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• "Gate-controlled persistent spin helix state in (In,Ga)As quantum wells", Kohda, Lechner, Kunihashi, Dollinger, Olbrich, Schönhuber, Caspers, Belkov, Golub, Weiss, Richter, Nitta, Ganichev, 2012

  Publication

  In layered semiconductors with spin-orbit interaction (SOI) a persistent spin helix (PSH) state with suppressed spin relaxation is expected if the...

  Publication on epub.uni-regensburg.de: "Gate-controlled persistent spin helix state in (In,Ga)As quantum wells" (external link, opens in a new window)

• "Intensity distribution of non-linear scattering states", Hartmann, Urbina, Richter, Schlagheck, 2012

  Publication

  We investigate the interplay between coherent effects characteristic of the propagation of linear waves, the non-linear effects due to interactions,...

  Publication on epub.uni-regensburg.de: "Intensity distribution of non-linear scattering states" (external link, opens in a new window)

• "Efficient quantum transport simulation for bulk graphene heterojunctions", Liu, Richter, 2012

  Publication

  The quantum transport formalism based on tight-binding models is known to be powerful in dealing with a wide range of open physical systems subject to...

  Publication on epub.uni-regensburg.de: "Efficient quantum transport simulation for bulk graphene heterojunctions" (external link, opens in a new window)

• "Spin transmission control in helical magnetic fields", Saarikoski, Dollinger, Richter, 2012

  Publication

  We calculate spin transport in two-dimensional wave guides in the presence of spatially modulated Zeeman-split energy bands. We show that in a regime...

  Publication on epub.uni-regensburg.de: "Spin transmission control in helical magnetic fields" (external link, opens in a new window)

• "Weak localization and Berry phases in HgTe quantum wells (Vol. 44 No. 2) = Verweis auf: Probing the Band Topology of Mercury Telluride through Weak Localization and Antilocalization", Krueckl, Richter, 2012

  Publication

  We analyze the effect of weak localization (WL) and weak antilocalization (WAL) in the electronic transport through HgTe/CdTe quantum wells. We show...

  Publication on epub.uni-regensburg.de: "Weak localization and Berry phases in HgTe quantum wells (Vol. 44 No. 2) = Verweis auf: Probing the Band Topology of Mercury Telluride through Weak Localization and Antilocalization" (external link, opens in a new window)

• "Edge state effects in junctions with graphene electrodes", Ryndyk, Bundesmann, Liu, Richter, 2012

  Publication

  We consider plane junctions with graphene electrodes, which are formed by a single-level system ("molecule") placed between the edges of two...

  Publication on epub.uni-regensburg.de: "Edge state effects in junctions with graphene electrodes" (external link, opens in a new window)

• "Supporting random wave models: a quantum mechanical approach", Urbina, Richter, 2003

  Publication

  We show how two-point correlation functions recently derived within non-isotropic random wave models can be obtained in the appropriate limit in terms...

  Publication on epub.uni-regensburg.de: "Supporting random wave models: a quantum mechanical approach" (external link, opens in a new window)

• "Semiclassical construction of random wave functions for confined systems", Urbina, Richter, 2004

  Publication

  We develop a statistical description of chaotic wave functions in closed systems obeying arbitrary boundary conditions by combining a semiclassical...

  Publication on epub.uni-regensburg.de: "Semiclassical construction of random wave functions for confined systems" (external link, opens in a new window)

• "Random Wave Models", Urbina, Richter, 2006

  Publication

  preprint

  Publication on epub.uni-regensburg.de: "Random Wave Models" (external link, opens in a new window)

• "Statistical Description of Eigenfunctions in Chaotic and Weakly Disordered Systems beyond Universality", Urbina, Richter, 2006

  Publication

  We present a semiclassical approach to eigenfunction statistics in chaotic and weakly disordered quantum systems which goes beyond random matrix...

  Publication on epub.uni-regensburg.de: "Statistical Description of Eigenfunctions in Chaotic and Weakly Disordered Systems beyond Universality" (external link, opens in a new window)