Quantum Transport Group
Prof. Dr. Wolfgang Belzig

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Group Seminar

 

Time & Place: Wednesdays, 12:00 in P1012 (or P812)

SS 2017

  • 07. June: Felicitas Hellbach, Coupling of Quantum Dot Systems to Microwave Cavities
  • 24. May: Ali Rezaei, Spin-Caloritronic Transport in Superconductor-Ferromagnet Tunnel Structures
  • 02. May: Jacob Holder, SF-superlattices as meta materials
  • 26. April: Gianluca Rastelli, Nonlinear phenomena in nanomechanical resonators based on dielectric forces
  • 19. April: discussion

WS 2016/17

  • 15. March: Dominik Maile, Phase diagram of the quantum dissipative rotor model with two competing baths
  • 08. March: Mattia Mantovani, Vibrational lasing in a nanomechanical resonator by spin-polarized current
  • 01. March: Akashdeep Kamra, Non-integer-spin bosonic excitations in untextured ferromagnets
  • 21. December: Maxim Trushin, Collinear scattering of photoexcited carriers in graphene
  • 23. November: Narasimha Raju (University of Hyderabad), Anderson-Holstein Model: some applications
  • 21. November (Monday, at 15:15, P601): Dr. Paramita Dutta (India), Interferometer with helical current - does it manifest topological insulator edge states?
  • 09. November: Angelo Di Marco (Chalmers), Thermoelectric Performance of a Time-Dependently Driven Quantum Dot
  • 02. November: Victor Fernandez-Hurtado (Konstanz), Photon transport between photonic crystals
  • 12. October: Raffael Klees (Konstanz), Quasiparticle effects in topological Josephson junctions

SS 2016

  • 28. September: Maximilan Becker (University of Tübingen), Theory of Local Fields and Application to Crystalline and Isotropic Non-Crystalline Materials
  • 20. July: Dominik Maile (University of Tübigen), Quantum dissipative effects in the quantum rotor model
  • 22. June: Mattia Mantovani (Milano), A novel Maxwell-Schroedinger approach to Ultrafast X-ray scattering
  • 08. June: Cyril Saussol, Decoherence dynamics in 1D spin lattices
  • 01. June: Hongxin Zhan, Zero temperature Bell test in a driven mesoscopic contact
  • 18. May, P812: Robert Hussein (Genova), Electron and heat pump in coupled nano-conductors
  • 11. May, P812: Akash Kamra, Super-Poissonian Shot Noise of Squeezed-Magnon Mediated Spin Transport
  • 04. May: Raffael Klees,  Quasiparticle effects in topological Josephson junctions
  • 20. April: Simon Wozny (Konstanz/Reikjavik), Influence of potential scattering of magnetic impurities in topological insulator edge states
  • 06. April: discussion

WS 2015/2016

  • 17. February: Maxim Trushin, Theory for edge-state optical absorption in 2d transition metal dichalcogenide flakes
  • 10. February: free
  • 03. February: Ali Rezaei, Thermoelectric Properties of 3D Topological Insulators, Effects of Gap and Hexagonal Warping
  • 27. January: free
  • 20. January: Hannes Weisbrich, Decoherence of entangled states in superconducting qubits
  • 13. January: Natasha Pugach (Lomonosov Moscow State University), Superconducting spin valves
  • 16. December: Robert Siebler
  • 09. December: Werner Schosser
  • 02. December: Pascal Stadler, Ground-state cooling of a mechanical oscillator by noise-interference in Andreev-reflections
  • 25. November: Angelo Di Marco, Effect of Photon-Assisted Andreev Reflection in the Accuracy of a SINIS Turnstile 
  • 18. November: free
  • 11. November: Johannes Buelte, Correlations of weak quantum measurements in non-Markovian detection scheme
  • 04. November: free
  • 28. October: Akashdeep Kamra, Coherent elastic excitation of spin waves
  • 21. October: general discussion

