[Pw_forum] what's the difference between 'md' in pw.x and cp.x
Huiqun Zhou
hqzhou at nju.edu.cn
Mon Jun 22 12:38:31 CEST 2009
'md' in PWscf may most likely be BOMD.
Zhou Huiqun
----- Original Message -----
From: vega lew
To: PWSCF Forum
Sent: Monday, June 22, 2009 4:39 PM
Subject: [Pw_forum] what's the difference between 'md' in pw.x and cp.x
Dear all,
I want to perform ab initio molecular dynamics calculation via Q-E. I found both cp.x and pw.x could undertake this calculation.
I wonder what's the difference between 'md' in pw.x and cp.x, and if I could achieve the same final geometry for same systems (the coordinates of atoms, temparature, box dimensions and K-ponits etc. are exactly the same) by this two methods.
Do you think both 'md' calculation in pw.x and 'cp' in cp.x could be regard as the 'Car-Parrinello Molecular Dynamics' calculation and do the almost the same thing as the 'CPMD' codes copyrighted jointly by IBM Corp.
thank you for reading
best,
vega
--
==================================================================================
Vega Lew ( weijia liu)
PH.D Candidate in Chemical Engineering
State Key Laboratory of Materials-oriented Chemical Engineering
College of Chemistry and Chemical Engineering
Nanjing University of Technology, 210009, Nanjing, Jiangsu, China
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Email: vegalew at gmail.com
Office: Room A705, Technical Innovation Building, Xinmofan Road 5#, Nanjing, Jiangsu, China
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