Home
For authors
Submission status

Current
Archive
Archive (English)
   Volumes 21-40
   Volumes 1-20
   Volumes 41-62
      Volume 62
      Volume 61
      Volume 60
      Volume 59
      Volume 58
      Volume 57
      Volume 56
      Volume 55
      Volume 54
      Volume 53
      Volume 52
      Volume 51
      Volume 50
      Volume 49
      Volume 48
      Volume 47
      Volume 46
      Volume 45
      Volume 44
      Volume 43
      Volume 42
      Volume 41
Search
VOLUME 48 | ISSUE 4 | PAGE 238
Reflectionless quantum transport and fundamental ballistic-resistance steps in microscopic constrictions
A quantization of the resistance of microscopic constrictions in a two-dimensional electron gas [B. J. van Wees etal, Phys. Rev. Lett. 60,848 (1988); D. A. Wharam etal, J. Phys. 21, L209 (1988) ] arises if the constriction has a sufficiently smooth shape: τι2 yjlR /d > 1, where d and R are the diameter and radius of curvature of the constriction. The shape of the steps is shown to be related to the geometry of the constriction.




Permission given by American Institute of Physics is appreciated.