TY - RPRT TI - Loop series expansions for tensor networks AU - Evenbly, Glen [AWS Center for Quantum Computing, Pasadena, CA (United States); California Institute of Technology (CalTech), Pasadena, CA (United States)] (ORCID:0000000270957540) AU - Pancotti, Nicola [AWS Center for Quantum Computing, Pasadena, CA (United States); California Institute of Technology (CalTech), Pasadena, CA (United States)] (ORCID:0000000152230893) AU - Milsted, Ashley [AWS Center for Quantum Computing, Pasadena, CA (United States); California Institute of Technology (CalTech), Pasadena, CA (United States)] (ORCID:0000000214986654) AU - Gray, Johnnie [California Institute of Technology (CalTech), Pasadena, CA (United States)] (ORCID:0000000194613024) AU - Chan, Garnet Kin-Lic [California Institute of Technology (CalTech), Pasadena, CA (United States)] PY - 2026 DO - 10.1103/vqks-cr6x UR - https://www.osti.gov/biblio/3391485 ID - 3391485 ER -