Original version
Physical Review A. Atomic, Molecular, and Optical Physics. 2014, 89 (4):043625, DOI: http://dx.doi.org/10.1103/PhysRevA.89.043625
Abstract
We study the rotational (yrast) spectra of dilute two-component atomic Bose gases in the low angular momentum regime, assuming equal interspecies and intraspecies interaction. Our analysis employs the composite fermion (CF) approach including a pseudospin degree of freedom. While the CF approach is not a priori expected to work well in this angular momentum regime, we show that composite fermion diagonalization gives remarkably accurate approximations to low-energy states in the spectra. For angular momenta 0© 2014 American Physical Society