Blog

Michael Wimmer

 

Michael Wimmer leads the Quantum tinkerer group jointly with Anton Akhmerov

Room F340
m.t.wimmer@[TUD]

Publications

Bibliometric data

h-index: 27

  • total number of citations: 2563

(from Google Scholar, 29th of January 2018)

Preprints

A general algorithm for computing bound states in infinite tight-binding systems
M. Istas, C. Groth, A.R. Akhmerov, M. Wimmer and X. Waintal
ArXiv:1711.08250

Engineering hybrid epitaxial InAsSb/Al nanowire materials for stronger topological protection
J.E. Sestoft, T. Kanne, A.N. Gejl, M. von Soosten, J.S. Yodh, D. Sherman, B. Tarasinski, M. Wimmer, E. Johnson, M. Deng, J. Nygård, T.S. Jespersen, C.M. Marcus and P. Krogstrup
ArXiv:1711.06864

Robust helical edge transport in quantum spin Hall quantum wells
R. Skolasinski, D.I. Pikulin, J. Alicea and M. Wimmer
ArXiv:1709.04830

Publications in refereed journals

2018

h/e superconducting quantum interference through trivial edge states in InAs
F.K. de Vries, T. Timmerman, V.P. Ostroukh, J. van Veen, A.J.A. Beukman, F. Qu, M. Wimmer, B.-M. Nguyen, A.A. Kiselev, W. Yi, M. Sokolich, M.J. Manfra, C.M. Marcus and L.P. Kouwenhoven
Phys. Rev. Lett. 120, 047702 (2018)
PDF

2017

Ballistic superconductivity in semiconductor nanowires
H. Zhang, Ö. Gül, S. Conesa-Boj, M.P. Nowak, M. Wimmer, K. Zuo, V. Mourik, F.K. de Vries, J. van Veen, M.W.A. de Moor, J.D.S. Bommer, D.J. van Woerkom, D. Car, S.R. Plissard, E.P.A.M. Bakkers, M. Quintero-Pérez, M.C. Cassidy, S. Koelling, S. Goswami, K. Watanabe, T. Taniguchi and L.P. Kouwenhoven
Nature Communications 8, 16025 (2017)
PDF

Spin-orbit interaction in a dual gated InAs/GaSb quantum well
A.J.A. Beukman, F.K. de Vries, J. van Veen, R. Skolasinski, M. Wimmer, F. Qu, D.T. de Vries, B.-M. Nguyen, W. Yi, A.A. Kiselev, M. Sokolich, M.J. Manfra, F. Nichele, C.M. Marcus and L.P. Kouwenhoven
Phys. Rev. B 96, 241401 (2017)
PDF

Orbital contributions to the electron g-factor in semiconductor nanowires
G.W. Winkler, D. Varjas, R. Skolasinski, A.A. Soluyanov, M. Troyer and M. Wimmer
Phys. Rev. Lett. 119, 037701 (2017)
PDF

Conductance through a helical state in an InSb nanowire
J. Kammhuber, M.C Cassidy, F. Pei, M.P. Nowak, A. Vuik, D. Car, S.R. Plissard, E.P.A.M. Bakkers, M. Wimmer and L.P. Kouwenhoven
Nature Communications 8, 478 (2017)
PDF

InSb nanowires with built-in GaxIn1-xSb tunnel barriers for Majorana devices
D. Car, S. Conesa-Boj, H. Zhang, R.L.M. Op het Veld, M.W.A. de Moor, E.M.T. Fadaly, Ö. Gül, S. Kölling, S.R. Plissard, V. Toresen, M. T. Wimmer, K. Watanabe, T. Taniguchi, L.P. Kouwenhoven and E.P.A.M. Bakkers
Nano Lett. 17, 721 (2017)
PDF

Giant spin-orbit splitting in inverted InAs/GaSb double quantum wells
F. Nichele, M. Kjaergaard, H.J. Suominen, R. Skolasinski, M. Wimmer, B.-M. Nguyen, A.A. Kiselev, W. Yi, M. Sokolich, M.J. Manfra, F. Qu, A.J.A. Beukman, L.P. Kouwenhoven and C.M. Marcus
Phys. Rev. Lett. 118, 016801 (2017)
PDF
– Selected as Editors’ suggestion and featured in Physics –

Disorder-induced topological transitions in multichannel Majorana wires
B. Pekerten, A. Teker, O. Bozat, M. Wimmer and I. Adagideli
Phys. Rev. B 95, 064507 (2017)
PDF

2016

Quantized conductance doubling and hard gap in a two-dimensional semiconductor-superconductor heterostructure M. Kjaergaard, F. Nichele, H.J. Suominen, M.P. Nowak, M. Wimmer, A.R. Akhmerov, J.A. Folk, K. Flensberg, J. Shabani, C.J. Palmstrom and C.M. Marcus
Nat. Commun. 7, 12841 (2016)
PDF

