Dear PWSCF users, I am reading one paper Solid State Communications 149 (2009) 689 In which the author study the high pressure phase of Mg2Si, there he write a sentence
"Both the structural phase transitions are of first-order nature and are reversible." But can anybody give me idea, how theoretically we determine whether the transitions are reversible or not? thanks -- Bipul Rakshit PhD Student, Barkatullah University, Bhopal 462026, MP, India
