Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Hole population ψ 2 vs. base position for a stationary state formed by interaction with base-spacing distortion only (curve a), environment only (curve b), or both (curve c). [Reproduced with permission from ref. 20 (Copyright 2002, American Physical Society).]
