@article{article2744ddab, title = {Exactly conserved quasilocal operators for the XXZ spin chain}, author = {Pereira, Rodrigo Gonçalves and Pasquier, V. and Sirker, J. and Affleck, I.}, year = {2014}, doi = {10.1088/1742-5468/2014/09/P09037}, journal = {Journal of Statistical Mechanics} }