BEC in a star-comb graph
F. P. Mancini, P. Sodano, A. Trombettoni
TL;DR
This paper studies Bose-Einstein condensation of free bosons on a star-comb network, revealing an increased critical temperature and analyzing the condensate properties and spatial distribution.
Contribution
It introduces the analysis of BEC in a star-comb network, highlighting the impact of network topology on critical temperature and condensate behavior.
Findings
Critical temperature is higher compared to other inhomogeneous networks.
The spatial distribution of bosons in the condensate is characterized.
The single-particle spectrum is analyzed in detail.
Abstract
We investigate the properties of free bosons hopping on a star-comb network, discussing the single-particle spectrum and the main thermodynamic equilibrium properties: Bose-Einstein critical temperature, fraction of condensate, and spatial boson distribution. We find an enhancement of the critical temperature with respect to other inhomogeneous networks.
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