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2017

Dissertations
Titel Autor Journal
Decoherence in microscopic two-level systems and in analog quantum simulators S. Zanker July, 2017
Majorana fermions in magnetically ordered superconducting heterostructures D. Mendler July, 2017
Regular Articles
Titel Autor Journal
Floquet Many-body Engineering: Topological and Many-body Physics in Phase Space Lattices P. Liang, M. Marthaler and L. Guo arXiv:1710.09716 (2017)
Analog quantum simulation of the Rabi model in the ultra-strong coupling regime J. Braumüller, M. Marthaler, A. Schneider, A. Stehli, H. Rotzinger, M. Weides and A.V. Ustinov Nature Communications 8, 779 (2017)
Giant acoustic atom: a single quantum system with a deterministic time delay L. Guo, A. Grimsmo, A. Frisk Kockum, M. Pletyukhov and G. Johansson Phys. Rev. A (Editors' Suggestion) 95, 053821 (2017)
Creating photon-number squeezed strong microwave fields by a Cooper-pair injection laser M. Koppenhöfer, J. Leppäkangas and M. Marthaler Phys. Rev. B 95, 134515 (2017)
Electronic Decoherence of Two-Level Systems in a Josephson Junction A. Bilmes, S. Zanker, A. Heimes, M. Marthaler, G. Schön, G. Weiss, A.V. Ustinov and J. Lisenfeld Phys. Rev. B 96, 064504 (2017)
Emulating Majorana fermions and their braiding by Ising spin chains S. Backens, A. Shnirman, Y. Makhlin, Y. Gefen, J.E. Mooij and G. Schön Phys. Rev. B 96, 195402 (2017)
Recovering the ideal results of a perturbed analog quantum simulator I. Schwenk, J.M. Reiner, S. Zanker, L. Tian, J. Leppäkangas and M. Marthaler arxiv:1701.02683 (2017)
Analyzing the spectral density of a perturbed analog quantum simulator using Keldysh formalism S. Zanker, I. Schwenk, J.M. Reiner, J. Leppäkangas and M. Marthaler arXiv:1705.02325 (2017)
Electron-assisted magnetization tunneling in single spin systems T. Balashov, C. Karlewski, T. Märkl, G. Schön and W. Wulfhekel arXiv:1706.01760 (2017)

2016

Dissertations
Titel Autor Journal
Quantum Master Equation Approach to Nanoelectronics C. Karlewski April, 2016
Regular Articles
Titel Autor Journal
Decoherence spectroscopy with individual two-level tunneling defects J. Lisenfeld, A. Bilmes, S. Matityahu, S. Zanker, M. Marthaler, M. Schechter, G. Schön, A. Shnirman, G. Weiss and A.V. Ustinov Sci. Rep. 6, 23786 (2016)
Creation of a squeezed photon distribution using artificial atoms with broken inversion symmetry M. Koppenhöfer and M. Marthaler Phys. Rev. A 93, 023831 (2016)
Effective Long-distance Interaction from Short-distance Interaction in Periodically Driven One-dimensional Classical System L. Guo, M. Liu and M. Marthaler Phys. Rev. A 93, 053616 (2016)
Superconducting quantum metamaterials as active lasing medium: Effects of disorder M. Koppenhöfer, M. Marthaler and G. Schön Phys. Rev. A 93, 063808 (2016)
Emulating the one-dimensional Fermi-Hubbard model by a double chain of qubits J.M. Reiner, M. Marthaler, J. Braumüller, M. Weides and G. Schön Phys. Rev. A 94, 032338 (2016)
Distortion of a reduced equilibrium density matrix: influence on quantum emulation I. Schwenk and M. Marthaler Phys. Rev. B 93, 014305 (2016)
Correlated Cooper pair transport and microwave photon emission in the dynamical Coulomb blockade J. Leppäkangas, M. Fogelström, M. Marthaler and G. Johansson Phys. Rev. B 93, 014506 (2016)
Lasing and transport in a multi-level double quantum dot system coupled to a microwave oscillator C. Karlewski, A. Heimes and G. Schön Phys. Rev. B 93, 045314 (2016)
Decoherence of a quantum two-level system by spectral diffusion S. Matityahu, A. Shnirman, G. Schön and M. Schechter Phys. Rev. B 93, 134208 (2016)
Diagrammatic description of a quantum system coupled to strong noise M. Marthaler and J. Leppäkangas Phys. Rev. B 94, 144301 (2016)
Synthesizing Lattice Structure in Phase Space L. Guo and M. Marthaler New J. Phys. 18, 023006 (2016)
Non-Markovian correlation functions for open quantum systems J. Jin, C. Karlewski and M. Marthaler New J. Phys. 18, 083038 (2016)
Concentric transmon qubit featuring fast tunability and site-selective Z coupling J. Braumüller, M. Sandberg, M.R. Vissers, A. Schneider, S. Schlör, L. Grünhaupt, H. Rotzinger, M. Marthaler, A. Lukashenko, A. Dieter, A.V. Ustinov, M. Weides and D.P. Pappas Appl. Phys. Lett. 108, 032601 (2016)
Lasing at arbitrary frequencies with atoms with broken inversion symmetry and an engineered electromagnetic environment M. Marthaler, M. Koppenhöfer, K. Slowik and C. Rockstuhl arXiv:1601.01511 (2016)
Estimating the error of an analog quantum simulator by additional measurements I. Schwenk, S. Zanker, J.M. Reiner, J. Leppäkangas and M. Marthaler arXiv:1612.03767 (2016)
Detector Readout of Analog Quantum Simulators L. Tian, I. Schwenk and M. Marthaler arXiv:1612.07419 (2016)
Multiplying microwave photons by inelastic Cooper-pair tunneling J. Leppäkangas, M. Marthaler, D. Hazra, S. Jebari, G. Johansson and M. Hofheinz arXiv:1612.07098 (2016)
Conference Proceedings (contributed)
Titel Autor Journal
Decoherence and Decay of Two-level Systems due to Non-equilibrium Quasiparticles S. Zanker, M. Marthaler and G. Schön IEEE Transactions on Applied Superconductivity 26, 1700204 (2016)
Diplomarbeiten
Titel Autor Journal
Superconducting Quantum Metamaterials as Active Lasing Medium: Effects of Disorder and Longitudinal Couplings M. Koppenhöfer March, 2016

