BibTex format
@article{Barnett:2011:10.1103/PhysRevA.83.023613,
author = {Barnett, R and Hui, HY and Lin, CH and Sau, JD and Sarma, SD},
doi = {10.1103/PhysRevA.83.023613},
journal = {Physical Review A},
title = {Quantum rotor theory of spinor condensates in tight traps},
url = {http://dx.doi.org/10.1103/PhysRevA.83.023613},
volume = {83},
year = {2011}
}