About Result

[imskse]

Principle effective masses and directions: Effective mass (0): -0.369 Original eigenvectors: -0.23291 -0.45393 0.86006 Normal fractional coordinates: -0.88703 -0.64622 1.00000

Effective mass (1): -0.236 Original eigenvectors: -0.70410 0.68874 0.17284 Normal fractional coordinates: 1.00000 -0.36565 -0.07494

Effective mass (2): 0.230 Original eigenvectors: 0.67082 0.56532 0.48002 Normal fractional coordinates: 1.00000 0.31501 0.21846

What are effective mass (0) (1) and (2)?

[afonari]

See https://github.com/afonari/emc/blob/master/Paper-03-18-2013.pdf