Dear Experts How to compute Optical properties of the material such as Real and imaginary part of the dielectric function, Reflectivity, Energy loss function, Refractive index, dielectric constant, absorption spectrum by using qe-6.1? Is there any example files in current and previous version? When I am trying with epsilon.x it shows some error related to pseudopotential ie.,"USPP is not implemented". Is there any other option to calculate the optical properties with USPP? I need your guidance in this regards. Thanks in advance.
With warm regards Sudha Priyanka G Assistant Professor, Lady Doak College, Madurai, Tamilnadu, India.
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