Self-doped Mott insulator for parent compounds of nickelate superconductors
- Guang-ming Zhang, Yi-feng Yang, Fu-Chun Zhang
- Physics, Materials SciencePhysical review B
- 26 September 2019
Motivated by analyses of the reported electrical resistivity and Hall coefficient data in the normal state, the authors propose that the parent compound of the newly discovered superconducting…
Impurity effect on weak antilocalization in the topological insulator Bi2Te3.
- Hongtao He, Gan Wang, Fu-Chun Zhang
- PhysicsPhysical Review Letters
- 1 August 2010
The data demonstrate that the observed WAL is robust against deposition of nonmagnetic Au impurities on the surface of the thin films, but it is quenched by the deposition of magnetic Fe impurities which destroy the π Berry phase of the topological surface states.
Iron-based high transition temperature superconductors
- Xianhui Chen, P. Dai, D. Feng, T. Xiang, Fu-Chun Zhang
- Physics
- 7 March 2014
In a superconductor electrons form pairs and electric transport becomes dissipation-less at low temperatures. Recently discovered iron-based superconductors have the highest superconducting…
Experimental detection of a Majorana mode in the core of a magnetic vortex inside a topological insulator-superconductor Bi(2)Te(3)/NbSe(2) heterostructure.
- Jinpeng Xu, Meixiao Wang, J. Jia
- PhysicsPhysical Review Letters
- 7 January 2015
This work provides self-consistent evidences of Majorana fermions and also suggests a possible route to manipulating them by systematically investigating the spatial profile of the Majorana mode and the bound quasiparticle states within a vortex in Bi(2)Te(3) films grown on a superconductor NbSe(2).
Majorana Zero Mode Detected with Spin Selective Andreev Reflection in the Vortex of a Topological Superconductor.
- Hao-Hua Sun, Kai-Wen Zhang, J. Jia
- PhysicsPhysical Review Letters
- 8 March 2016
Recently, theory has predicted a Majorana zero mode (MZM) to induce spin selective Andreev reflection (SSAR), a novel magnetic property which can be used to detect the MZM. Here, spin-polarized…
Artificial Topological Superconductor by the Proximity Effect
- Jinpeng Xu, Canhua Liu, J. Jia
- Physics
- 30 May 2014
Topological superconductors (TSCs) have a full gap in the bulk and gapless surface states consisting of Majorana fermions, which have potential applications in fault-tolerant topological quantum…
A phenomenological theory of the pseudogap state
- Kai-Yu Yang, T. M. Rice, Fu-Chun Zhang
- Physics
- 7 February 2006
Abstract An ansatz is proposed for the coherent part of the single particle Green’s function in a doped resonant valence bond (RVB) state by analogy with the form derived by Konik and coworkers for…
Nature of stripes in the generalized t–J model applied to the cuprate superconductors
- Kai-Yu Yang, Wei Qiang Chen, T. M. Rice, M. Sigrist, Fu-Chun Zhang
- Physics
- 24 July 2008
A recent study of the transport properties on the stripe phase in La1.875Ba01.25CuO4 by Li et al (2007 Phys. Rev. Lett. 99 067001) found two-dimensional (2D) superconductivity over a wide temperature…
Distinct pairing symmetries of superconductivity in infinite-layer nickelates
- Zhanning Wang, Guang-ming Zhang, Yi-feng Yang, Fu-Chun Zhang
- Physics
- 29 June 2020
We report theoretical predictions on the pairing symmetry of the newly discovered superconducting nickelate Nd$_{1-x}$Sr$_{x}$NiO$_{2}$ based on the renormalized mean-field theory for a generalized…
Directional ordering of fluctuations in a two-dimensional compass model.
- A. Mishra, M. Ma, Fu-Chun Zhang, S. Guertler, Lei-Han Tang, S. Wan
- PhysicsPhysical Review Letters
- 18 July 2004
Transition to the disordered phase is shown to be in the Ising universality class through exact mapping and multicanonical Monte Carlo simulations.
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