Linear and Non-Linear Response in T-Shaped Electron Waveguides

• Authors: M. Bek , B. Bułka , J. Wróbel
• Languages of publication: EN

Abstracts

EN

We present theoretical studies of three-terminal ballistic junction in linear and non-linear regime. Various conductance and voltage dips and peaks are observed and their origin is explained as influence of the bend resistance and the threshold effect.

Keywords

EN

73.23.-b; 73.63.Rt; 85.35.Ds; 85.35.Be

Discipline

• 73.63.Rt: Nanoscale contacts
• 85.35.Be: Quantum well devices (quantum dots, quantum wires, etc.)
• 85.35.Ds: Quantum interference devices
• 73.23.-b: Electronic transport in mesoscopic systems

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2009
• Volume: 116
• Issue: 5
• Pages: 829-831

Dates

published

2009-11

Contributors

author

M. Bek

• Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland

author

B. Bułka

• Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznań, Poland

author

J. Wróbel

• Institute of Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, al. Lotników 32/46, 02-668 Warszawa, Poland

References

• 1. A. Ramamoorthy, J.P. Bird, J.L. Reno, J. Phys., Condens. Matter 19, 276205 (2007); J. Wróbel, private communication
• 2. D. Csontos, H.Q. Xu, Phys. Rev. B 67, 235322 (2003); P.R. Bandaru, C. Daraio, S. Jin, A.M. Rao, Nature Mater. 4, 663 (2005)
• 3. H.U. Baranger, Phys. Rev. B 42, 11479 (1990)
• 4. E.P. Wigner, Phys. Rev. 73, 1002 (1948)
• 5. E.N. Economou, Green's Function in Quantum Physics, 3rd ed., Springer, Berlin 2006
• 6. B.R. Bułka, A. Tagliacozzo, Phys. Rev. B 79, 075436 (2009)
• 7. H.Q. Xu, Appl. Phys. Lett. 78, 2064 (2001)

Identifiers

DOI

10.12693/APhysPolA.116.829