Abstract.
We study numerically the influence of strong Coulomb repulsion on the current through molecular wires that are driven by external electromagnetic fields. The molecule is described by a tight-binding model whose first and last site is coupled to a respective lead. The leads are eliminated within a perturbation theory yielding a master equation for the wire. The decomposition into a Floquet basis enables an efficient treatment of the driving field. For the electronic excitations in bridged molecular wires, we find that strong Coulomb repulsion significantly sharpens resonance peaks which broaden again with increasing temperature. By contrast, it has only a small influence on effects like non-adiabatic electron pumping and coherent current suppression.
Similar content being viewed by others
References
M.A. Reed, C. Zhou, C.J. Muller, T.P. Burgin, J.M. Tour, Science 278, 252 (1997)
X.D. Cui et al., Science 294, 571 (2001)
J. Reichert, R. Ochs, D. Beckmann, H.B. Weber, M. Mayor, H. von Löhneysen, Phys. Rev. Lett. 88, 176804 (2002)
J. Reichert, H.B. Weber, M. Mayor, H. von Löhneysen, Appl. Phys. Lett. 82, 4137 (2003)
S. Kohler, J. Lehmann, S. Camalet, P. Hänggi, Israel J. Chem. 42, 135 (2002)
A. Keller, O. Atabek, M. Ratner, V. Mujica, J. Phys. B 35, 4981 (2002)
A. Tikhonov, R.D. Coalson, Y. Dahnovsky, J. Chem. Phys. 117, 567 (2002)
S. Kohler, J. Lehmann, P. Hänggi, Phys. Rep. 406, 379 (2005)
R.H. Blick, R.J. Haug, J. Weis, D. Pfannkuche, K. von Klitzing, K. Eberl, Phys. Rev. B 53, 7899 (1996)
W.G. van der Wiel, S. De Franceschi, J.M. Elzerman, T. Fujisawa, S. Tarucha, L.P. Kouwenhoven, Rev. Mod. Phys. 75, 1 (2003)
T.H. Oosterkamp et al., Nature 395, 873 (1998)
W.G. van der Wiel, T. Fujisawa, T.H. Oosterkamp, L.P. Kouwenhoven, Physica B (Amsterdam) 272, 31 (1999)
G. Platero, R. Aguado, Phys. Rep. 395, 1 (2004)
J. Lehmann, S. Camalet, S. Kohler, P. Hänggi, Chem. Phys. Lett. 368, 282 (2003)
F. Grossmann, Phys. Rev. B 70, 113306 (2004)
S. Welack, M. Schreiber, U. Kleinekathöfer, J. Chem. Phys. 124, 044712 (2006)
S. Camalet, J. Lehmann, S. Kohler, P. Hänggi, Phys. Rev. Lett. 90, 210602 (2003); S. Camalet, et al., Phys. Rev. B 70, 155326 (2004)
P.W. Brouwer, Phys. Rev. B 58, R10135 (1998)
B.L. Altshuler, L.I. Glazman, Science 283, 1864 (1999)
M. Switkes, C.M. Marcus, K. Campman, A.C. Gossard, Science 283, 1905 (1999)
B. Wang, J. Wang, H. Guo, Phys. Rev. B 65, 073306 (2002)
C.A. Stafford, N.S. Wingreen, Phys. Rev. Lett. 76, 1916 (1996)
M. Wagner, F. Sols, Phys. Rev. Lett. 83, 4377 (1999)
M. Strass, P. Hänggi, S. Kohler, Phys. Rev. Lett. 95, 130601 (2005)
J.H. Shirley, Phys. Rev. 138, B979 (1965)
S. Kohler, T. Dittrich, P. Hänggi, Phys. Rev. E 55, 300 (1997)
M. Grifoni, P. Hänggi, Phys. Rep. 304, 229 (1998)
M. Moskalets, M. Büttiker, Phys. Rev. B 66, 205320 (2002)
J. Lehmann, S. Kohler, P. Hänggi, A. Nitzan, Phys. Rev. Lett. 88, 228305 (2002)
C. Bruder, H. Schoeller, Phys. Rev. Lett. 72, 1076 (1994)
J. Lehmann, S. Kohler, V. May, P. Hänggi, J. Chem. Phys. 121, 2278
U. Kleinekathöfer, G. Li, S. Welack, M. Schreiber, Europhys. Lett. 75, 139 (2006)
Yu.V. Nazarov, Physica B 189, 57 (1993)
S.A. Gurvitz, Ya.S. Prager, Phys. Rev. B 53, 15932 (1996)
P. Brune, C. Bruder, H. Schoeller, Phys. Rev. B 56, 4730 (1997)
J. Lehmann, S. Kohler, P. Hänggi, A. Nitzan, J. Chem. Phys. 118, 3283 (2003)
T. Novotný, Europhys. Lett. 59, 648 (2002)
E.G. Petrov, P. Hänggi, Phys. Rev. Lett. 86, 2862 (2001)
E.G. Petrov, V. May, P. Hänggi, Chem. Phys. 281, 211 (2002)
J. Lehmann, G.-L. Ingold, P. Hänggi, Chem. Phys. 281, 199 (2002)
F.J. Kaiser, M. Strass, S. Kohler, P. Hänggi, Chem. Phys. 322, 193 (2006)
A. Nitzan, Annu. Rev. Phys. Chem. 52, 681 (2001)
F. Grossmann, T. Dittrich, P. Jung, P. Hänggi, Phys. Rev. Lett. 67, 516 (1991)
F. Großmann, P. Jung, T. Dittrich, P. Hänggi, Z. Phys. B 84, 315 (1991)
F. Großmann, P. Hänggi, Europhys. Lett. 18, 571 (1992)
M. Holthaus, Phys. Rev. Lett. 69, 351 (1992)
S. Kohler, S. Camalet, M. Strass, J. Lehmann, G.-L. Ingold, P. Hänggi, Chem. Phys. 296, 243 (2004)
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Kaiser, F., Hänggi, P. & Kohler, S. Coulomb repulsion effects in driven electron transport. Eur. Phys. J. B 54, 201–209 (2006). https://doi.org/10.1140/epjb/e2006-00439-7
Received:
Published:
Issue Date:
DOI: https://doi.org/10.1140/epjb/e2006-00439-7