@article{article9cac660a,
title   = {Energy barriers between metastable states in first-order quantum phase transitions},
author = {Wald, Sascha and Timpanaro, Andre M. and Cormick, Cecilia and Landi, Gabriel Teixeira},
year = {2018},
doi = {10.1103/PhysRevA.97.023608},
journal   = {Physical Review A}
}