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astro-ph.CO2026
Equilibrium Halo Solutions of the Gross-Pitaevskii-Poisson System: The Role of the Particle Number
Francisco A. Guzmán, Elías Castellanos, Jorge Mastache
We investigate stationary halo-like solutions of the Gross-Pitaevskii-Poisson (GPP) system, which describes self-gravitating Bose-Einstein condensates with repulsive self-interacti…
cond-mat.quant-gas2026
Emergent Quantum Droplets in Logarithmic Klein-Gordon Models of Bose-Einstein Condensates
Kevin Hernández, Elías Castellanos
We study a relativistic scalar field model for self-bound Bose-Einstein condensates (BECs) by analyzing a nonlinear Klein-Gordon equation with cubic and logarithmic interactions. T…