Dear all: Now I am trying to use GRID technique in phonon calculations. Before performing target calculations, I run the example in PHonon/examples/GRID_example/ issuing the command "run_example".
Also, I run the same example without GRID technique by slightly changing the scripts. Consequently, I found the slight difference, for example, in alas.freq file like the following: ... 271c271 < 45.0003 45.0003 112.3695 370.4536 370.4536 408.8005 --- > 45.0108 45.0108 112.3743 370.4534 370.4534 408.8002 ... 303c303 < 67.5727 67.5727 198.2689 364.5470 364.5470 392.9392 --- > 67.5657 67.5657 198.2655 364.5472 364.5472 392.9399 ... Is such slight difference usual in GRID phonon calculations? Sincerely, Jongwon Park Hongik Univ. in Korea
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