2 papers
cond-mat.quant-gas2025
Many-body density of states of bosonic and fermionic gases: a combinatorial approach
Carolyn Echter, Georg Maier, Juan-Diego Urbina +2
We use a combinatorial approach to obtain exact expressions for the many-body density of states of fermionic and bosonic gases with equally spaced single-particle spectra. We ident…
cond-mat.quant-gas2025
Ensemble-averaged mean-field many-body level density: an indicator of integrable versus chaotic single-particle dynamics
Georg Maier, Carolyn Echter, Juan Diego Urbina +2
According to the quantum chaos paradigm, the nature of a system's classical dynamics, whether integrable or chaotic, is universally reflected in the fluctuations of its quantum spe…