Quantized conductance and large g-factor anisotropy in InSb quantum point contacts
F. Qu, J. van Veen, F.K. de Vries, A.J.A. Beukman, M. Wimmer, W. Yi, A.A. Kiselev, B.-M. Nguyen, M. Sokolich, M.J. Manfra, F. Nichele, C.M. Marcus and L.P. Kouwenhoven
Nano Lett. 16, 7509 (2016)
PDF

Effects of the electrostatic environment on the Majorana nanowire devices
A. Vuik, D. Eeltink, A.R. Akhmerov, M. Wimmer
New J. Phys. 3, 033013 (2016)
PDF

2015

Electric and Magnetic Tuning Between the Trivial and Topological Phases in InAs/GaSb Double Quantum Wells
F. Qu, A.J.A. Beukman, S. Nadj-Perge, M. Wimmer, B.-M. Nguyen, W. Yi, J. Thorp, M. Sokolich, A.A. Kiselev, M.J. Manfra, C.M. Marcus and L.P. Kouwenhoven
Phys. Rev. Lett. 115, 036803 (2015)
PDF

Spin-orbit interaction in InSb nanowires
I. van Weperen, B. Tarasinski, D. Eeltink, V.S. Pribiag, S.R. Plissard, E.P.A.M. Bakkers, L.P. Kouwenhoven and M. Wimmer
Phys. Rev. B 91, 201413(R) (2015)
PDF

2014

Emergence of massless Dirac fermions in graphene’s Hofstadter butterfly at switches of the quantum Hall phase connectivity
M. Diez, J.P. Dahlhaus, M. Wimmer and C.W.J. Beenakker
Phys. Rev. Lett. 112, 196602 (2014)
PDF

Disorder and magnetic-field induced breakdown of helical edge conduction in an inverted electron-hole bilayer
D.I. Pikulin, T. Hyart, Shuo Mi, J. Tworzydlo, M. Wimmer and C.W.J. Beenakker
Phys. Rev. B 89, 161403(R) (2014)
PDF
Selected as Editor’s suggestion –

Kwant: a software package for quantum transport
C.W. Groth, M. Wimmer, A.R. Akhmerov and X. Waintal
New J. Phys. 16, 063065 (2014)
PDF, ArXiv

Inducing topological order in dirty wires: Majorana fermions from scattering
I. Adagideli, M. Wimmer and A. Teker
Phys. Rev. B 89, 144506 (2014)
PDF

Electric control of tunneling energy in graphene double dots
M. Raith, C. Ertler, P. Stano, M. Wimmer and J. Fabian
Phys. Rev. B 89, 085414 (2014)
PDFArXiv

2013

Wigner-Poisson statistics of topological transitions in a Josephson junction
C.W.J. Beenakker, J.M. Edge, J.P. Dahlhaus, D.I. Pikulin, Shuo Mi and M. Wimmer 
Phys. Rev. Lett.
111, 037001 (2013)
PDF

Proposal for the detection and braiding of Majorana fermions in a quantum spin Hall insulator
Shuo Mi, D.I. Pikulin, M. Wimmer and C.W.J. Beenakker
Phys. Rev B 87, 241405(R) (2013)
PDF
Selected as Editor’s suggestion –

Universal spatial correlations in random spinor fields
J.D. Urbina, M. Wimmer, D. Bauernfeind, D. Espitia, I. Adagideli and K.Richter
Phys. Rev. E 87, 042115 (2013)
PDF

Phase-locked magnetoconductance oscillations as a probe of Majorana edge states
M. Diez, I.C. Fulga, D.I. Pikulin, M. Wimmer, A.R. Akhmerov and C.W.J. Beenakker
Phys. Rev. B 87, 125406 (2013)
PDF
Selected as Editor’s suggestion –

2012

Zero-voltage conductance peak from weak antilocalization in a Majorana nanowire
D.I. Pikulin, J.P. Dahlhaus, M. Wimmer, H. Schomerus and C.W.J. Beenakker
New J. Phys. 14 125011 (2012)
PDF

Andreev reflection from a topological superconductor with chiral symmetry
M. Diez, J.P. Dahlhaus, M. Wimmer and C.W.J. Beenakker
Phys. Rev. B 86, 094501 (2012)
PDF

Algorithm 923: Efficient Numerical Computation of the Pfaffian for Dense and Banded Skew-Symmetric Matrices
M. Wimmer
ACM Trans. Math. Software 38, 30 (2012)
PDF

Symmetries and the conductance of graphene nanoribbons with long-range disorder
J. Wurm, M. Wimmer and K. Richter
Phys. Rev. B 85, 245418 (2012)
PDF, ArXiv

2011

Dirac boundary condition at the reconstructed zigzag edge of graphene
J.A.M. van Ostaay, A.R. Akhmerov, C.W.J. Beenakker and M. Wimmer
Phys. Rev. B 84, 195434 (2011)
PDF

Quantum transport in a Dirac-like pseudo-spin one system
D.F. Urban, D. Bercioux, M. Wimmer and W. Häusler
Phys. Rev. B 84, 115136 (2011)
PDF

Quantum point contact as a probe of a topological superconductor
M. Wimmer, A.R. Akhmerov, J.P. Dahlhaus and C.W.J. Beenakker
New J. Phys. 13, 053016 (2011)
PDF

