搜索结果: 1-14 共查到“理学 Topological Insulators”相关记录14条 . 查询时间(0.039 秒)
Probe of Three-Dimensional Chiral Topological Insulators in an Optical Lattice
Three-Dimensional Chiral Topological Insulators Optical Lattice
2016/1/22
We propose a feasible experimental scheme to realize a three-dimensional chiral topological insulator with cold fermionic atoms in an optical lattice, which is characterized by an integer topological ...
Quantized electromagnetic response of three-dimensional chiral topological insulators
Quantized electromagnetic response three-dimensional chiral topological insulators
2016/1/22
Protected by the chiral symmetry, three-dimensional chiral topological insulators are characterized by an integer-valued topological invariant. How this invariant could emerge in physical observables ...
The Shockley model description of the surface states in topological insulators
Shockley model description surface states topological insulators
2012/2/27
We show that the surface states in topological insulators can be understood based on a well-known Shockley model, a one-dimensional tight-binding model with two atoms per elementary cell, connected vi...
Topological Insulators and C^*-Algebras: Theory and Numerical Practice
Topological Insulators C^*-Algebras Theory Numerical Practice
2011/3/2
We apply ideas from C-algebra to the study of disordered topological insulators.We extract certain almost commuting matrices from the free Fermi Hamiltonian,describing band projected coordinate matri...
Topological BF field theory description of topological insulators
Topological BF field theory description topological insulators
2010/12/27
Topological phases of matter are described universally by topological field theories in the same way that symmetry-breaking phases of matter are described by Landau-Ginzburg field theories. We propos...
Eliashberg theory for ferromagnetic quantum criticality in the surface of three dimensional topological insulators
Eliashberg theory ferromagnetic quantum dimensional topological insulators
2010/11/25
We develop an Eliashberg theory for ferromagnetic quantum criticality in the surface of three
dimensional topological insulators. A novel ingredient of the present study is to introduce an
anomalous...
Topological BF field theory description of topological insulators
Topological BF field theory description topological insulators
2010/11/23
Topological phases of matter are described universally by topological eld theories in the same way that symmetry-breaking phases of matter are described by Landau-Ginzburg eld theories.We propose th...
Anomalous galvanomagnetism, cyclotron resonance and microwave spectroscopy of topological insulators
cyclotron resonance microwave spectroscopy topological insulators
2010/11/22
The surface quantum Hall state, magneto-electric phenomena and their connection to axion electrodynamics have been studied intensively for topological insulators. One of the obstacles for observing su...
Single particle Green's functions and interacting topological insulators
Single particle Green's functions interacting topological insulators
2010/11/19
We study topological insulators characterized by the integer topological invariant Z, in even and odd spacial dimensions. These are well understood in case when there are no interactions. We extend th...
Realistic Time-Reversal Invariant Topological Insulators With Neutral Atoms
Realistic Time-Reversal Invariant Topological Neutral Atoms
2010/11/23
We lay out an experiment to realize time-reversal invariant topological insulators in alkali atomic gases. We introduce an original method to synthesize a gauge field in the near-field of an atom-chip...
Full electrical control of Charge and Spin conductance through Interferometry of Edge States in Topological Insulators
Full electrical control of Charge Spin conductance Topological Insulators
2010/11/24
We investigate electron interferometry of edge states in Topological Insulators. We show that,
when inter-boundary coupling is induced at two quantum point contacts of a four terminal setup,
both Fa...
Electron interaction-driven insulating ground state in Bi2Se3 topological insulators in the two dimensional limit
Electron interaction-driven two dimensional limit
2010/11/18
We report a transport study of ultrathin Bi2Se3 topological insulators with thickness from
one quintuple layer to six quintuple layers grown by molecular beam epitaxy. At low
temperatures, the film ...
Electrically Controllable Surface Magnetism on the Surface of Topological Insulators
Electrically Controllable Surface Magnetism Surface of Topological Insulators
2014/5/28
We study theoretically the RKKY interaction between magnetic impurities on the surface of threedimensional topological insulators, mediated by the helical Dirac electrons. Exact analytical expression ...
Topological Insulators and Metals in Atomic Optical Lattices
Topological Insulators Metals Atomic Optical Lattices
2010/4/16
We propose the realization of topological quantum states with cold atoms trapped in an optical lattice. We discuss an experimental setup that generates a two-dimensional hexagonal lattice in the prese...