Representative Publications
G. Tkachov and E. M. Hankiewicz, Ballistic quantum spin Hall state and enhanced edge backscattering in strong magnetic fields, Phys. Rev. Lett. 104, 166803 (2010) ; arXiv: 0909.4428,
F. Rohlfing, G. Tkachov, F. Otto, K. Richter, D. Weiss, G. Borghs, and C. Strunk, Doppler shift in Andreev reflection from a moving superconducting condensate in Nb/InAs Josephson junctions, Phys. Rev. B 80, 220507(R) (2009) ; arXiv: 0903.0321.
G. Tkachov, Dirac fermion quantization on graphene edges: Isospin-orbit coupling, zero modes and spontaneous valley polarization, Phys. Rev. B 79, 045429 (2009) ; arXiv: 0811.2698.
G. Tkachov and M. Hentschel, Coupling between chirality and pseudospin of Dirac fermions: Non-analytical particle-hole asymmetry and a proposal for a tunneling device, Phys. Rev. B 79, 195422 (2009) ; arXiv: 0810.0632.
G. Tkachov and K. Richter, Spin-polarized tunneling through randomly transparent magnetic junctions: Reentrant magnetoresistance approaching the Julliere limit, Phys. Rev. B 77, 184427 (2008) ; arXiv: 0803.3427.
G. Tkachov and M. Hentschel, Spin-orbit coupling, edge states and quantum spin Hall criticality due to Dirac fermion confinement: The case study of graphene, Eur. Phys. J. B, 00188 (2009); arXiv: 0803.0713.
G. Tkachov, Fine structure of the local pseudogap and Fano effect for superconducting electrons near a zigzag graphene edge, Phys. Rev. B 76, 235409 (2007) ; arXiv: 0707.3048.
G. Tkachov and K. Richter, Effect of magnetic pair breaking on Andreev bound states and resonant supercurrent in quantum dot Josephson junctions, Phys. Rev. B 75, 134517 (2007) ; cond-mat/0609179.
G. Fagas, G. Tkachov, A. Pfund, and K. Richter, Geometrical enhancement of the proximity effect in quantum wires with extended superconducting tunnel contacts, Phys. Rev. B 71, 224510 (2005); cond-mat/0501303.
G. Tkachov and K. Richter, Andreev magnetotransport in low-dimensional proximity structures: Spin-dependent conductance enhancement, Phys. Rev. B 71, 094517 (2005); cond-mat/0411412.
G. Tkachov, Nonmetallic thermal transport in low-dimensional proximity structures with partially preserved time-reversal symmetry in a magnetic field, Physica C: Superconductivity and its applications 417 (3-4), 127-140 (2005); cond-mat/0402158.
G. Tkachov and V.I. Fal'ko, Magnetic field influence on the proximity effect in semiconductor-superconductor hybrid structures and their thermal conductance, Phys. Rev. B 69, 092503 (2004); cond-mat/0307062.
G. Tkachov, E. McCann, and V. I. Fal'ko, Andreev reflection and subgap transport due to electron-magnon interactions in ferromagnet-superconductor junctions, Int. J. Mod. Phys. B 17, 5001 (2003).
G. Tkachov, E. McCann, and V.I. Fal'ko, Subgap transport in ferromagnet-superconductor junctions due to magnon-assisted Andreev reflection, Phys. Rev. B 65, 024519 (2001); cond-mat/0106161.
G. Tkachov, E. McCann, and V.I. Fal'ko, Andreev reflection and subgap transport due to electron-magnon interactions in ferromagnet-superconductor junctions, in "Recent Progress in Many-Body Theories" edited by R.F. Bishop, T. Brands, K.A. Gernoth, N.R. Walet and Y. Xian, v. 6, p. 60 (World Scientific, 2002).
E. McCann, G. Tkachov, and V.I. Fal'ko, Magnon-assisted Andreev transport across ferromagnet-superconductor junctions, Physica E 12, 938 (2002).
V. I. Fal'ko, G. Tkachov, and E. McCann, Magnon-assisted Andreev reflection in a ferromagnet-superconductor junction, in "Electronic Correlations: from Meso- to Nanophysics," edited by T. Martin et al (EDPSciences, 2001), p.147.
S.A. Derev'anko, G.B. Tkachev, and V.A. Yampol'skii, Anomalous penetration of an electromagnetic signal in a thin metallic film under strong magnetodynamic nonlinearity conditions, Journal of Exp. and Theor. Physics 93 (3), 630 (2001).
N.M. Makarov, G.B. Tkachev, and V.E. Vekslerchik, Nonlinear conductivity and magnetoplasma waves in compensated metals and semi-metals, J.Phys.: Condens. Matter. 10, 1033 (1998).