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[ESPResSo-users] Restricting interactions to nearest neighbors

From: Memet, Edvin
Subject: [ESPResSo-users] Restricting interactions to nearest neighbors
Date: Wed, 19 Sep 2018 05:00:44 +0000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0

Dear all,

Could anyone point me in the right direction for how to restrict, say, a 
LJ interaction to act only between nearest neighbors? I've seen there is 
an 'exclusion' feature, which allows you to specify a neighborhood in 
which the interaction doesn't occur, but I see no analogous feature for 
what I'm looking for. [By the way, I'm (still) using tcl-Espresso ...]

I've also noticed there is a nbhood routine which returns a list of 
particles inside a certain radius, but unfortunately it does not return 
an ordered list (sorted by distance). So perhaps, possible helpful 
answers could indicate how to modify the nbhood routing to return an 
ordered list, or other ways to access the nearest neighbor in the source 


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