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• "The semiclassical propagator in Fock space: dynamical echo and many-body interference", Engl, Urbina, Richter, 2016

  Publication

  We present a semiclassical approach to many-body quantum propagation in terms of coherent sums over quantum amplitudes associated with the solutions...

  Publication on epub.uni-regensburg.de: "The semiclassical propagator in Fock space: dynamical echo and many-body interference" (external link, opens in a new window)

• "Gate-controlled conductance enhancement from quantum Hall channels along graphene p-n junctions", Tóvári, Makk, Liu, Rickhaus, Kovács-Krausz, Richter, Schönenberger, Csonka, 2016

  Publication

  The formation of quantum Hall channels inside the bulk of graphene is studied using various contact and gate geometries. p-n junctions are created...

  Publication on epub.uni-regensburg.de: "Gate-controlled conductance enhancement from quantum Hall channels along graphene p-n junctions" (external link, opens in a new window)

• "Creating and Steering Highly Directional Electron Beams in Graphene", Liu, Gorini, Richter, 2017

  Publication

  We put forward a concept to create highly collimated, nondispersive electron beams in pseudorelativistic Dirac materials such as graphene or...

  Publication on epub.uni-regensburg.de: "Creating and Steering Highly Directional Electron Beams in Graphene" (external link, opens in a new window)

• "Fabry-Pérot Resonances in a Graphene/hBN Moiré Superlattice", Handschin, Makk, Rickhaus, Liu, Watanabe, Taniguchi, Richter, Schönenberger, 2017

  Publication

  While Fabry-Perot (FP) resonances and Moire superlattices are intensively studied in graphene on hexagonal boron nitride (hBN), the two effects have...

  Publication on epub.uni-regensburg.de: "Fabry-Pérot Resonances in a Graphene/hBN Moiré Superlattice" (external link, opens in a new window)

• "Oscillating Magnetoresistance in Graphene p–n Junctions at Intermediate Magnetic Fields", Overweg, Eggimann, Liu, Varlet, Eich, Simonet, Lee, Watanabe, Taniguchi, Richter, Fal’ko, Ensslin, Ihn, 2017

  Publication

  We report on the observation of magnetoresistance oscillations in graphene p-n junctions. The oscillations have been observed for six samples,...

  Publication on epub.uni-regensburg.de: "Oscillating Magnetoresistance in Graphene p–n Junctions at Intermediate Magnetic Fields" (external link, opens in a new window)

• "Dirac quantum time mirror", Reck, Gorini, Goussev, Krueckl, Fink, Richter, 2017

  Publication

  Both metaphysical and practical considerations related to time inversion have intrigued scientists for generations. Physicists have strived to devise...

  Publication on epub.uni-regensburg.de: "Dirac quantum time mirror" (external link, opens in a new window)

• "Semiclassics in a system without classical limit: The few-body spectrum of two interacting bosons in one dimension", Geiger, Urbina, Hummel, Richter, 2017

  Publication

  xWe present a semiclassical study of the spectrum of a few-body system consisting of two short-range interacting bosonic particles in one dimension, a...

  Publication on epub.uni-regensburg.de: "Semiclassics in a system without classical limit: The few-body spectrum of two interacting bosons in one dimension" (external link, opens in a new window)

• "Giant Valley-Isospin Conductance Oscillations in Ballistic Graphene", Handschin, Makk, Rickhaus, Maurand, Watanabe, Taniguchi, Richter, Liu, Schönenberger, 2017

  Publication

  At high magnetic fields the conductance of graphene is governed by the half-integer quantum Hall effect. By local electrostatic gating a p-n junction...

  Publication on epub.uni-regensburg.de: "Giant Valley-Isospin Conductance Oscillations in Ballistic Graphene" (external link, opens in a new window)

• "Hofstadters Schmetterling "Das Ganze ist mehr als die Summe seiner Teile"", Evers, Richter, 2018

  Publication

  Der Pulitzer-Preisträger Douglas Hofstadter aus Bloomington, USA, ist einem breiteren Publikum vielleicht am ehesten bekannt durch sein Werk „Gödel,...

  Publication on epub.uni-regensburg.de: "Hofstadters Schmetterling "Das Ganze ist mehr als die Summe seiner Teile"" (external link, opens in a new window)

• "Probing spin helical surface states in topological HgTe nanowires", Ziegler, Kozlovsky, Gorini, Liu, Weishäupl, Maier, Fischer, Kozlov, Kvon, Mikhailov, Dvoretsky, Richter, Weiss, 2018

  Publication

  Nanowires with helical surface states represent key prerequisites for observing and exploiting phase-coherent topological conductance phenomena, such...

  Publication on epub.uni-regensburg.de: "Probing spin helical surface states in topological HgTe nanowires" (external link, opens in a new window)