2015

Regular Articles
Titel Autor Journal
Antibunched photons from inelastic Cooper-pair tunneling J. Leppäkangas, M. Fogelström, A. Grimm, M. Hofheinz, M. Marthaler and G. Johansson Phys. Rev. Lett. 115, 027004 (2015)
Multi-photon dressing of an anharmonic superconducting many-level quantum circuit J. Braumüller, J. Cramer, S. Schlör, H. Rotzinger, L. Radtke, A. Lukashenko, P. Yang, M. Marthaler, L. Guo, A.V. Ustinov and M. Weides Phys. Rev. B 91, 054523 (2015)
Electroluminescence and multi-photon effects in a resonator driven by a tunnel junction J. Jin, M. Marthaler and G. Schön Phys. Rev. B 91, 085421 (2015)
Nematicity from mixed S+- + dx2-y2 states in iron-based superconductors G. Livanas, A. Aperis, P. Kotetes and G. Varelogiannis Phys. Rev. B 91, 104502 (2015)
Magnetic order on a topological insulator surface with warping and proximity-induced superconductivity D. Mendler, P. Kotetes and G. Schön Phys. Rev. B 91, 155405 (2015)
First-principles calculation of the thermoelectric figure of merit for [2,2]paracyclophane-based single-molecule junctions M. Bürkle, T.J. Hellmuth, F. Pauly and Y. Asai Phys. Rev. B 91, 165419 (2015)
Qubit dephasing due to quasiparticle tunneling S. Zanker and M. Marthaler Phys. Rev. B 91, 174504 (2015)
The parity effect in Josephson junction arrays J.H. Cole, A. Heimes, T. Duty and M. Marthaler Phys. Rev. B 91, 184505 (2015)
Lasing in circuit quantum electrodynamics with strong noise M. Marthaler, Y. Utsumi and D.S. Golubev Phys. Rev. B 91, 184515 (2015)
Magnetic adatoms as memory bits: A quantum master equation analysis C. Karlewski, M. Marthaler, T. Märkl, T. Balashov, W. Wulfhekel and G. Schön Phys. Rev. B 91, 245430 (2015)
Topological superconductivity in Rashba semiconductors without a Zeeman field P. Kotetes Phys. Rev. B 92, 014514 (2015)
Interplay of topological phases in magnetic adatom-chains on top of a Rashba superconducting surface A. Heimes, D. Mendler and P. Kotetes New J. Phys. 17, 023051 (2015)
Superconductor-insulator transition in nanowires and nanowire arrays J.E. Mooij, G. Schön, A. Shnirman, T. Fuse, H. Rotzinger, C.J.P.M. Harmans and A. Verbruggen New J. Phys. 17, 033006 (2015)
Majorana representation for dissipative spin systems P. Schad, Y. Makhlin, B.N. Narozhny, G. Schön and A. Shnirman Annals of Physics 361, 401 (2015)
Majorana fermion fingerprints in spin-polarised scanning tunneling microscopy P. Kotetes, D. Mendler, A. Heimes and G. Schön Physica E 74, 614 (2015)
Conference Proceedings (contributed)
Titel Autor Journal
Pulse-controlled quantum gate sequences on a strongly coupled qubit chain H. Frydrych, M. Marthaler and G. Alber SPIE Proceedings 9505, 95050G (2015)
Diplomarbeiten
Titel Autor Journal
Influence of strong noise on the Adiabatic Quantum Computer P. Rudo January, 2015
Emulation des Spin-Boson Modells in supraleitenden Schaltkreisen M. Hauck March, 2015
Emulation of the One-Dimensional Fermi-Hubbard Model Using Superconducting Qubits J.M. Reiner May, 2015