SS 2015

  • 16. September: Robin Kopp, Study of the entanglement dynamics in superconductive qubits; David Fricker, Mesoscopic superconductivity in graphene; Johannes Krotz, Quantum Transport in Topological Insulator-Superconductor Heterostructures
  • 02. September: Dongzhe Li (CEA Saclay), Magnetic anisotropy of Fe and Co nanocrystals: Tight-binding and ab initio studies
  • 19. August: Hongxin Zhan, Shot noise of spin current and spin transfer torque
  • 22. July: Tomé Magalhães Gouveia, Nonlinear Effects in Plasmas and Acoustics
  • 20. July: Benjamin Koehler, Control of two spin- systems
  • 06. July: Cyril Saussol, Direct calculation of a self-consistent one-body Green's function
  • 24. June: Yuan Zhang (HU Berlin), Theory of molecular junction electroluminescence: plasmon enhancement and emission narrowing due to multiple molecules
  • 22. June: Istas Mathieu, Dissipation in one dimensional Heisenberg and Bose-Hubbard model using the TEBD Algorithm
  • 10. June: Werner Schosser, Ab-initio description of spin-lattice couplings
  • 20. May: discussion
  • 22. April: Cornelia Hille, Calculation of the Lorentz integral transform with nonsymmetrized hyperspherical harmonics: Photodisintegration of 7Be  
  • 15. April: discussion

WS 2014/2015

  • 25. March: Dr. Marius Bürkle (AIST Japan)
  • 11. March: DPG Rehearsal
  • 25. February: Simon Lamowski, Tunable plasmon polaritons in cubic crystals of interacting metallic nanoparticles
  • 18. February: Fei Xu, Over-Bias Light Emission due to Higher Order Quantum Noise of a Tunnel Junction
  • 11. February: Peter Machon, Full spin-dependent boundary condition and applications
  • 04. February: Johannes Reutlinger, On the universality of the secondarygap in chaotic Josephson junctions
  • 21. January: Dinesh Yadav, Ab-initio studies of hot carrier dynamics in two-dimensional materials
  • 14. January: discussion
  • 17. December: Jan Klöckner, phonon transport and thermoelectric properties of molecular contacts
  • 10. December: discussion
  • 03. December: Dr. Markus Armbruster (KIT), Quasirelativistic two-component density functional methods:Theory and applications to large molecular systems
  • 26. November: Dr. Arijit Saha (University of Basel), Transport signatures of Fractional Fermions in Nanowires
  • 19. November: Dr. Maxim Trushin, Theory of interband optical excitations in graphene and its applications to polarisation-resolved optical pump-probe spectroscopy and photodetection
  • 12. November: Stefan Herzog, Dzyaloshinskii-Moriya interaction in transport through a single-molecule transistor
  • 05. November: free
  • 21. October: discussion

SS 2014

  • 03. September: Felicitas Hellbach, Tunable plasmon polaritons in arrays of interacting metallic nanoparticles
  • 23. July: Milena Filipovic
  • 09. July: Robert Goßmann, Quantum interference in phonon transport through single-molecule junctions
  • 02. July: Robert Hanfland (University of Augsburg), Simulations on mobility in organic solar cells
  • 18. June: Petra Pudleiner (University of Heidelberg), Ground states for the Bose-Hubbard model with flat bands
  • 11. June: discussion
  • 28. May: Jan Klöckner, Phonon thermal transport in molecular contacts
  • 21. May: Johannes Bülte, Non-Markovian and Non-symmetrized correlation functions of weak quantum measurements
  • 14. May: Andreas Irmler, Hartree Fock Approximation in periodic systems
  • 28. April: Stefan Beyl (KIT), Spin-orbit coupling effects in superconducting oxide interfaces
  • 23. April: Dirk Wiedmann, Spin-polarized transport through graphene nanoribbons
  • 09. April: Maxim Trushin, On the optical pump-probe measurements in graphene

WS 2013/2014

  • 26. March: General rehearsal for the Spring Meeting in Dresden
  • 19. March: Pascal Stadler, Cooling a carbon nanotube resonator by spin-polarized currents
  • 26. February: Johannes Reutlinger, Secondary  "Smile" -gap in the density of states of a cavity between Supercondutors
  • 19. February: Dr. Marius Bürkle (Japan), Charge and heat transport through single-molecule junctions
  • 05. February: Dr. Claire Wahl (Marseille), Interactions and charge fractionalization in one electronic Hong-ou-Mandel interferometer
  • 15. January 2014: Yonatan Dubi (Israel), Electronic transport through self-assembled monolayer molecular junctions: A universal theoretical approach
  • 08. January 2014: discussion
  • 18. December 2013: Dr. Sanghamitra Neogi (Mainz), Theoretical investigation of thermal transport: Across model interface and nanostructures
  • 04. December 2013: M.Sc. Simon Lamoski (TU Bergakademie Freiberg), On low-energy electronic excitations in the Ti_1-x Al_x N-system
  • 27. November 2013: Alexander Lopez (University of Regensburg), Optical conductivity and massive chiral edge mode in the periodically driven honeycomb lattice
  • 20. November 2013: M. Sc. Safa Golrokh Bahoosh (Halle), Microscopic modeling of multiferroic thin films and nanostructures
  • 13. November 2013: Felix Huber (ETH), Stars orbiting Black holes
  • 30. October 2013: Elias Dib (Marseille), Quantum transport simulations in presence of electron-phonon interactions
  • 09. October 2013: discussion

