[Pw_forum] Details of partial density of states calculation

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[Pw_forum] [100] surface relaxation of Al

Dear all, while learning how QE works, i'm trying to relax ion positions at the [100] surface of FCC Aluminum. Looking at Exercise 4 of day1, QE workshop (2012), i made an input file to relax ion position (starting from ideal) while keeping 2 layers fixed in the "bulk" (asymmetric slab