TY - RPRT TI - Particle production by time-varying dark energy and the end of cosmic expansion AU - Patino, Nicolas [Princeton University, NJ (United States)] (ORCID:0000000231559750) AU - Steinhardt, Paul J. [Princeton University, NJ (United States)] (ORCID:0000000334881603) PY - 2026 DO - 10.1088/1475-7516/2026/05/050 UR - https://www.osti.gov/biblio/3623624 ID - 3623624 ER -