Nonlinear Effects In Superconducting Quantum Interference Meta Atoms
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Nonlinear Effects In Superconducting Quantum Interference Meta Atoms
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Author : Jung, Philipp
language : en
Publisher: KIT Scientific Publishing
Release Date : 2015-01-19
Nonlinear Effects In Superconducting Quantum Interference Meta Atoms written by Jung, Philipp and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-01-19 with Physics categories.
This thesis deals with the nonlinear aspects of superconducting quantum interference devices (SQUIDs) as magnetic meta-atoms. Such meta-atoms are usually resonant structures that constitute the basic building blocks of a metamaterial with the purpose of giving the material unconventional magnetic properties. Due to their intrinsic nonlinearity, SQUIDs exhibit a number of phenomena such as frequency tunability and multi-stability that make them attractive as controllable meta-atoms.
Nonlinear Effects In Superconducting Quantum Interference Meta Atoms
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Author : Philipp Jung
language : en
Publisher:
Release Date : 2020-10-09
Nonlinear Effects In Superconducting Quantum Interference Meta Atoms written by Philipp Jung and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-09 with Science categories.
This thesis deals with the nonlinear aspects of superconducting quantum interference devices (SQUIDs) as magnetic meta-atoms. Such meta-atoms are usually resonant structures that constitute the basic building blocks of a metamaterial with the purpose of giving the material unconventional magnetic properties. Due to their intrinsic nonlinearity, SQUIDs exhibit a number of phenomena such as frequency tunability and multi-stability that make them attractive as controllable meta-atoms. This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.
Quantum Sensing Experiments With Superconducting Qubits
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Author : Schneider, Andre
language : en
Publisher: KIT Scientific Publishing
Release Date : 2021-06-04
Quantum Sensing Experiments With Superconducting Qubits written by Schneider, Andre and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-04 with Science categories.
Quantum sensing is a vast and emerging field enabling in-situ studies of quantum systems and hence the development of quantum hybrid systems. This work creates the fundament of direct superconducting-magnetic hybrid systems by developing a local microwave sensing scheme and studying the influence of a static magnetic field on a superconducting qubit. Finally, a proof-of-principle hybrid system is demonstrated, which opens the path towards superconducting-magnetic quantum circuits.
Adding Nonlinearity To An Electromagnetic Magnonic Quantum Hybrid Device
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Author : Pfirrmann, Marco
language : en
Publisher: KIT Scientific Publishing
Release Date : 2020-10-05
Adding Nonlinearity To An Electromagnetic Magnonic Quantum Hybrid Device written by Pfirrmann, Marco and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-10-05 with Science categories.
In this book, hybrid systems based on yttrium-iron-garnet (YIG), three dimensional microwave cavity resonators, and superconducting transmon qubits, are investigated by continuous wave and pulsed microwave spectroscopy. Limitations to the magnetic linewidth in the quantum regime are identified and coherent exchange between a magnon and a superconducting qubit are demonstrated. Finally, a first step towards a strongly coupled hybrid system containing all three components is demonstrated.
Resolving Locations Of Defects In Superconducting Transmon Qubits
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Author : Bilmes, Alexander
language : en
Publisher: KIT Scientific Publishing
Release Date : 2019-12-09
Resolving Locations Of Defects In Superconducting Transmon Qubits written by Bilmes, Alexander and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-12-09 with Science categories.
Elastic And Inelastic Scanning Tunneling Spectroscopy On Iron Based Superconductors
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Author : Jandke, Jasmin Maria
language : en
Publisher: KIT Scientific Publishing
Release Date : 2019-05-02
Elastic And Inelastic Scanning Tunneling Spectroscopy On Iron Based Superconductors written by Jandke, Jasmin Maria and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-02 with Physics categories.
Within this work, the pairing mechanism of conventional (Pb) and unconventional superconductors (SrFe2(As1-xPx )2 , FeSe, FeSe/STO) was investigated experimentally by means of elastic and inelastic tunneling spectroscopy at temperatures down to 30 mK. The distinction between elastic and inelastic contributions to tunneling data was elaborated. The results help to identify conventional (phonon-mediated) and unconventional (e.g. spin-?uctuation mediated) superconductivity.
Local Probing Of A Superconductor S Quasiparticles And Bosonic Excitations With A Scanning Tunnelling Microscope
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Author : Gozlinski, Thomas
language : en
Publisher: KIT Scientific Publishing
Release Date : 2023-03-24
Local Probing Of A Superconductor S Quasiparticles And Bosonic Excitations With A Scanning Tunnelling Microscope written by Gozlinski, Thomas and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-03-24 with Science categories.
Complementary to scattering techniques, scanning tunnelling microscopy provides atomic-scale real space information about a material's electronic state of matter. State-of-the-art designs of a scanning tunnelling microscope (STM) allow measurements at millikelvin temperatures with unprecedented energy resolution. Therefore, this instrument excels in probing the superconducting state at low temperatures and especially its local quasiparticle excitations as well as bosonic degrees of freedom.
Quantum Tunneling Of Josephson Vortices In High Impedance Long Junctions
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Author : Wildermuth, Matthias Micha
language : en
Publisher: KIT Scientific Publishing
Release Date : 2023-09-11
Quantum Tunneling Of Josephson Vortices In High Impedance Long Junctions written by Wildermuth, Matthias Micha and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-09-11 with categories.
In the last decades, superconducting devices have emerged as a promising platform for quantum technologies, including quantum sensing and quantum computing. Their key elements are Josephson junctions, which allow for coherent supercurrent tunneling between two weakly linked superconductors. If such a junction is extended in one direction to a long junction, the superconducting phase difference can vary in space and time and may allow for quantized phase windings that drive supercurrent vortices.
Hybrid Quantum System Based On Rare Earth Doped Crystals
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Author : Probst, Sebastian
language : en
Publisher: KIT Scientific Publishing
Release Date : 2016-09-05
Hybrid Quantum System Based On Rare Earth Doped Crystals written by Probst, Sebastian and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-05 with Physics categories.
Hybrid quantum circuits interfacing rare earth spin ensembles with microwave resonators are a promising approach for application as coherent quantum memory and frequency converter. In this thesis, hybrid circuits based on Er and Nd ions doped into Y?SiO? and YAlO? crystals are investigated by optical and on-chip microwave spectroscopy. Coherent strong coupling between the microwave resonator and spin ensemble as well as a multimode memory for weak coherent microwave pulses are demonstrated.
Investigation Of Magnetic Adatoms With Scanning Tunneling Techniques
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Author : Maerkl, Junji Tobias
language : en
Publisher: KIT Scientific Publishing
Release Date : 2016-01-20
Investigation Of Magnetic Adatoms With Scanning Tunneling Techniques written by Maerkl, Junji Tobias and has been published by KIT Scientific Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-01-20 with Physics categories.
In this work, magnetic atoms on surfaces are studied with low-temperature scanning tunneling microscopy. Motivated by the idea to use single atoms as magnetic bits, the factors that allow or prevent long-term stability of their magnetic moments are investigated. Lifetimes of up to several minutes can be achieved for the magnetic moments of holmium atoms on a Pt(111) surface, resulting from the combined symmetries of the system. Corresponding theoretical calculations are presented and evaluated.