[2] A year later she was appointed assistant professor at Tufts University in the United States where she worked on cosmic strings.
[6][7][8] Her research there showed that the presence of global symmetries in gauge theory can result in stringlike defects.
[2] She was awarded a National Science Foundation ADVANCE lectureship at Case Western Reserve University in 2004.
[10] Achúcarro leads the theoretical cosmology group at the University of Leiden, working on astroparticle physics and quantum field theory.
[15] She was part of the European Cooperation in Science and Technology (COST) public directive on the string theory universe.