S. Methfessel, S. Middelhoek, et al.
Journal of Applied Physics
We show that near the Gunn instability in semiconductors the plasma frequency is purely imaginary and goes to zero at the critical field. © 1968 The American Physical Society.
S. Methfessel, S. Middelhoek, et al.
Journal of Applied Physics
E. Pytte
Physical Review B
M. Büttiker, H. Thomas, et al.
Zeitschrift für Physik B Condensed Matter
M. Büttiker, H. Thomas
Physical Review A