Ab initio electron dynamics: from stopping power to non-linear conductivity of materials
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Ab initio electron dynamics: from stopping power to non-linear conductivity of materials
DIPC Seminars
- Speaker
-
Alfredo A. Correa, Lawrence Livermore National Laboratory
- When
-
2017/07/05
14:00
- Place
- Donostia International Physics Center
- Add to calendar
-
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Real-time Time dependent density
functional theory gives us access to detailed evolution of quantum electronic
system, both in the linear and the non-linear regime.
As the power and scale of TDDFT computer simulations grows, new phenomena can
be captured and studied by this technique.
In this talk, we present a new method and simulation results regarding
materials undergoing particle radiation and its relationship to the optical
response and conductivity.
We obtain that there is a minimum of the DC-electrical conductivity as a
function of current in a disordered metallic system and present a model that
can explain these simulation results.