Abstract
The static dielectric response of degenerate plasmas exhibits hitherto unrecognized zeros at complex wave vectors below a certain threshold value of the density. This leads to damped oscillations in a length scale that is smaller than the average separation between particles. A WKB-type treatment of the screening shows that the low-density oscillations reflect remnants of quantum behavior in the classical limit.
| Original language | American English |
|---|---|
| Pages (from-to) | 10856-10858 |
| Journal | Physical Review B (Condensed Matter and Materials Physics) |
| Volume | 41 |
| Issue number | 15 |
| State | Published - 1990 |
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