23 citations · 118 across the 10 of their papers we have counts for
10 papers
Efficient variational quantum circuit structure for correlated topological phases
Rong-Yang Sun, Tomonori Shirakawa, Seiji Yunoki
We propose an efficient circuit structure of variational quantum circuit \textit{Ansätze} used for the variational quantum eigensolver (VQE) algorithm in calculating gapped topolog…
Pair density wave characterized by a hidden string order parameter
Hao-Kai Zhang, Rong-Yang Sun, Zheng-Yu Weng
A composite pairing structure of superconducting state is revealed by density matrix renormalization group study in a two-leg - model. The pairing order parameter is composed…
Parametrized quantum circuit for weight-adjustable quantum loop gas
Rong-Yang Sun, Tomonori Shirakawa, Seiji Yunoki
Motivated by the recent success of realizing the topologically ordered ground state of the exactly solvable toric code model by a quantum circuit on the real quantum device [K. J.…
Continuous transition from a Landau quasiparticle to a neutral spinon
Jing-Yu Zhao, Shuai A. Chen, Rong-Yang Sun +1
We examine a wavefunction ansatz in which a doped hole can experience a quantum transition from a charge Landau quasiparticle to a neutral spinon as a function of the underlyi…
Possible chiral spin liquid state in the kagome Heisenberg model
Rong-Yang Sun, Hui-Ke Jin, Hong-Hao Tu +1
The nature of the ground state for the kagome Heisenberg antiferromagnet (KHAF) has been elusive. We revisit this challenging problem and provide numerical evidence that…
Matrix product states for Hartree-Fock-Bogoliubov wave functions
Hui-Ke Jin, Rong-Yang Sun, Yi Zhou +1
We provide an efficient and accurate method for converting Hartree-Fock-Bogoliubov wave functions into matrix product states (MPSs). These wave functions, also known as Bogoliubov…
Unveiling a critical stripy state in the triangular-lattice SU(4) spin-orbital model
Hui-Ke Jin, Rong-Yang Sun, Hong-Hao Tu +1
The simplest spin-orbital model can host a nematic spin-orbital liquid state on the triangular lattice. We provide clear evidence that the ground state of the SU(4) Kugel-Khomskii…
Metal-insulator transition and intermediate phases in the kagome lattice Hubbard model
Rong-Yang Sun, Zheng Zhu
Motivated by the recent discovery of metallic kagome lattice materials, AVSb (A=K, Rb, Cs), we investigate the ground state of the half-filled kagome lattice Hubbard mo…
Complex Phase Diagram of Doped XXZ Ladder: Localization and Pairing
Rong-Yang Sun, Zheng Zhu, Zheng-Yu Weng
How the ground state nature can be dramatically changed by the distinct underlying spin correlation is a central issue of doped Mott insulators. The two-leg XXZ ladder provides a p…
Localization in a - type ladder with translational symmetry
Rong-Yang Sun, Zheng Zhu, Zheng-Yu Weng
An explicit localization of a hole is shown in a two-leg - ladder in the presence of a staggered chemical potential, which still retains a translational sy…