SS  2013

  • 18. September 2013: discussion
  • 14. August 2013: Philipp Trocha
  • 10. July 2013: Felix Rochau, Thermoelectric properties of long molecular wires
  • 03. July 2013: Prof. Dr. Jürgen Kübler (Universität Darmstadt), The Berry-curvature: challenges in electronic structure
  • 19. June 2013: Kangho Lee, Ultimate charge sensitivity and efficiency of a quantum point contact with a superposed input state
  • 05. June 2013: Fei Xu, Emission noise spectrum of tunneling electrons coupled to a localized plasmon
  • 29. May 2013: Gianluca Rastelli, Producing an attractive scientific poster
  • 08. May 2013: Dirk Wiedmann, Spin-polarized transport through graphene nanoribbons
  • 24. April 2013: Oleksiy Kashuba (RWTH Aachen), Transient dynamics and non-markovian memory in dissipative quantum systems
  • 17. April 2013: Anton Ivanov (University of Heidelberg), Bosonic transport across a Bose-Hubbard chain

WS 2012/2013

  • 20. March 2013: discussion
  • 06. February 2013: discussion
  • 23. January 2013: Andreas Irmler (Stuttgart), t.b.a.
  • 16. January 2013: Milena Filipovic
  • 19. December 2012: Mihajlo Vanevic (Belgrade), Control of electron-hole pair generation by time-dependent voltage drive of a quantum point contact
  • 12. December 2012: Fabian Pauly (Universität Konstanz): Theory of charge transport through nanostructures
  • 05. December 2012: Discussion
  • 14. November 2012: Discussion
  • 31. October 2012: Martin Faigle, Coherent latteral scattering by a single atom quantum point contact
  • 24. October 2012: Johannes Buelte, Quantum shot noise cross-talk in coupled nanosystems
  • 16. October 2012: Discussion
  • 26. September 2012: Discussion

SS 2012

  • 15. August 2012: Anselm Klenner
  • 08. August 2012: discussion
  • 18. July 2012: Maximilian Thaller, Florian Jetter
  • 20. June 2012: Adam Bednoz (Warsaw)
  • 06. June 2012: Mihajlo Vanevic (Belgrade), Quantum phase slips in superconducting wires with weak spots
  • 30. May 2012: Olga Shevchuk (Amsterdam), Classification of states in XXZ model
  • 23. May 2012: discussion
  • 21. May 2012: Martin Bruderer: Mesoscopic transport of ultracold fermions through an engineered channel
  • 09. May 2012: Gianluca Rastelli (Grenoble): Quantum phase fluctuations in Josephson junction chains
  • 25. April 2012: Maxim Trushin (Regensburg): Photoresponse of graphene n-n' junctions
  • 18. April 2012: Johannes Bülte,

WS 2011/2012

  • 08. February 2012: Pascal Stadler, Josephson current through a quantum dot coupled to a nanomagnet
  • 01. February 2012: Johannes Reutlinger, State density in superconductor/normal metal contacts
  • 21. December 2011: year-end meeting
  • 14. December 2011: Georgios Kordas, Open Bose-Hubbard Chains: A Master Equation Approach (Heidelberg)
  • 07. December 2011: Martin Zonta (Prague): Influence of electrodynamic environment on voltage noise in small-area Josephson junctions
  • 23. November 2011: discussion
  • 16. November 2011: Martin Bruderer, XY Spin Chains for Perfect State Transfer & spinGUIn
  • 09. November 2011: Fei Xu, Quantum dynamics of shot noise in nano junctions
  • 26. October 2011: discussion
  • 19. October 2011: Virginia Estevez, Spin accumulation in nanoparticle arrays (ICMM-CSIC, Spain)

