[lammps-users] NPT fluctuations

I have a question about Temperature and Pressure fluctuations in this ensemble could anybody help with the formula relating the size of the system and the fluctuations in the T or P.

The NPT in LAMMPS is standard Nose/Hoover, and the relevant
papers are cited in the doc page. That's where I'd start.


Actually I tried to read the paper but it appeared to be too technical to me thus I am asking perhaps there are some other sources which are easier to read.

Well, if you just want a feel for it, then try running different
size systems and plotting T and P and observing the fluctuations.