2014

Dissertations
Titel Autor Journal
Non-equilibrium quasiparticles and topological excitations in hybrid superconducting structures A. Heimes December, 2014
Ab-initio description of charge, heat and thermoelectric transport in molecular junctions T.J. Hellmuth December, 2014
Regular Articles
Titel Autor Journal
A multi-stable switchable metamaterial P. Jung, S. Butz, M. Marthaler, M.V. Fistul, J. Leppäkangas, V.P. Koshelets and A.V. Ustinov Nature Communications 5, 3730 (2014)
Implementation of a Quantum Metamaterial P. Macha, G. Oelsner, J.M. Reiner, M. Marthaler, S. André, G. Schön, U. Hübner, H.G. Meyer, E. Il'ichev and A.V. Ustinov Nature Communications 5, 5146 (2014)
Circular-polarization sensitive metamaterial based on triple quantum-dot molecules P. Kotetes, P.Q. Jin, M. Marthaler and G. Schön Phys. Rev. Lett. 113, 236801 (2014)
Flux 1 /f^α noise in 2D Heisenberg spin glasses: effects of weak anisotropic interactions J. Atalaya, J. Clarke, G. Schön and A. Shnirman Phys. Rev. B 90, 014206 (2014)
Tunneling and Relaxation of Single Quasiparticles in a Normal-Superconductor-Normal Single Electron Transistor A. Heimes, V. Maisi, D.S. Golubev, M. Marthaler, G. Schön and J.P. Pekola Phys. Rev. B 89, 014508 (2014)
Majorana fermions from Shiba states in an antiferromagnetic chain on top of a superconductor A. Heimes, P. Kotetes and G. Schön Phys. Rev. B 90, 060507(R) (2014)
Time local master equation connecting the Born and Markov approximations C. Karlewski and M. Marthaler Phys. Rev. B 90, 104302 (2014)
Nonequilibrium Spin Noise and Noise of Susceptibility P. Schad, B.N. Narozhny, G. Schön and A. Shnirman Phys. Rev. B 90, 205419 (2014)
Josephson junction based thermometer and its application in bolometry T. Faivre, D.S. Golubev and J.P. Pekola J. Appl. Phys. 116, 094302 (2014)
Input-output description of microwave radiation in the dynamical Coulomb blockade J. Leppäkangas, G. Johansson, M. Marthaler and M. Fogelström New J. Phys. 16, 015015 (2014)
Spin-wave excitations in presence of nanoclusters of magnetic impurities A. Chakraborty, P. Wenk, S. Kettemann, R. Bouzerar and G. Bouzerar New J. Phys. 16, 033004 (2014)
Correlated transport through junction arrays in the small Josephson energy limit: incoherent Cooper-pairs and hot electrons J.H. Cole, J. Leppäkangas and M. Marthaler New J. Phys. 16, 063019 (2014)
Magnetic-field-induced chiral hidden order in URu2Si2 P. Kotetes, A. Aperis and G. Varelogiannis Philos. Mag. 94, 3789 (2014)
Diplomarbeiten
Titel Autor Journal
Deformation der Gleichgewichtsdichtematrix durch Kopplung an eine Umgebung I. Schwenk October, 2014

