2 papers
cond-mat.str-el2025
Reduced Basis Method for Driven-Dissipative Quantum Systems
Hans Christiansen, Virgil V. Baran, Jens Paaske
Reduced basis methods provide an efficient way of mapping out phase diagrams of strongly correlated many-body quantum systems. The method relies on using the exact solutions at sel…
astro-ph.CO2024
Cosmological test of an ultraviolet origin of Dark Energy
Hans Christiansen, Bence Takács, Steen H. Hansen
The accelerated expansion of the Universe is impressively well described by a cosmological constant. However, the observed value of the cosmological constant is much smaller than e…