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math-ph2024★ 4 cited
Density-functional theory for the Dicke Hamiltonian
Vebjørn H. Bakkestuen, Mihály A. Csirik, Andre Laestadius +1
A detailed analysis of density-functional theory for quantum-electrodynamical model systems is provided. In particular, the quantum Rabi model, the Dicke model, and a generalizatio…
math-ph2024
Thermodynamic limit for the magnetic uniform electron gas and representability of density-current pairs
Mihály A. Csirik, Andre Laestadius, Erik I. Tellgren
Although the concept of the uniform electron gas is essential to quantum physics, it has only been defined recently in a rigorous manner by Lewin, Lieb and Seiringer. We extend the…