147 citations · 507 across the 22 of their papers we have counts for
22 papers
Investigation of the - Heisenberg model on the triangular lattice: A study with projected entangled-pair states
Litao Ma, Wei-Lin Tu, Didier Poilblanc +1
The nature of the quantum spin liquid (QSL) phase in the frustrated - Heisenberg model on the triangular lattice remains an open and actively debated problem. In this wor…
Gauge symmetry of excited states in projected entangled-pair state simulations
Yi Tan, Ji-Yao Chen, Didier Poilblanc +1
While gauge symmetry is a well-established requirement for representing topological orders in projected entangled-pair state (PEPS), its impact on the properties of low-lying excit…
Generating function for projected entangled-pair states
Wei-Lin Tu, Laurens Vanderstraeten, Norbert Schuch +3
Diagrammatic summation is a common bottleneck in modern applications of projected entangled-pair states, especially in computing low-energy excitations of a two-dimensional quantum…
Phase diagram of the chiral SU(3) antiferromagnet on the kagome lattice
Yi Xu, Sylvain Capponi, Ji-Yao Chen +6
Motivated by the search for chiral spin liquids (CSL), we consider a simple model defined on the kagome lattice of interacting SU(3) spins (in the fundamental representation) inclu…
Chiral spin liquids with projected Gaussian fermionic entangled pair states
Sen Niu, Jheng-Wei Li, Ji-Yao Chen +1
We study the parton construction of chiral spin liquids (CSLs) using projected Gaussian fermionic entangled pair states (GfPEPSs). First, we show that GfPEPSs can represent generic…
Entanglement Spectrum as a diagnostic of chirality of Topological Spin Liquids: Analysis of an PEPS
Mark J. Arildsen, Ji-Yao Chen, Norbert Schuch +1
We address the key question of representation of chiral topological quantum states in (2+1) dimensions (i.e., with non-zero chiral central charge) by Projected Entangled Pair State…
Chiral spin liquid in a Kitaev model
Li-Mei Chen, Tyler D. Ellison, Meng Cheng +2
We study a Kitaev model on the honeycomb lattice with nearest neighbor interactions. Based on matrix product state simulations and symmetry considerations, we find e…
Chiral spin liquids on the kagome lattice with projected entangled simplex states
Sen Niu, Juraj Hasik, Ji-Yao Chen +1
The infinite projected entangled simplex state (iPESS), a type of tensor network (TN) state, has been used successfully for simulating and characterizing {\it non-chiral} spin liqu…
Topological fracton quantum phase transitions by tuning exact tensor network states
Guo-Yi Zhu, Ji-Yao Chen, Peng Ye +1
Gapped fracton phases of matter generalize the concept of topological order and broaden our fundamental understanding of entanglement in quantum many-body systems. However, their a…
Abelian SU Chiral Spin Liquids on the Square Lattice
Ji-Yao Chen, Jheng-Wei Li, Pierre Nataf +7
In the physics of the Fractional Quantum Hall (FQH) effect, a zoo of Abelian topological phases can be obtained by varying the magnetic field. Aiming to reach the same phenomenolog…
Generating Function for Tensor Network Diagrammatic Summation
Wei-Lin Tu, Huan-Kuang Wu, Norbert Schuch +2
The understanding of complex quantum many-body systems has been vastly boosted by tensor network (TN) methods. Among others, excitation spectrum and long-range interacting systems…
Robustness of critical U(1) spin liquids and emergent symmetries in tensor networks
Henrik Dreyer, Laurens Vanderstraeten, Ji-Yao Chen +2
We study the response of critical Resonating Valence Bond (RVB) spin liquids to doping with longer-range singlets, and more generally of U(1)-symmetric tensor networks to non-symme…
SU Chiral Spin Liquid on the Square Lattice: a View from Symmetric PEPS
Ji-Yao Chen, Sylvain Capponi, Alexander Wietek +3
Quantum spin liquids can be faithfully represented and efficiently characterized within the framework of Projected Entangled Pair States (PEPS). Guided by extensive exact diagonali…
Non-Abelian chiral spin liquid in a quantum antiferromagnet revealed by an iPEPS study
Ji-Yao Chen, Laurens Vanderstraeten, Sylvain Capponi +1
Abelian and non-Abelian topological phases exhibiting protected chiral edge modes are ubiquitous in the realm of the Fractional Quantum Hall (FQH) effect. Here, we investigate a sp…
SU(3) trimer resonating-valence-bond state on the square lattice
Xiao-Yu Dong, Ji-Yao Chen, Hong-Hao Tu
We propose and study an SU(3) trimer resonating-valence-bond (tRVB) state with point-group symmetry on the square lattice. By devising a projected entangled-pair state rep…
Discrete lattice symmetry breaking in a two-dimensional frustrated spin-1 Heisenberg model
Ji-Yao Chen, Sylvain Capponi, Didier Poilblanc
Spontaneous discrete symmetry breaking can be described in the framework of Projected Entangled Pair States (PEPS) by linearly superposing local tensors belonging to two (or more)…
Topological Resonating-Valence-Bond Spin Liquid on the Square Lattice
Ji-Yao Chen, Didier Poilblanc
A one-parameter family of long-range resonating valence bond (RVB) state on the square lattice was previously proposed to describe a critical spin liquid (SL) phase of the spin-$1/…
Gapped spin liquid with -topological order for kagome Heisenberg model
Jia-Wei Mei, Ji-Yao Chen, Huan He +1
We apply symmetric tensor network state (TNS) to study the nearest neighbor spin-1/2 antiferromagnetic Heisenberg model on Kagome lattice. Our method keeps track of the global and…
Physical origins of ruled surfaces on the reduced density matrices geometry
Ji-Yao Chen, Zhengfeng Ji, Zheng-Xin Liu +4
The reduced density matrices (RDMs) of many-body quantum states form a convex set. The boundary of low dimensional projections of this convex set may exhibit nontrivial geometry su…
Dichotomy of entanglement depth for symmetric states
Ji-Yao Chen, Zhengfeng Ji, Nengkun Yu +1
Entanglement depth characterizes the minimal number of particles in a system that are mutually entangled. For symmetric states, we show that there is a dichotomy for entanglement d…
Geometry of reduced density matrices for symmetry-protected topological phases
Ji-Yao Chen, Zhengfeng Ji, Zheng-Xin Liu +2
In this paper, we study the geometry of reduced density matrices for states with symmetry-protected topological (SPT) order. We observe ruled surface structures on the boundary of…
Symmetry protected topological phases in spin-1 ladders and their phase transitions
Ji-Yao Chen, Zheng-Xin Liu
We study two-legged spin-1 ladder systems with symmetry group, where is discrete spin rotational symmetry and means interchain reflection symmetry. The syst…