TY - RPRT TI - Gravitational waves from first-order phase transition in a simple axion-like particle model AU - Dev, P. S. Bhupal AU - Ferrer, Francesc AU - Zhang, Yiyang AU - Zhang, Yongchao PY - 2019 DO - 10.1088/1475-7516/2019/11/006 UR - https://www.osti.gov/biblio/1803208 ID - 1803208 ER -