Dear Experts/Users I am trying to find the mobility of 3D cubic CH3NH3PbI3 through deformation potential theory using qe. For mobility calculation, one has to find the deformation potential. Can someone please elaborate on how to find the deformation potential of this cubic material? Deformation potential has a "change in energy " term in the theoretical formulae: *deformation potential = change in energy / (change in length/ original length)*. It would be a great help if someone could help or suggest something in order to solve this issue. Thanks in advance Best Regards Sandeep
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