6 papers
Deconfined criticality between an antiferromagnetic insulator and a nodal d-wave superconductor: a quantum Monte Carlo study
Chuang Chen, Subir Sachdev, Zi Yang Meng
We present a quantum Monte Carlo study of the transition between the insulating Néel state and the nodal -wave superconductor on the square lattice at half-filling. We access a…
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…
Emergent gauge flux in mixed QED with flavor chemical potential: application to magnetized U(1) Dirac spin liquids
Chuang Chen, Urban F. P. Seifert, Kexin Feng +3
We design a lattice model of a "mixed" U(1) gauge field coupled to fermions with a flavor chemical potential and solve it with large-scale determinant quantum Monte Carlo simulatio…
Scalable hybrid quantum Monte Carlo simulation of U(1) gauge field coupled to fermions on GPU
Kexin Feng, Chuang Chen, Zi Yang Meng
We develop a GPU-accelerated hybrid quantum Monte Carlo (QMC) algorithm to solve the fundamental yet difficult problem of gauge field coupled to fermions, which gives rise t…
Self-learning Monte Carlo Method: A Review
Gaopei Pan, Chuang Chen, Zi Yang Meng
The Self-Learning Monte Carlo (SLMC) method is a Monte Carlo approach that has emerged in recent years by integrating concepts from machine learning with conventional Monte Carlo t…
Quasiparticle Spectroscopy of Chiral Charge Order
Jiangchang Zheng, Caiyun Chen, Gaopei Pan +11
Electronic interactions can give rise to novel charge density waves with unconventional ground states. Recent experiments report evidence for a chiral charge density wave (CDW) tha…