Batool Imtiaz (Department of Astronomy, School of Physical Sciences, University of Science and Technology of China, Hefei, Anhui, 230026, China, School of Astronomy and Space Science, University of Science and Technology of China, Hefei, Anhui, 230026, China, CAS Key Laboratory for Research in Galaxies and Cosmology, University of Science and Technology of China, Hefei, Anhui, 230026, China); Youping Wan (Department of Astronomy, School of Physical Sciences, University of Science and Technology of China, Hefei, Anhui, 230026, China, School of Astronomy and Space Science, University of Science and Technology of China, Hefei, Anhui, 230026, China, CAS Key Laboratory for Research in Galaxies and Cosmology, University of Science and Technology of China, Hefei, Anhui, 230026, China); Yi-Fu Cai (Department of Astronomy, School of Physical Sciences, University of Science and Technology of China, Hefei, Anhui, 230026, China, School of Astronomy and Space Science, University of Science and Technology of China, Hefei, Anhui, 230026, China, CAS Key Laboratory for Research in Galaxies and Cosmology, University of Science and Technology of China, Hefei, Anhui, 230026, China)
Two-field cosmological phase transitions and gravitational waves in the singlet Majoron model