supervisors: Jesper Nygård & Kasper Grove-Rasmussen

"Higher Tc superconductors coupled to nanostructures"

Karsten P. K. Madsen, 2016
Supervisors: Kasper Grove-Rasmussen & Jesper Nygård

"Proximitizing InAs 2DEG with NbTi through Epitaxial Aluminum"

Asbjørn Drachmann, 2016

Supervisors: Charles Marcus & Fabrizio Nichele

"Hunt for Majorana Quasiparticles"

Saulius Vaitiekėnas, 2016

Supervisors: Charles Marcus & Piet Brouwer

"Alternative Seed Particles for III-V Nanowire Arrays"
Alexander M. Whiticar
, 2016
Supervisors: Jessica Bolinsson & Jesper Nygård

"Detection and tuning of non-local conductance in a nanowire Cooper pair splitter"
Thomas Antonio Marangoni, 2016
Supervisors: Jesper Nygard & Kasper Grove-Rasmussen

"Semiconductor-Nanowire-Based Superconducting Qubits and Gate-Tunable Couplings"

Thorvald W. Larsen, 2016

Supervisor: Charles Marcus

"Physics of Majorana Fermions"

Asbjørn Rasmussen, 2016

Supervisor: Karsten Flensberg

"Investigating timescales for quasi-particle poisoning in superconducting quantum dots in InAs nanowires"

Morten Madsen, 2016

Supervisor: Charles Marcus

"Readout and Control of Semiconductor Nanowire Based Superconducting Qubits"

Anders Kringhøj, 2016

Supervisor: Karl Petersson

"Steady State Entanglement in Quantum Dot Networks"

Anine Borger, 2016

Supervisor: Mark Rudner

"Hybrid devices based on carbon nanotubes"

Simon Brink, 2016

Supervisors: Jesper Nygård, Kasper Grove-Rasmussen & Morten Canth Hels

"Toward entanglement detection. Non-collinear spin-orbit magnetic fields in a bent carbon nanotube"

Morten Canth Hels, 2015

Supervisors: Jesper Nygård & Kasper Grove-Rasmussen

"Quasi Particle Tunneling in the Fractional Quantum Hall Regime"

Christian J. S. Olsen, 2015

Supervisor: Charles Marcus

"Topological Classification of Floquet-Bloch Systems"

Frederik S. Nathan, 2015

Supervisor: Mark S. Rudner

"Spin Qubit Devices in GaAs - Towards improving operation, coupling and sensing."

Nastasia Okulova, 2015

Supervisor: Charles Marcus

"Scaling Electron Spin Qubit Devices Implemented in GaAs Quantum Dots"

Anton Kovyakh, 2015

Supervisor: Charles Marcus

"Berry Curvature as a Multi-Band Effect in Boltzmann Equations"

Asger Bolet, 2015

Supervisor: Jens Paaske

"Towards the coherent coupling of multiple three-electron spin-qubits"

Johannes Beil, 2014

Supervisor: Charles Marcus

"III-V Semiconductor Nanowires Growth and Characterisation"

Giulio Ungaretti, 2014

Supervisor: Jesper Nygård & Peter Krogstrup

"Understanding the low energy physics of bismuth selenide: A three-dimensional topological insulator"

Mathias Rosdahl Jensen, 2014

Supervisor: Jens Paaske & Anders Mathias Lunde

"Experimental Methods for Implementing Electron Spin Qubits in Double Quantum Dots"

Martin Kufahl, 2014

Supervisor: Charles Marcus

"Sub-Gap Transport in Superconductor-Dot Junctions"

Anika Haller, 2014

Supervisors: Jens Paaske & Felix von Oppen

"Unpaired Majorana Fermions in Disordered p-wave Superconductor and Random Matrix Theory"

Esben Bork Hansen, 2014

Supervisor: Karsten Flensberg

"Long Range Coulomb Interactions in Nearly Metallic Carbon Nanotubes"

Marius Folden Simonsen, 2014

Supervisor: Karsten Flensberg

"Electrical characterization of p-doped GaAs nanowires with varying doping profiles"