Random-matrix theory of Andreev reflection from a topological superconductor
C.W.J. Beenakker, J.P. Dahlhaus, M. Wimmer and A.R. Akhmerov
Phys. Rev. B 83, 085413 (2011)
PDF
Selected as Editor’s suggestion –

Weak localization in mesoscopic hole transport: Berry phases and classical correlations
V. Krueckl, M. Wimmer, I. Adagideli, J. Kuipers and K. Richter
Phys. Rev. Lett. 106, 146801 (2011)
PDF, ArXiv

Quantized conductance at the Majorana phase transition in a disordered superconducting wire
A.R. Akhmerov, J.P. Dahlhaus, F. Hassler, M. Wimmer and C.W.J. Beenakker
Phys. Rev. Lett. 106, 057001 (2011)
PDF
Selected as Editor’s suggestion –

2010

Robustness of edge states in graphene quantum dots
M. Wimmer
, A.R. Akhmerov and F. Guinea
Phys. Rev. B 82, 045409 (2010)
PDF, ArXiv

Majorana bound states without vortices in topological superconductors with electrostatic defects
M. Wimmer
, A.R. Akhmerov, M.V. Medvedyeva, J. Tworzydlo and C.W.J. Beenakker
Phys. Rev. Lett. 105, 046803 (2010)
PDF

Graphene Rings in Magnetic Fields: Aharonov-Bohm Effect and Valley Splitting
J. Wurm, M. Wimmer, H.U. Baranger and K.Richter
Semicond. Sci. Technol.
25, 034003 (2010)
PDF

2009

Theory of the topological Anderson insulator
C.W. Groth, M. Wimmer, A.R. Akhmerov, J. Tworzydło and C.W.J. Beenakker
Phys. Rev. Lett. 103, 196805 (2009)
PDF

Interfaces within graphene nanoribbons
J. Wurm, M. Wimmer, I. Adagideli, K. Richter and H.U. Baranger
New J. Phys. 11, 095022 (2009)
PDF

Conformal mapping and shot noise in graphene
A. Rycerz, P. Recher and M. Wimmer
Phys. Rev. B 80, 125417 (2009)
PDF

Tunneling anisotropic magnetoresistance in Fe/GaAs/Au junctions: orbital effects
M. Wimmer, M. Lobenhofer, J. Moser, A. Matos-Abiague, D. Schuh, W. Wegscheider, J. Fabian, K. Richter and D. Weiss
Phys. Rev. B 80, 121301(R) (2009)
PDF

Symmetry Classes in Graphene Quantum Dots: Universal Spectral Statistics, Weak Localization, and Conductance Fluctuations
J. Wurm, A. Rycerz, I. Adagideli, M. Wimmer, K. Richter and H.U. Baranger
Phys. Rev. Lett. 102, 056806 (2009)
PDF

Optimal block-tridiagonalization of matrices for coherent charge transport
M. Wimmer
and K. Richter
J. Comp. Phys. 228, 8548-8565 (2009)
PDF, ArXiv

2008

Spin currents in rough graphene nanoribbons: Universal fluctuations and spin injection
M. Wimmer, I. Adagideli, S. Berber, D. Tomanek and K. Richter
Phys. Rev. Lett. 100, 177207 (2008)
PDF

2007

Extracting current-induced spins: Spin boundary conditions at narrow Hall contacts
I. Adagideli, M. Scheid, M. Wimmer, G.E.W. Bauer and K. Richter
New J. Phys. 9, 382-399 (2007)
PDF

2006

Biexciton recombination rates in self-assembled quantum dots
M. Wimmer
, S.V. Nair and J. Shumway
Phys. Rev. B 76, 165305 (2006)
PDF, ArXiv

Zeeman ratchets for ballistic spin currents
M. Scheid, M. Wimmer, D. Bercioux and K. Richter
Phys. Status Solidi (c) 3, 4235-4238 (2006)
PDF, ArXiv

Chapters in books

Spin-polarized quantum transport in mesoscopic conductors: Computational concepts and physical phenomena
M. Wimmer, M. Scheid and K. Richter
In: Encyclopedia of Complexity and System Science (Springer, 2009)
PDFArXiv

Books

Quantum transport in nanostructures: From computational concepts to spintronics in graphene and magnetic tunnel junctions
M. Wimmer
Universitätsverlag Regensburg (Regensburg, 2009)

Publications in proceedings

Tunneling magnetoresistance: The relevance of disorder at the interface
M. Wimmer and K. Richter
In: Proc. 27th Int. Conf. on the Physics of Semiconductors, 1375-1376 (2005)

Aspects of electronic transport: A bottom-up approach
A. Lassl and M. Wimmer
In: Workshop Report V of the Windberg Meeting 2005 (editiert von F. Nesi, L. Mayrhofer, J. Trenner, M. Grifoni und C. Schüller), 131-150 (2005)

Disorder effects on spin-dependent tunneling
M. Wimmer
In: Worksthop Report IV of the Windberg Meeting 2004 (editiert von B. Rieder and A. Glukhovskoy), 55-68 (2004)