Quantum phase transitions between bosonic symmetry-protected topological states without sign problem: Nonlinear sigma model with a topological term

Chemical Compounds

• Sigma Model 100%
• Fermion 82%
• Conformal Field Theory 73%
• Field Theory 23%
• Disordered Structure 21%
• Energy 16%

Engineering & Materials Science

• Phase transitions 54%
• Fermions 27%
• Monte Carlo methods 5%
• Tuning 4%

Physics & Astronomy

• symmetry 30%
• fermions 12%
• subgroups 6%
• determinants 5%
• Monte Carlo method 4%
• degrees of freedom 4%
• interactions 4%
• tuning 3%
• energy 3%