A quantum phase transition describes a phase change that occurs at zero temperature and involves collective quantum interactions that are thought to be independent of the system’s boundaries. Here, the authors theoretically demonstrate a quantum phase transition in an antiferromagnetic 1D spin chain, which can occur if the chain is constrained to frustrated boundary conditions, and that is driven by changing the subdominant interaction from ferromagnetic to antiferromagnetic.
- Vanja Marić
- Salvatore Marco Giampaolo
- Fabio Franchini
