A "quantum dot" embedded in an Aharonov-Bohm interferometer,
J. Koenig and Y. Gefen, cond-mat/0107450.

 Research Highlights:

Theoretical Aspects of Nanophysics:

• Effects of Spin and Electronic Interactions in Small Devices
• Effects of Disorder in Mesoscopic Systems
• Quantum Hall Effect in Restricted Geometries

 Collaborators:

• Prof. Boris Altshuler, Princeton University
• Prof. Boris Spivak, University of Seattle
• Prof. Igor Lerner, Birmingham University
• Prof. Yoram Alhassid, Yale University
• Prof. Gerd Schoen, University of Karlsruhe
• Prof. Richard Bekovits, Bar-Ilan University
• Prof. Yigal Meir, Ben-Gurion University
• Prof. Natan Andrei, Rutgers University

 Students:

• Dmitry Gutman (Ph.D.) Non-Equilibrium Noise in Disordered Electronic Systems
• Arcady Shechter (Ph. D.) Spin and Charge Instabilities in Disordered Interacting Systems
  Post-Docs
  
• Robert Whitney
• Dmitry Feldman

 Selected Publications:

1. Y. Gefen, B.B. Mandelbrot and A. Aharony, Critical Phenomena on Fractal Lattices, Phys. Rev. Lett. 45, 855 (1980).

2. Y. Imry, Y. Gefen and D. J. Bergman, Dielectric Anomalies Near The Anderson Metal-Insulator Transition, Phys. Rev. B 26, 3436 (1982).

3. Y. Gefen, A. Aharony and S. Alexander, Anomalous Diffusion on Percolation Clusters, Phys. Rev. Lett. 50, 77 (1983).

4. Y. Gefen, Y. Imry and M. Ya. Azbel, Quantum Oscillations and The Aharonov-Bohm Effect for Parallel Resistors, Phys. Rev. Lett. 52, 129 (1984).

5. E. Ben-Jacob and Y. Gefen, New Quantum Oscillations in Current Driven Small Junctions, Phys. Lett. 108A, 289 (1985).

6. M. Murat, Y. Gefen and Y. Imry, Ensemble and Temperature Averaging of Quantum Oscillations in Normal Metal Rings, Phys. Rev. B 34, 659 (1986).

7. Y. Gefen and D. J. Thouless, Zener Transisions and Energy Dissipation in Small Driven Systems, Phys. Rev. Lett. 59 ,1752 (1987).

8. H.-F. Cheung, Y. Gefen, E.K. Riedel and W.-H. Shih, Persistent CUrrents in Small One-Dimensional Metal Rings, Phys. Rev. B 37, 6050 (1988).

9. H. -F. Cheung, E. K. Riedel and Y. Gefen, Persistent Currents in Mesoscopic Rings and Cylinders, Phys. Rev. Lett. 62, 587 (1989).

10. Y. Meir, Y. Gefen and O. Entin-Wohlman, Universal Effects of Spin-Orbit Scattering in Mesoscopic Systems, Phys. Rev. Lett. 63,798 (1989).

11. Y. Gefen and O. Entin-Wohlman, Noise Spectrum and The Fluctuations-Dissipation Theorem in Mesoscopic Rings, Annals of Physics 206,68 (1991).

12. E. Shimshoni and Y. Gefen, Onset of Dissipation in Zener Dynamics: Relaxation Vs. Dephasing, Annals of Physics 210,16 (1991).

13. B.L. Altshuler, Y. Gefen and Y. Imry, Persistent Differences between Canonical and Grand Canonical Averages in Mesoscopic Systems, Phys. Rev. Lett. 66, 88 (1991).

14. D.J. Thouless and Y. Gefen, Fractional Quantum Hall Effect and Multiple Aharonov-Bohm Periods, Phys. Rev. Lett. 66, 806 (1991).

15. A. Altland and Y. Gefen, Spectral Statistics for Non-Diffusive Regions, Phys. Rev. Lett. 71, 3339 (1993).

16. A. Kamenev and Y. Gefen, (Almost) Everything You Always Wanted to Know about the Conductance of Mesoscopic Systems, Int. J. Mod. Phys. B 9,751 (1995).

17. A. Kamenev and Y. Gefen, Zer-Bias Anomaly in Finite Size Systems, Phys. Rev. B 54, 5428 (1996).

18. B.L. Altshuler, Y. Gefen, A. Kamenev and L.S. Levitov, Quasiparticle Lifetime in A Finite System: A Non-Perturbative Approach, Phys. Rev. Lett. 78, 2803 (1997).

19. R. Baltin and Y. Gefen, An Approximate Sign Sum-Rule for The transmission Amplitude through A Quantum Dot, Phys. Rev. Lett. 83, 5094 (1999).

20. J. Koenig and Y. Gefen, Coherence and Partial Coherence in Interacting Electron Systems, Phys. Rev. Lett. 86, 3855 (2001).

21. Y. Alhassid and Y. Gefen, Spectral Scrambling in Coulomb-Blockade Quantum Dots, cond-mat/0101461

22. Y. Gefen, R. Berkovits, I. V. Lerner and B. L. Altshuler, Anderson Orthogonality Catastrophe in Disordered Systems, cond-mat/0106556

23. R.S. Whitney and Y. Gefen, Does Berry Phase Exist for A System Coupled to Its Environment?, cond-mat/0107359

  Link to Yuval Gefen's Home Page