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.
particles with 
.
Subfigures (a), (b) and (c) are the snapshots at the 
th, 
th and 
th running steps, and (d) shows the zoomed in crystal-like cluster. All the other settings are the same as Fig. 2.
