192 citations · 1.3k across the 24 of their papers we have counts for
24 papers
Superconductivity enhancement and particle-hole asymmetry: interplay with electron attraction in doped Hubbard model
Zhi Xu, Hong-Chen Jiang, Yi-Fan Jiang
The role of near-neighbor electron attraction in strongly correlated systems has been at the forefront of recent research of unconventional superconductivity. However, its impl…
Pair-density-wave superconductivity: a microscopic model on 2D honeycomb lattice
Yi-Fan Jiang, Hong Yao
Pair-density-wave (PDW) is a long-sought exotic state with oscillating superconducting order without external magnetic field. So far it has been rare in establishing a 2D microscop…
Ground state phase diagram and superconductivity of the doped Hubbard model on six-leg square cylinders
Yi-Fan Jiang, Thomas P. Devereaux, Hong-Chen Jiang
We have studied the ground state properties of Hubbard model on long six-leg square cylinders with doped hole concentration per site using density-matrix…
Focusing bounds for CFT correlators and the S-matrix
Thomas Hartman, Yikun Jiang, Francesco Sgarlata +1
The focusing theorem in General Relativity underlies causality, singularity theorems, entropy inequalities, and more. In AdS/CFT, we show that focusing in the bulk leads to a bound…
Spectral properties of 1D extended Hubbard model from bosonization and time-dependent variational principle: applications to 1D cuprate
Hao-Xin Wang, Yi-Ming Wu, Yi-Fan Jiang +1
Recent ARPES experiments on doped 1D cuprates revealed the importance of effective near-neighbor (NN) attractions in explaining certain features in spectral functions. Here we inve…
Robust d-wave superconductivity from the Su-Schrieffer-Heeger-Hubbard model: possible route to high-temperature superconductivity
Hao-Xin Wang, Yi-Fan Jiang, Hong Yao
Increasing numerical studies showed that the simplest Hubbard model on the square lattice with strong repulsion may not exhibit high-temperature superconductivity (SC). It is desir…
Nature of quantum spin liquids of the S=1/2 Heisenberg antiferromagnet on the triangular lattice: A parallel DMRG study
Yi-Fan Jiang, Hong-Chen Jiang
We study the ground-state properties of the quantum spin liquid (QSL) phases of the spin- antiferromagnetic Heisenberg model on the triangular lattice with nearest- (), n…
Doping quantum spin liquids on the Kagome lattice
Cheng Peng, Yi-Fan Jiang, Dong-Ning Sheng +1
We review recent density-matrix renormalization group (DMRG) studies of lightly doped quantum spin liquids (QSLs) on the kagome lattice. While a number of distinct conducting phase…
Gapless spin liquid and pair density wave of the Hubbard model on three-leg triangular cylinders
Cheng Peng, Yi-Fan Jiang, Yao Wang +1
We study the ground state properties of the Hubbard model on three-leg triangular cylinders using large-scale density-matrix renormalization group simulations. At half-filling, we…
Evidence of pair-density wave in doping Kitaev spin liquid on the honeycomb lattice
Cheng Peng, Yi-Fan Jiang, Thomas P. Devereaux +1
We study the effects of doping the Kitaev model on the honeycomb lattice where the spins interact via the bond-directional interaction , which is known to have a quantum spin…
Hubbard ladders at small revisited
Yuval Gannot, Yi-Fan Jiang, Steven A. Kivelson
We re-examine the zero temperature phase diagram of the two-leg Hubbard ladder in the small limit, both analytically and using density-matrix renormalization group (DMRG). We f…
Topological superconductivity in the doped chiral spin liquid on the triangular lattice
Yi-Fan Jiang, Hong-Chen Jiang
It has long been proposed that doping a chiral spin liquid (CSL) or fractional quantum Hall state can give rise to topological superconductivity. Despite of intensive effort, defin…
Possible superconductivity with Bogoliubov Fermi surface in lightly doped Kagome U(1) spin liquid
Yi-Fan Jiang, Hong Yao, Fan Yang
Whether the doped t-J model on the Kagome lattice supports exotic superconductivity has not been decisively answered. In this paper, we propose a new class of variational states fo…
Ground state phase diagram of the doped Hubbard model on the 4-leg cylinder
Yi-Fan Jiang, Jan Zaanen, Thomas P. Devereaux +1
We study the ground state properties of the Hubbard model on a 4-leg cylinder with doped hole concentration per site using density-matrix renormalization group. By k…
Materializing Rival Ground States in the Barlowite Family of Kagome Magnets: Quantum Spin Liquid, Spin Ordered, and Valence Bond Crystal States
Rebecca W. Smaha, Wei He, Jack Mingde Jiang +13
The spin- kagome antiferromagnet is considered an ideal host for a quantum spin liquid ground state. We find that when the bonds of the kagome lattice are modulated wi…
Field-induced quantum spin liquid in the Kitaev-Heisenberg model and its relation to -RuCl
Yi-Fan Jiang, Thomas P. Devereaux, Hong-Chen Jiang
Recently considerable excitement has arisen due to the experimental observation of a field-induced spin liquid phase in the compound -RuCl. However, the nature of this putat…
Edge quantum criticality and emergent supersymmetry in topological phases
Zi-Xiang Li, Yi-Fan Jiang, Hong Yao
Proposed as a fundamental symmetry describing our universe, spacetime supersymmetry (SUSY) has not been discovered yet in nature. Nonetheless, it has been predicted that SUSY may e…
Fractional charge and emergent mass hierarchy in diagonal two-leg t-J cylinders
Yi-Fan Jiang, Hong-Chen Jiang, Hong Yao +1
We define a new class of "diagonal" t-J ladders rotated by /4 relative to the canonical lattice directions of the square lattice, and study it using density matrix renormalizati…
Charge-4e superconductors: a Majorana quantum Monte Carlo study
Yi-Fan Jiang, Zi-Xiang Li, Steven A. Kivelson +1
Many features of charge-4e superconductors remain unknown because even the "mean-field Hamiltonian" describing them is an interacting model. Here we introduce an interacting model…
Majorana-time-reversal symmetries: a fundamental principle for sign-problem-free quantum Monte Carlo simulations
Zi-Xiang Li, Yi-Fan Jiang, Hong Yao
A fundamental open issue in physics is whether and how the fermion sign problem in quantum Monte Carlo (QMC) simulations can be solved generically. Here, we show that Majorana-time…
Fermion-induced quantum critical points
Zi-Xiang Li, Yi-Fan Jiang, Shao-Kai Jian +1
A unified theory of quantum critical points beyond the conventional Landau-Ginzburg-Wilson paradigm remains unknown. According to Landau cubic criterion, phase transitions should b…
Fermion-sign-free Majarana-quantum-Monte-Carlo studies of quantum critical phenomena of Dirac fermions in two dimensions
Zi-Xiang Li, Yi-Fan Jiang, Hong Yao
Quantum critical phenomena may be qualitatively different when massless Dirac fermions are present at criticality. Using our recently-discovered fermion-sign-free Majorana quantum…
Solving fermion sign problem in quantum Monte Carlo by Majorana representation
Zi-Xiang Li, Yi-Fan Jiang, Hong Yao
In this paper, we discover a new quantum Monte Carlo (QMC) method to solve the fermion sign problem in interacting fermion models by employing Majorana representation of complex fe…
Emergent space-time supersymmetry in 3D Weyl and 2D Dirac semimetals
Shao-Kai Jian, Yi-Fan Jiang, Hong Yao
Supersymmetry (SUSY) interchanges bosons and fermions but no direct evidences of it have been revealed in nature yet. In this letter, we observe that fluctuating pair density waves…