Jason Alexander Røhr, 2013

Supervisor: Jesper Nygård

"Majorana fermion representations of magnetic impurity problems"

Bingdong Chang, 2013

Supervisor: Jens Paaske

"Device Fabrication and Low Temperature Measurements of InAs Nanowires with Superconducting Al Shells"

Nino Ziino, 2013

Supervisor: Jesper Nygård and Thomas Sand Jespersen

"C60 Intercalated Bilayer Graphene"

Martin Kühnel, 2013

Supervisor: Jesper Nygård and Jakob Meyer

Bachelor Theses

"Analyzing current-phase relation in Josephson junctions on superconductor-semiconductor heterostructures"
Thor Blokker Rasmussen, 2018
Supervisor: Charles Marcus
"Fabrication and Characterization of Superconducting Coplanar Waveguide Resonator on Silicon and Silicon Germanium Heterostructures"
Victoria Sosnovtseva, 2018
Supervisor: Ferdinand Kuemmeth
"Lattice Mismatch in SAG- Interfaces"
Thue Nikolajsen & Tobias Særkjær, 2018
Supervisor: Peter Krogstrup
 
"Order  by Disorder in Frustrated Magnetic Systems"
Anne Grosch, 2018
Supervisor: Jens Paaske

"Vortices in s-Wave Superconductors"

Cecilie Hermansen, 2018

Supervisor: Brian Møller Andersen

"Visualisation of Concepts in Condensed Matter Physics"
Nikolai Plambech Nielsen, 2018
Supervisor: Mark Rudner
"Modellig the Topological Features of Exotic Semimetals"
John E. Montgomery, 2018
Supervisor: Michele Burrello
"Spin Waves in Frustrated Heisenberg Models"
Søren Hemberg, 2018
Supervisor: Jens Paaske

"Origin and Effects of FFLO Phases in Superconductors"

Freja Liebach Guttesen, 2018

Supervisor: Brian Møller Andersen

"One Dimensional Spin Chains on Surfaces"

Tai Mathias Skadegaard Thorsen, 2018

Supervisor: Jens Paaske

"Exploring the properties of complex oxide interfaces patterned by optical lithography"
Ricci Falke Erlandsen, 2017
Supervisor: Thomas Sand Jespersen
"Patterning of complex oxide interfaces based on SrTiO3/LaAlO3 heterostructures using photolithography"
Rasmus Tindal Dahm, 2017
Supervisor: Thomas Sand Jespersen
"Graphene as a Two-Dimensional Topological Insulator and the Quantum Anomalous Hall Effect"
Mads Kruuse, 2017
Supervisor: Mark Rudner

"Frustration in classical spin systems"

Sigurd Anker Laursen Storgaard, 2017

Supervisor: Jens Paaske

"Magnetotransport on 2D anisotropic Fermi surfaces"

Ida Nielsen, 2017

Supervisor: Jens Paaske

"Extensible hardware for control of superconducting qubits"

Daniel Ramyar, 2017

Supervisor: Karl David Petersson

"Fabrication and measurement of hybrid quantum dot devices featuring Yu-Shiba-Rusinov sub-gap states"

Jacob Ovesen, 2017

Supervisor: Jesper Nygård

"Properties of nanoscale devices fabricated by AFM-lithography at the GAO/STO interface"

Jonas Dalgaard, 2017

Supervisor: Thomas Sand Jespersen

"Measuring the Superconductor-to-Insulator Transition in a Semiconductor Josephson Junction Array"

Charlotte Bøttcher, 2016

Supervisor: Charles Marcus

"Preparation and tuning of a triple dot spin qubit"

Lillian Austin, 2016

Supervisor: Ferdinand Kuemmeth

"Single-Ion Magnetic Anisotropy"

Hadeel Moustafa, 2016

Supervisor: Jens Paaske

"The Shockley Model for Topological Insulators"

Peter Tunstall, 2016

Supervisor: Jens Paaske

"Control and Charaterization of Hybrid Superconductor Semiconductor Qubit Devices"

Laurits Orheim Andersen, 2016

Supervisor: Karl Petersson

"Deterministic assembly of gatemon qubits using dielectrophoresis"

