135 citations · 604 across the 28 of their papers we have counts for
28 papers
Crossover and Changeover in Spin-1 Kitaev- Chain with Uniaxial Single-ion Anisotropy
Qiang Luo, Shijie Hu, Wang Yang +4
Recent advances in bond-directional spin chains have revealed extensive emergent phenomena and unconventional criticality. Here we investigate the spin-1 Kitaev- chain with unia…
Many-body wave function and edge magnetization of an open superconducting chain
Jiarui Jiao, Chao Xu, Congjun Wu +1
Although BCS wave functions for superconductors under periodic boundary conditions are well established, obtaining an explicit form of the many-body BCS wave function under open bo…
Gapless and ordered phases in spin-1/2 Kitaev-XX-Gamma chain
Zebin Zhuang, Wang Yang
In this work, we study the spin-1/2 Kitaev chain with additional XX and symmetric off-diagonal Gamma interactions. By a combination of Jordan-Wigner transformation and density matr…
Counter-intuitive yet efficient regimes for measurement based quantum computation on symmetry protected spin chains
Arnab Adhikary, Wang Yang, Robert Raussendorf
Quantum states picked from non-trivial symmetry protected topological (SPT) phases have computational power in measurement based quantum computation. This power is uniform across S…
Measurement-based quantum computation in finite one-dimensional systems: string order implies computational power
Robert Raussendorf, Wang Yang, Arnab Adhikary
We present a new framework for assessing the power of measurement-based quantum computation (MBQC) on short-range entangled symmetric resource states, in spatial dimension one. It…
Nonsymmorphic spin-space cubic groups and SU(2) conformal invariance in one-dimensional spin-1/2 models
Wang Yang, Alberto Nocera, Chao Xu +1
Recently, extended gapless phases with emergent SU(2) conformal invariance occupying finite regions in the phase diagrams have been found in one-dimensional spin-1/2 models wit…
Counter-rotating spiral, zigzag, and 120 orders from coupled-chain analysis of Kitaev-Gamma-Heisenberg model, and relations to honeycomb iridates
Wang Yang, Alberto Nocera, Chao Xu +2
We study the nearest neighboring spin-1/2 Kitaev-Heisenberg-Gamma () model on the honeycomb lattice in the parameter region of ferromagnetic (FM) Kitaev and antiferromagnetic…
Spin Manipulation by Giant Valley-Zeeman Spin-Orbit Field in Atom-Thick WSe2
Xinhe Wang, Wei Yang, Wang Yang +6
The phenomenon originating from spin-orbit coupling (SOC) provides energy-efficient strategies for spin manipulation and device applications. The broken inversion symmetry interfac…
Emergent SU(2) conformal symmetry in the spin-1/2 Kitaev-Gamma chain with a Dzyaloshinskii-Moriya interaction
Wang Yang, Alberto Nocera, Chao Xu +3
We study the one-dimensional spin-1/2 Kitaev-Gamma model with a bond-dependent Dzyaloshinskii-Moriya (DM) interaction, which can be induced by an electric field applied in the thir…
Origin of nonsymmorphic bosonization formulas in generalized antiferromagnetic Kitaev spin- chains from a renormalization-group perspective
Wang Yang, Chao Xu, Alberto Nocera +1
Recently, in the Luttinger liquid phase of the one-dimensional generalized antiferromagnetic Kitaev spin-1/2 model, it has been found that the abelian bosonization formulas of the…
Nonsymmorphic bosonization in one-dimensional generalized Kitaev spin-1/2 models
Wang Yang, Chao Xu, Shenglong Xu +2
In this work, we perform a detailed study on the consequences of nonsymmorphic symmetries in the Luttinger phase of the one-dimensional spin-1/2 Kitaev-Heisenberg-Gamma model with…
Symmetry analysis of bond-alternating Kitaev spin chains and ladders
Wang Yang, Alberto Nocera, Paul Herringer +2
In this work, we analyze the nonsymmorphic symmetry group structures for a variety of generalized Kitaev spin chains and ladders with bond alternations, including Kitaev-Gamma chai…
Superconducting junction with tri-component pairing gap functions
Chao Xu, Wang Yang, Congjun Wu
We study a superconducting hetro-junction with one side characterized by the unconventional chiral -wave gap function and the other side the conventional -wave…
Nonrelativistic axion electrodynamics in superconductors
Chao Xu, Wang Yang
In previous works, axion electrodynamics in three dimensional superconductors is discussed by borrowing the results from superconducting Dirac systems. However, in this work…
A shell model for superfluids in rough-walled nanopores
Wang Yang, Ian Affleck
Recent experiments on the flow of helium-4 fluid through nanopores with tunable pore radius provide a platform for studying the quasi-one-dimensional (quasi-1D) superfluid behavior…
Spin wave theory of one-dimensional generalized Kitaev model
Wang Yang, Alberto Nocera, Ian Affleck
In this work, we perform a combination of classical and spin wave analysis on the one-dimensional spin- Kitaev-Heisenberg-Gamma model in the region of an antiferromagnetic Kitae…
Comprehensive study of the phase diagram of the spin-1/2 Kitaev-Heisenberg-Gamma chain
Wang Yang, Alberto Nocera, Ian Affleck
A central question on Kitaev materials is the effects of additional couplings on the Kitaev model which is proposed to be a candidate for realizing topological quantum computations…
Classical spin order near antiferromagnetic Kitaev point in the spin-1/2 Kitaev-Gamma chain
Wang Yang, Alberto Nocera, Erik S. Sørensen +2
A minimal Kitaev-Gamma model has been recently investigated to understand various Kitaev systems. In the one-dimensional Kitaev-Gamma chain, an emergent SU(2) phase and a rank-…
Phase diagram of the spin-1/2 Kitaev-Gamma chain and emergent SU(2) symmetry
Wang Yang, Alberto Nocera, Tarun Tummuru +2
We study the phase diagram of a one-dimensional version of the Kitaev spin-1/2 model with an extra ``-term", using analytical, density matrix renormalization group and exact dia…
Dispersions of Many-Body Bethe strings
Anup Kumar Bera, Jianda Wu, Wang Yang +9
Complex bound states of magnetic excitations, known as Bethe string, were predicted almost a century ago to exist in one-dimensional quantum magnets 1. The dispersions of the strin…
Quantum Critical Dynamics of a Heisenberg-Ising Chain in a Longitudinal Field: Many-Body Strings versus Fractional Excitations
Zhe Wang, M. Schmidt, A. Loidl +11
We report a high-resolution terahertz spectroscopic study of quantum spin dynamics in the antiferromagnetic Heisenberg-Ising spin-chain compound BaCoVO as a function of…
Single branch of chiral Majorana modes from doubly degenerate Fermi surfaces
Wang Yang, Chao Xu, Congjun Wu
Majorana fermions are often proposed to be realized by first singling out one Fermi surface without spin degeneracy via spin-orbit coupling, and then imposing boundaries or defects…
Majorana surface modes of nodal topological pairings in spin- semi-metals
Wang Yang, Tao Xiang, Congjun Wu
Multi-component electronic systems can appear in solid state systems with active orbital band structures. They exhibit richer structures of topological superconductivity beyond the…
Experimental Observation of Bethe Strings
Zhe Wang, Jianda Wu, Wang Yang +8
Almost one century ago, string states - complex bound states (Wellenkomplexe) of magnetic excitations - have been predicted to exist in one-dimensional quantum magnets and since th…