Experiments On Flux Qubits With Pi Shifters
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Experiments On Flux Qubits With Pi Shifters
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Author : Alexey Feofanov
language : en
Publisher: KIT Scientific Publishing
Release Date : 2014-08-20
Experiments On Flux Qubits With Pi Shifters written by Alexey Feofanov 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 2014-08-20 with Science categories.
The results of the research re-ported in this work show that tunable gap flux qubits have a potential for building quantum registers. Cavities coupled to flux qubits can be used for in-formation storage and transfer between qubits. SFS π-shifters provide a simple approach to bias multi-qubit circuits. A possibility to change the qubit resonance frequency while preserving qubit coherence enables implementation of switchable coupling between qubits and cavities.
Experiments On Flux Qubits With Pi Shifters
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Author : Alexey Feofanov
language : en
Publisher:
Release Date : 2011
Experiments On Flux Qubits With Pi Shifters written by Alexey Feofanov and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
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.
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 Investigation Of Single Magnetic Molecules With Scanning Tunneling Microscopy
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Author : Chen, Jinjie
language : en
Publisher: KIT Scientific Publishing
Release Date : 2019-01-18
Local Investigation Of Single Magnetic Molecules With Scanning Tunneling Microscopy written by Chen, Jinjie 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 2019-01-18 with Molecules categories.
We worked on different magnetic molecules containing 3d and 4f magnetic centers. Their growth on metallic surfaces, topographies, spin states, magnetic properties and electron transport were locally investigated by using scanning tunneling microscopy (STM) at temperatures down to 30mK. The main achievement of this dissertation reveals the abrupt switching of crystal fields during formation of molecular contacts.
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.
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.
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.