[gmx-users] g_rdf

[Sanku M]

Hi,
  I was trying to use g_rdf to calculate radial distribution function g(r) 
between lipid tails and a peptide close to membrane. What I find is that the 
g(r) never goes to 1 at long distance. It is less than 1 at long distance . 
My general question is : Is it always necessary that g(r) between two particles 
should always be expected to  converge to 1 at long distance ? Or,is  it  true 
that it may be quite possible that g(r) can be smaller than 1 even at longer 
separation for two objects  ?

If someone can clarify my confusion, that will be great.

Sanku


      
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