SS 2011

  • 12. October 2011: discussion
  • 21. September 2011: Alex Kovalev (University of California)
  • 20. July 2011: Simon Ragg
  • 06. July 2011: David Oettinger
  • 29. June 2011: Pascal Stadler
  • 22. June 2011: Johannes Reutlinger
  • 08. June 2011: Milena Filipovic
  • 25. May 2011: Akos Rapp (Cologne)
  • 11. May 2011: Christian Wickles
  • 13. April 2011: Simon Reinbold

WS 2010/2011

  • 16. February 2011: Sebastian Gattenlöhner (Edinburgh)
  • 02. February 2011: Kurt Franke
    Weak values, quasiprobability, and time-reversal symmetry in quantum mechanics
  • 22. December 2010: Cecilia Holmqvist (Chalmers)
    Non-equilibrium effects in a Josephson junction coupled to a precessing spin
  • 01. December 2010: Peter Machon (Universität Konstanz)
    Boundary Conditions for Quasiclassical Green's functions
  • 17. November 2010: Ingo Kamleitner (KIT)
    Adiabatic Cooper pair pumping
  • 10. November 2010: Christian Wickles (Universität Konstanz)
    Topoligical Insulators II
  • 03. November2010: Christian Wickles (Universität Konstanz)
    Topoligical Insulators I
  • 27. October 2010: Milena Filipovic (Universität Konstanz)
  • 20. October 2010: Simon Reinbold (Universität Konstanz)
  • 13. October 2010: Dipl.-Phys. Hans Hettmansperger (Uni Heidelberg)
    keV sterile neutrino dark matter in gauge extensions of the standard model
  • 06. Oktober 2010: Xu Fei (Universität Konstanz)
    Asymmetric quantum noise

SS 2010

  • 29. July 2010: Prof. Malek Zareyan (IASBS Zanjan, Iran)
    Spin chirality in ferromagnetic graphene
  • 28. July 2010: Johannes Bülte (Konstanz)
    Phonon-assisted transport in molecular junctions
  • 21 July 2010: Dr. Bjoern Kubala (Universität Erlangen-Nürnberg)
    AC-Conductance through an Interacting Quantum Dot
  • 19. July 2010, 14:15, P603: Frank K. Wilhelm (ICQ, Waterloo)
    The size of superposition states in flux qubits
  • 16. July 2010, 14:15, P912: Reinhard Birmuske (Konstanz)
    Bosonen-induzierte Korrelation zweier Pseudospins
  • 15. July 2010, 10:15, P812: Kurt Franke (Konstanz)
    Weak Values
  • 14. July 2010: Lukas Wurzer (Innsbruck)
    Limits for EPR-Correlation Functions
  • 16. June 2010: Fabio Cavaliere (Genova)
    Transport properties of nanoelectromechanical systems
  • 14. April 2010: Fedrica Haupt (Konstanz)
    Inelastic phonon induced noise in multi-level molecular junctions

WS 2009/2010

  • 3. März 2010: Roland Grein (Karlsruher Institut für Technologie)
    Exotic pairing correlations induced by spin-active interfaces
  • 3. Februar 2010: Gerold Kießlich (Berlin)
    Coherences and Multistability in Counting statistics of interacting quantum dot systems
  • 27. January 2010: Adam Bednorz (Konstanz)
    Weak Measurement and Quasiprobabilities in Quantum Point Contacts
  • 15. January 2010: Peter Machon (Dresden)
    Current-Density-Functional-Theory from the exact solution of the two-electron-problem in a magnetic field
  • 13. January 2010: Tomas Novotny (Prague)
    Superconducting transport through quantum dots and nanowires
  • 16. December 2009: Milena Filipovic (Konstanz)
    Transport through a noninteracting single level quantum dot in the presence of a magnetic field
  • 9. December 2009: Dima Bagrets (Forschungszentrum Karlsruhe)
    Nonequilibrium Luttinger Liquids

SS 2009

WS 2008/2009

SS 2008

  • 14. July: Dima Golubev (Karlsruhe)
    Phase slips in superconducting nanowires
  • 2. July: Sebastian Gattenlöhner (Konstanz)
    Ripples in graphene
  • 25. June: Martin Leib (Konstanz)
    Josephson current in SFFS
  • 18. June: Fabian Mohn (Konstanz)
    Green's functions, quantum circuit theory and weak localization
  • 10. June: Wolf-Rüdiger Hannes (Konstanz)
    Detection of spin entanglement and quantum state tomography
  • 27. Mai: Yesenia Arredondo (Bonn)
    Density-density correlation function in one-dimensional heterostructures (DMRG)
  • 20. Mai: Mauricio Trujillo Martinez (Bonn)
    Nonadiabatic merging of trapped Bose gases
  • 13. Mai: Christian Wickles (Konstanz)
    Electron transport in ferromagnetic materials with inhomogeneous and time-dependent magnetic order parameter
  • 6. May: Adam Bednorz (Konstanz)
    Positive operator valued measure formulation of time-resolved counting statistics

