292 citations · 527 across the 27 of their papers we have counts for
27 papers
Topological superconductivity with large Chern numbers in a ferromagnetic metal-superconductor heterostructure
Yingwen Zhang, Dao-Xin Yao, Zhi Wang
The ferromagnetic metal-superconductor heterostructure with interface Rashba spin-orbit hopping is a promising candidate for topological superconductivity. We study the interplay b…
Topological Superconducting States and Quasiparticle Transport on Kagome Lattice
Zi-Qian Zhou, Weimin Wang, Zhi Wang +1
The pairing symmetry of superconducting states is a critical topic in the realm of topological superconductivity. However, the pairing symmetry of the family, w…
Higgs-Leggett mechanism for the elusive 6e superconductivity observed in Kagome vanadium-based superconductors
Ling-Feng Zhang, Zhi Wang, Xiao Hu
A recent Little-Parks experiment on Kagome-structured superconductor CsV_3Sb_5 demonstrated remarkable resistance oscillations with period \phi0/3=hc/6e. Here, we perform analysis…
Transport theory for topological Josephson junctions with a Majorana qubit
Zhi Wang, Jia-Jin Feng, Zhao Huang +1
We construct a semiclassical theory for the transport of topological junctions starting from a microscopic Hamiltonian that comprehensively includes the interplay among the Majoran…
Parity flipping mediated by a quantum dot in Majorana Josephson junctions
Shanbo Chow, Zhi Wang, Dao-Xin Yao
The detection of the Majorana bound states (MBSs) is a central issue in the current investigation of the topological superconductors, and the topological Josephson junction is an i…
Density Functional description of spin, lattice, and spin-lattice dynamics in antiferromagnetic and paramagnetic phases at finite temperatures
Davide Gambino, Oleksandr I. Malyi, Zhi Wang +2
Describing the (a) electronic and magnetic properties (EMP) of antiferromagnetic or paramagnetic phases of compounds generally requires the knowledge of (b) the spin configurations…
Josephson radiation patterns in underdamped topological Josephson junctions
Yuejian Zhang, Xiping Yang, Jia-Jin Feng +2
Josephson radiation is a useful signature for detecting Majorana zero modes in topological superconductors. We study the Josephson radiation of the underdamped topological Josephso…
Berry curvature effects on quasiparticle dynamics in superconductors
Zhi Wang, Liang Dong, Cong Xiao +1
We construct a theory for the semiclassical dynamics of superconducting quasiparticles by following their wave-packet motion and reveal rich contents of Berry curvature effects in…
Josephson radiation from nonlinear dynamics of Majorana zero modes
Jia-Jin Feng, Zhao Huang, Zhi Wang +1
Josephson radiation is a powerful method to probe Majorana zero modes in topological superconductors. Recently, Josephson radiation with half the Josephson frequency has been exper…
Hysteresis from nonlinear dynamics of Majorana modes in topological Josephson junctions
Jia-Jin Feng, Zhao Huang, Zhi Wang +1
We reveal that topological Josephson junctions provide a natural platform for the interplay between the Josephson effect and the Landau-Zener effect through a two-level system form…
Critical Current Anomaly at the Topological Quantum Phase Transition in a Majorana Josephson Junction
Hong Huang, Qi-Feng Liang, Dao-Xin Yao +1
Majorana bound states in topological Josephson junctions induce a 4? period current-phase relation. Direct detection of the 4? periodicity is complicated by the quasiparticle poiso…
Majorana phi0 Junction in a Disordered Spin-orbit Coupling Nanowire with Tilted Magnetic Field
Hong Huang, Qifeng Liang, Daoxin Yao +1
Majorana Josephson junctions in nanowire systems exhibit a pseudo- period current-phase relation in the clean limit. In this work, we study how this current-phase relation resp…
Landau-Zener-Stückelberg Interferometry for Majorana Qubit
Zhi Wang, Wen-Chao Huang, Qi-Feng Liang +1
Stimulated by a very recent experiment observing successfully two superconducting states with even- and odd-number of electrons in a nanowire topological superconductor as expected…
Node-Surface and Node-Line Fermions From Nonsymmorphic Lattice Symmetries
Qi-Feng Liang, Jian Zhou, Rui Yu +2
We propose a kind of novel topological quantum state of semimetals in a quasi-one-dimensional (1D) crystals BaMX (M = V, Nb or Ta; X = S or Se) family by using symmetry analysi…
Manipulating the Majorana Qubit with the Landau-Zener-Stückelberg Interference
Wen-Chao Huang, Qi-Feng Liang, Dao-Xin Yao +1
Constructing a universal operation scheme for Majorana qubits remains a central issue for the topological quantum computation. We study the Landau-Zener-Stückelberg interference in…
Proposal for a flux qubit in a dc SQUID with the period Josephson effect
Wen-Chao Huang, Qi-Feng Liang, Dao-Xin Yao +1
Constructing qubits which are suitable for quantum computation remains a notable challenge. Here, we propose a superconducting flux qubit in a dc SQUID structure, formed by a conve…
Fidelity Approach in Topological Superconductors with Disorders
Wen-Chuan Tian, Guang-Yao Huang, Zhi Wang +1
We apply the fidelity approach to study the topological superconductivity in a spin-orbit coupled nanowire system. The wire is modeled as a one layer lattice chain with Zeeman ener…
Viewing Majorana Bound States by Rabi Oscillations
Zhi Wang, Qi-Feng Liang, Dao-Xin Yao +1
Rabi oscillation is a pure quantum phenomenon where the system jumps forth and back between two quantum levels under stimulation of a microwave, and a resonance occurs when the ene…
Fidelity in topological superconductors with end Majorana fermions
Zhi Wang, Qi-Feng Liang, Dao-Xin Yao
Fidelity and fidelity susceptibility are introduced to investigate the topological superconductors with end Majorana fermions. A general formalism is established to calculate the f…
Proposal for Manipulation of Majorana Fermions in Nano-Patterned Semiconductor-Superconductor Heterostructure
Long-Hua Wu, Qi-Feng Liang, Zhi Wang +1
We investigate a heterostructure system with a spin-orbit coupled semiconductor sandwiched by an s-wave superconductor and a ferromagnetic insulator, which supports Majorana fermio…
Topological Single Electron Pumping Assisted by Majorana Fermions
Qi-Feng Liang, Zhi Wang, Xiao Hu
Single electron pumping based on the topological property of Majorana fermions (MFs) is proposed. The setup consists of a quantum dot and four nano topological superconductors (TSs…
Ratchet potential and rectification effect in Majorana fermion SQUID
Zhi Wang, Qi-Feng Liang, Xiao Hu
Motivated by a recent experimental progress in realizing Majorana fermions (MFs) in a heterostructure of a spin-orbit coupling nanowire and superconductor (V. Mourik et al., Scienc…
Manipulating Edge Majorana Fermions in Vortex State
Qi-Feng Liang, Zhi Wang, Xiao Hu
A vortex in a model spinless px+ipy superconductor induces two Majorana fermions (MFs), one in the core and the other at the sample edge. In the present work, we show that edge MF…
Detecting Majorana fermions by nonlocal entanglement between quantum dots
Zhi Wang, Xiao Hu
Nonlocal entanglement between two quantum dots can be generated through Majorana fermions. The two Majorana fermions at the ends of an one-dimensional topological superconductor fo…