Abstract
The linear density response of inhomogeneous electronic systems is discussed from a density-functional point of view. We derive a local density approximation for the frequency-dependent exchange-correlation potential which is compared with the adiabatic expression used in former work.
| Original language | English |
|---|---|
| Pages (from-to) | 2850-2852 |
| Number of pages | 3 |
| Journal | Physical Review Letters |
| Volume | 55 |
| Issue number | 26 |
| DOIs | |
| State | Published - 1985 |
| Externally published | Yes |