WS 2007/2008

SS 2007

  • 20. Juli: Carlos Egues (Basel/Sao Paulo)
    New spin orbit interaction, zitterbewegung and spin Hall effect in symmetric wells
  • 10. Juli: Alexander Kohler (Konstanz)
    Conductance Fluctuations in inhomogeneous Systems
  • 19. Juni: Takis Kontos (ENS, Paris)
    Towards quantum optics with electrons
  • 19. Juni: Audrey Cottet (Paris)
    Mesoscopic circuits with spin-active interfaces
  • 12. Juni: Simon Staudenmayer (Konstanz)
    Density correlation in finite size superconductors
  • 15. Mai: Christian Wickles (Konstanz)
    Domain wall resistance II
  • 8. Mai: Christian Wickles (Konstanz)
    Domain wall resistance I
  • 23. April: Adam Bednorz (Warschau)
    A model of junction without backscattering and its applications
  • 20. April: Yu. V. Nazarov (Delft)
    Exciting half-integer charges in a quantum point contact
  • 17. April: Nguyen Thi Kim Thanh (Marseille)
    Photo-assisted Andreev reflection as a probe of quantum noise

WS 2006/2007

  • 13. Februar: Björn Trauzettel (Basel)
    Spin qubits in graphene quantum dots
  • 30. Januar: Alexander Kohler (Konstanz)
    Weak localization and UCF
  • 23. Januar: Mihajlo Vanevic (Basel)
    Time-dependent FCS
  • 9. Januar: Stefan Bretzel (Konstanz)
    Josephson current in proximity networks
  • 19. Dezember: C.W.J. Beenakker (Leiden)
    Mesoscopic Physics in Graphene
  • 5. Dezember: M. Zareyan (Zanjan)
    Spin-polarizaed shot noise in FN systems
  • 4. Dezember: Ali Gorbanzade (Zanjan)
    Noise and conductance in a quantum Hall interferometer structure
  • 28. November: P. Brouwer (Cornell)
    Current-induced magnetization dynamics in nanoscale magnets
  • 21. November: B. Abdollahipur (Zanjan)
    Full Counting Statistics of a Graphene Strip
  • 7. November: Simon Staudenmayer (Konstanz)
    The Richardson solution to the BCS pairing Hamiltonian
  • 31. Oktober: Georgo Metalidis (Halle)
    Imaging electron flow in a two-dimensional electron gas
  • 24. Oktober: N.N.

SS 2006

  • 29. August: Simon Staudenmayer
    Testing the Limits of Neural Networks in Modeling Structual Conformations of Molecules
  • 22. August: Stefan Bretzel
    Josephson current
  • 15. August: Jan Hammer
    Finite-Frequency Noise
  • 1. August: Misha Titov
    Interaction-induced Renormalization of Andreev Reflection
  • 25. Juli: Wolfgang Belzig
    Transmission Eigenvalue Distributions of Mesoscopic Conductors
  • 23. Juni: Maarten Wegewijs (Aachen)
    Electron transport through single molecules: vibrational and magnetic excitations
  • 23. Juni: Markus Müller
    Interaction Correction to Andreev Reflection
  • 16. Mai: Maciej Misiorny (University of Poznan)
    Spin reversal processes in single molecular magnets due to spin polarized currents
  • 9. Mai: Christian Wickles (Universität Bayreuth)
    Dynamical breakdown of weak photon localization

WS 2005/2006

  • 24. Januar: Markus Müller
    The Minority Game - An Introduction
  • 6. December: Dipl. Phys. Marion Fauré (Universite Bordeaux)
    Influence of magnetic scattering and interface transparency on the properties of Superconductor/Ferromagnet systems
  • 7. November: Dipl. Phys. Jan Hammer (Universität Karlsruhe)
    Proximity Effect and Multiple Andreev Reflections in diffusive SNS junctions