T. Schneider, R. Brout, et al.
Physical Review Letters
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.
T. Schneider, R. Brout, et al.
Physical Review Letters
E. Pytte
Physical Review B
J. Feder, E. Pytte
Physical Review
E. Pytte
Physical Review B