Numerical simulation of fractal conductance fluctuations in soft-wall quantum cavities

Physical Review B - Condensed Matter and Materials Physics

Volumn 61, Issue 7, 2000, Pages 4457-4460

  Takagaki, Y ^a   Ploog, K ^a  

^a PAUL DRUDE INSTITUT FÜR FESTKÖRPERELEKTRONIK   (Germany)

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Indexed keywords

EID: 0001364506     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.61.4457     Document Type: Article

References (18)

1. R.P. Taylor, R. Newbury, A.S. Sachrajda, Y. Feng, P.T. Coleridge, C. Dettmann, N. Zhu, H. Guo, A. Delage, P.J. Kelly, and Z. Wasilewski, Phys. Rev. Lett. 78, 1952 (1997).
2. R.P. Taylor, A.P. Micolich, R. Newbury, and T.M. Fromhold, Phys. Rev. B 56, 12 733 (1997).
3. R. Ketzmerick, Phys. Rev. B 54, 10 841 (1996).
4. A.S. Sachrajda, R. Ketzmerick, C. Gould, Y. Feng, P.J. Kelly, A. Delage, and Z. Wasilewski, Phys. Rev. Lett. 80, 1948 (1998).
5. A.P. Micolich, R.P. Taylor, R. Newbury, J.P. Bird, R. Wirtz, C.P. Dettmann, Y. Aoyagi, and T. Sugano, J. Phys.: Condens. Matter 10, 1339 (1998).
6. H. Hegger, B. Hackestein, K. Hecker, M. Janssen, A. Freimuth, G. Reckziegel, and R. Tuzinski, Phys. Rev. Lett. 77, 3885 (1996).
7. R. Akis and D.K. Ferry, Physica B 249-251, 368 (1998).
8. R.A. Jalabert, H.U. Baranger, and A.D. Stone, Phys. Rev. Lett. 65, 2442 (1990).
9. Y.-C. Lai, R. Blümel, E. Ott, and C. Grebogi, Phys. Rev. Lett. 68, 3491 (1992).
10. B.B. Mandelbrot, The Fractal Geometry of Nature (Freeman, San Francisco, 1982).
11. J.P. Bird, D.M. Olatona, R. Newbury, R.P. Taylor, K. Ishibashi, M. Stopa, Y. Aoyagi, T. Sugano, and Y. Ochiai, Phys. Rev. B 52, 14 336 (1995).
12. H.U. Baranger, R.A. Jalabert, and A.D. Stone, Phys. Rev. Lett. 70, 3876 (1993).
13. A.M. Chang, H.U. Baranger, L.N. Pfeiffer, and K.W. West, Phys. Rev. Lett. 73, 2111 (1994).
14. H.U. Baranger, D.P. Di Vincenzo, R.A. Jalabert, and A.D. Stone, Phys. Rev. B 44, 10 637 (1991).
15. Phys. Rev. BT. Ando, 44, 8017 (1991).
16. T. Yamada and D.K. Ferry, Phys. Rev. B 47, 1444 (1993).
17. In calculating curve c, the barrier collimation effect [C.W.J. Beenakker and H. van Houten, Phys. Rev. B 39, 10 445 (1989).
18. Phys. Rev. BY. Takagaki and D.K. Ferry, 45, 13 494 (1992)] is taken into account by gradually increasing the bottom potential in the lead by 0.05t while leaving away from the cavity. As a consequence, the number of occupied modes in the lead is reduced to 2. We find, however, no appreciable difference in the fluctuation characteristics due to the collimation effect.