2013

Book Chapters and Reviews
Titel Autor Journal
Charges and vortices in Josephson junction arrays R. Fazio and G. Schön World Scientific, 40 years of Berezinskii-Kosterlitz-Thouless Theory 7, 237 (2013)
Dissertations
Titel Autor Journal
Quantum Effects in Driven Nonlinear Systems L. Guo May, 2013
Regular Articles
Titel Autor Journal
Stabilizing the magnetic moment of single holmium atoms by symmetry T. Miyamachi, T. Schuh, T. Märkl, C. Bresch, T. Balashov, A. Stöhr, C. Karlewski, S. André, M. Marthaler, M. Hoffmann, M. Geilhufe, S. Ostanin, W. Hergert, I. Mertig, G. Schön, A. Ernst and W. Wulfhekel Nature 503, 242-246 (2013)
Fully gapped superconductivity in a nanometre-size YB2Cu3O(7–d) island enhanced by a magnetic field D. Gustafsson, D.S. Golubev, M. Fogelström, T. Claeson, S.E. Kubatkin, T. Bauch and F. Lombardi Nature Nanotechnology 8, 25 (2013)
Model Evidence of a Superconducting State with a Full Energy Gap in Small Cuprate Islands A.M. Black-Schaffer, D.S. Golubev, T. Bauch, F. Lombardi and M. Fogelström Phys. Rev. Lett. 110, 197001 (2013)
Nonclassical photon pair production in a voltage-biased Josephson junction J. Leppäkangas, G. Johansson, M. Marthaler and M. Fogelström Phys. Rev. Lett. 110, 267004 (2013)
Single quasiparticle excitation dynamics on a superconducting island V. Maisi, S.V. Lotkhov, . zz, A. Heimes, J.T. Muhonen and J.P. Pekola Phys. Rev. Lett. 111, 147001 (2013)
Phase Space Crystals: A New Way to Create a Quasienergy Band Structure L. Guo, M. Marthaler and G. Schön Phys. Rev. Lett. 111, 205303 (2013)
Reconsidering the possibility of room temperature ferromagnetism in Mn doped Zirconium oxide A. Chakraborty and G. Bouzerar EPL 104, 57010 (2013)
Quantum critical temperature of a modulated oscillator L. Guo, V. Peano, M. Marthaler and M.I. Dykman Phys. Rev. A 87, 062117 (2013)
Spin torque switching of an in-plane magnetized system in a thermally activated region T. Taniguchi, Y. Utsumi, M. Marthaler, D.S. Golubev and H. Imamura Phys. Rev. B 87, 054406 (2013)
Heat transport through a Josephson junction D.S. Golubev, T. Faivre, J.P. Pekola and A. Aassime Phys. Rev. B 87, 094522 (2013)
Thermally activated conductance in arrays of small Josephson junctions J. Zimmer, N. Vogt, A. Fiebig, S.V. Syzranov, A. Lukashenko, R. Schäfer, H. Rotzinger, A. Shnirman, M. Marthaler and A.V. Ustinov Phys. Rev. B 88, 144506 (2013)
Nonlocal transport and heating in superconductors under dual-bias conditions S. Kolenda, M.J. Wolf, D.S. Golubev, A.D. Zaikin and D. Beckmann Phys. Rev. B 88, 174509 (2013)
Noise spectrum of a quantum dot-resonator lasing circuit J. Jin, M. Marthaler, P.Q. Jin, D.S. Golubev and G. Schön New J. Phys. 15, 025044 (2013)
Classification of engineered topological superconductors P. Kotetes New J. Phys. 15, 105027 (2013)
Quantum criticality and population trapping of fermions by non-equilibrium lattice modulations R. Frank New J. Phys. 15, 123030 (2013)
Non-equilibrium polaritonics - non-linear effects and optical switching R. Frank Annalen der Physik 525, 66 (2013)
Test of the fluctuation theorem for single-electron transport B. Küng, C. Rössler, M. Beck, M. Marthaler, D.S. Golubev, Y. Utsumi, T. Ihn and K. Ensslin J. Appl. Phys. 113, 136507 (2013)
Population trapping and inversion in ultracold Fermi gases by excitation of the optical lattice: non-equilibrium Floquet–Keldysh description R. Frank Applied Physics B 113, 41 (2013)
Enhancing the Molecular Signature in Molecule–Nanoparticle Networks Via Inelastic Cotunneling J.F. Dayen, E. Devid, M.V. Kamalakar, D.S. Golubev, C. Guedon, V. Faramarzi, B. Doudin and S.J. van der Molen Advanced Materials 25, 400 (2013)
Influence of vibrations on electron transport through nanoscale contacts M. Bürkle, J.K. Viljas, T.J. Hellmuth, E. Scheer, F. Weigend, G. Schön and F. Pauly Phys. Status Solidi B 250, 2468 (2013)
Transport through quantum spin Hall insulator/metal junctions in graphene ribbons E. Prada and G. Metalidis J Comput Electronics 12, 63-75 (2013)
Conference Proceedings (contributed)
Titel Autor Journal
Fluctuation theorem for a double quantum dot coupled to a point-contact electrometer D.S. Golubev, Y. Utsumi, M. Marthaler and G. Schön AIP Conference Proceedings 1566, 261 (2013)
Engineering and manipulating topological qubits in 1D quantum wires P. Kotetes, A. Shnirman and G. Schön J. Korean Phys. Soc. 62, 1558 (2013)
Diplomarbeiten
Titel Autor Journal
Non-Markovian Effects in Qubit-Systems with Correlated Noise C. Karlewski March, 2013
Topological phases in systems with coexisting density waves and superconductivity D. Mendler May, 2013
Qubit decoherence induced by quasiparticle tunneling S. Zanker November, 2013