Making ab initio QED functional(s): Nonperturbative and photon-free effective frameworks for strong light–matter coupling

Strong light–matter coupling provides a promising path for the control of quantum matter where the latter is routinely described from first principles. However, combining the quantized nature of light with this ab initio tool set is challenging and merely developing as the coupled light–matter Hilbe...

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Bibliographic Details
Published in:Proceedings of the National Academy of Sciences - PNAS 2021-10, Vol.118 (41), p.1-12, Article e2110464118
Main Authors: Schäfer, Christian, Buchholz, Florian, Penz, Markus, Ruggenthaler, Michael, Rubio, Angel
Format: Article
Language:English
Subjects:
Approximation
cavity quantum
Computer applications
Coupling
Density functional theory
electrodynamics
First principles
Hilbert space
photon-free QED
Photons
Physical Sciences
Physics
QEDFT functionals
Quantum electrodynamics
Quantum mechanics
quantum-electrodynamical density-functional theory (QEDFT)
strong light-matter coupling
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