TY - RPRT TI - Instantaneous difference frequency locking observed during toroidicity-induced Alfvén eigenmode coupling in the DIII-D tokamak AU - Riggs, G. A. [West Virginia Univ., Morgantown, WV (United States)] (ORCID:0000000220610004) AU - Koepke, M. E. [West Virginia Univ., Morgantown, WV (United States)] (ORCID:000000019631356X) AU - Heidbrink, W. W. [Univ. of California, Irvine, CA (United States)] (ORCID:0000000269428043) AU - Van Zeeland, M. A. [General Atomics, San Diego, CA (United States)] (ORCID:0000000279112739) AU - Spong, D. A. [Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)] (ORCID:0000000323701873) PY - 2026 DO - 10.1088/1741-4326/ae424a UR - https://www.osti.gov/biblio/3024132 ID - 3024132 ER -