Vita Heidari, 2016

Supervisor: Karl Petersson

"Fabrication and Electrical Characterization of Semiconductor Nanowire Devices"
Anders Vesti, 2016

Supervisor: Peter Krogstrup

"X-ray characterization of single InAsSb/Al nanowire heterostructures"

Rasmus Østrup Nielsen, 2016

Supervisor: Peter Krogstrup

"Two Dimensional topological states in Zinc Blende heterostructures"

Gorm Ole Steffensen, 2015

Supervisor: Karsten Flensberg

"As-grown Suspended Carbon Nanotubes"

Daniel Steffensen, 2015

Supervisors: Jesper Nygård, Kasper Grove-Rasmussen & Morten Canth Hels

"Fock-Darwin States for an Elliptical Spin-Orbit Coupled Quantum Well"

Marieke van Beest, 2015

Supervisor: Jens Paaske

"Copper-Nanoparticles as a Catalyst for InAs-Nanowire Growth during Molecular Beam Epitaxy"

Laust Raahauge, 2015

Supervisor: Jessica Bolinsson & Jesper Nygård

"Ag Catalysed InAs Nanowire Growth and Scanning Electron Microscopy"

Anders Valdemar Bjørlig, 2015

Supervisor: Jesper Nygård & Jessica Bolinsson

"Fabrication of Bottom Gate Based Semiconductor-Superconductor Nanowire Devices"

Magnus Jørck Ravn, 2015

Supervisor: Mingtang Deng

"Fabrication of Nanowire-based Majorana Devices"

Veronica S. Kirsebom, 2015

Supervisor: Charles Marcus & Mingtang Deng

"Transmons: Benchmarking Gate Control"

Michael Spange Olsen, 2015

Supervisor: Charles Marcus & Karl Petersson

"Modular Low-Temperature Load-Locked Sample System for Quantum Devices"

Morten Madsen, 2014

Supervisor: Ferdinand Kuemmeth

"Introducing Nb to InAs nanowire with epitaxial Al full shell"

Asbjørn Cennet Cliff Drachmann, 2014

Supervisor: Thomas Sand Jespersen & Charles Marcus

Supplementary document: Powerpoint

"Improving coherence time by FPGA based feedback"

Rasmus Skytte Eriksen, 2014

Supervisor: Charles Marcus

"Correlation effect in Molecules"

Simon Brink, 2013

Supervisor: Jens Paaske

"Shapiro steps in Josephson Junctions"

Peder Heiselberg, 2013

Supervisor: Jens Paaske

"Edge States and Contacts in the Quantum Hall Effect"

Jens Rix Nikolajsen, 2013

Supervisor: Karsten Flensberg

"Quantum Transport through Single and Double Quantum Dots"

Iason Tsiamis, 2013

Supervisor: Karsten Flensberg

Liridon Aliti, Mustapha Carab & Mikkel Nørgaard, 2013

Supervisor: Jesper Nygård and Jeppe Holm

"Fabrication and Characterization of InSb Quantum Well Device"

Marina Hesselberg, 2013

Supervisor: Charles Marcus

"Fabrication and Characterization of As-Grown, Suspended Single-Walled Carbon Nanotubes"

Michael Pepke Pedersen, 2013

Supervisor: Jesper Nygård, Kasper Grove-Rasmussen

"Characterization of InAs nanowires strained by AFM manipulation"

Merlin von Soosten, 2013

Supervisor: Thomas Sand Jespersen

"Dispersive Readout in Mesoscopic Structures"

Thorvald Wadum Larsen, 2013

Supervisor: Charles Marcus

"Measuring Fractional Quantum Hall Effect"

Christian Olsen & Katrine Rasmussen, 2013

Supervisor: Charles Marcus

"High BC Josephson Field Effect Transistors"

Kasper Langkjer & Mads von Borries, 2013

Supervisor: Charles Marcus & Willy Chang

"Comparative Study of Mechanically Exfoliated and CVD-Grown Graphene"

Pedram Sadeghi, 2013

Supervisor: Jesper Nygård, Jakob Meyer & Rune Hviid