@article{259761, author = {Emanuel Knill and James van}, title = {Approximate exchange-only entangling gates for the three-spin-1/2 decoherence-free subsystem}, year = {2019}, number = {99}, month = {2019-04-23}, publisher = {Physical Review A}, doi = {https://doi.org/10.1103/PhysRevA.99.042331}, language = {en}, }