I applied online. I interviewed at SISSA/ISAS (Trieste) in Mar 2020
Interview
10 minutes talk on your past research followed by textbook problems on Statistical mechanics, Quantum mechanics, and Solid State physics. Hints are provided by the committee if stuck, they value if you can catch the hints and use it to solve the problem at hand.
I applied online. The process took 1 day. I interviewed at SISSA/ISAS (Trieste) in Sept 2020
Interview
Scholarship for Data Science and Scientific Computing Course. The interview was held in italian. Questions about algorithmic design and numerical analysis. Broad questions more meant to see the ability of reasoning.
I applied online. I interviewed at SISSA/ISAS (Trieste) in Apr 2016
Interview
After the titles evaluation there is an oral exam with all the professors from the PhD course where they ask you to solve a problem of Quantum Mechanics. Some other PhD have also a written exam
Interview questions [1]
Question 1
They asked me about my master thesis and they gave me a quantum mechanical problem to solve