1. Oak Ridge National Laboratory, Quantum Computing Institute, MS 6015, One Bethel Valley Road, Oak Ridge, Tennessee 37831-6015, United StatesbUniversity of Tennessee, Bredesen Center, Knoxville, Tennessee 37996, United States
2. Oak Ridge National Laboratory, Quantum Computing Institute, MS 6015, One Bethel Valley Road, Oak Ridge, Tennessee 37831-6015, United StatescUniversity of Rhode Island, Kingston, Rhode Island 02881, United States