5 papers
Precise computation of universal corner entanglement entropy at 2+1 dimension: From Ising to Gaussian quantum critical points
Ben Lee-Yeung Ngai, Justin Tim-Lok Chau, Junchen Rong +3
Computing the subleading logarithmic term in the entanglement entropy (EE) of (2+1)d quantum many-body systems remains a significant challenge, despite its central role in revealin…
A new Ising/tricritical-Ising interface: From symmetry to Rydberg atoms
António Antunes, Junchen Rong
We consider interfaces between critical spin-chains in different universality classes, described in the continuum limit by defect/interface conformal field theory (DCFT/ICFT). We f…
Numerical evidence of a critical point in the (2+1)D SO(5) nonlinear sigma model with Wess-Zumino-Witten term
Yuan Da Liao, Bin-Bin Chen, Fakher F. Assaad +3
We develop an optimized continuous-field quantum Monte Carlo (QMC) algorithm to investigate the projected SO(5) nonlinear sigma model with a Wess-Zumino-Witten term, which describe…
Phase transitions and remnants of fractionalization at finite temperature in the triangular lattice quantum loop model
Xiaoxue Ran, Sylvain Capponi, Junchen Rong +2
The quantum loop and dimer models are archetypal correlated systems with local constraints. With natural foundations in statistical mechanics, they are of direct relevance to vario…
UV complete local field theory of persistent symmetry breaking in 2+1 dimensions
Bilal Hawashin, Junchen Rong, Michael M. Scherer
Spontaneous symmetry breaking can persist at all temperatures in certain biconical vector models when the underlying field theories are ultraviol…