搜索结果: 1-15 共查到“凝聚态物理学 Topological”相关记录24条 . 查询时间(0.045 秒)
Gray tin exhibits novel topological electronic properties in 3D
Gray tin novel topological electronic properties 3D
2017/4/27
In a surprising new discovery, alpha-tin, commonly called gray tin, exhibits a novel electronic phase when its crystal structure is strained, putting it in a rare new class of 3D materials called topo...
2017 International Workshop:Topological matter meets quantum information
2017 International Workshop Topological matter meets quantum information
2017/3/28
The desire to store and manipulate quantum information in a protected qubit at a physical level motivated the idea of topological quantum computing, leading consequently to the search of topological q...
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...
The strong correlation effects on topological insulator are studied in a two-sublattice system with an onsite single-particle energy difference between two sublattices. At = 0, increasing the onsi...
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 semimetal: a probable new state of quantum optical lattice gases protected by D$_4$ symmetry
Topological semimetal quantum optical lattice gases
2010/11/24
The use of optical lattices plays a versatile role in advancing knowledge of correlated quantum
matter. The recent orbital lattice experimentsof Wirth et al [1{3] open up a new thrust towards
discov...
Abelian and non-abelian anyons in integer quantum anomalous Hall effect and topological phase transitions via superconducting proximity effect
Abelian and non-abelian anyons integer quantum anomalous Hall effec topological phase transitions
2010/11/23
We study the quantum anomalous Hall effect described by a class of two-component Haldane
models on square lattices. We show that the latter can be transformed into a pseudospin triplet
p + ip-wave p...
Large bulk resistivity and surface quantum oscillations in the topological insulator Bi2Te2Se
Large bulk resistivity surface quantum oscillations
2010/11/22
Topological insulators are predicted to present novel surface transport phenomena, but their
experimental studies have been hindered by a metallic bulk conduction that overwhelms the surface transpor...
Surface density of states and topological edge states in non-centrosymmetric superconductors
Surface density of states topological edge states non-centrosymmetric superconductors
2010/11/19
We study Andreev bound state (ABS) and surface density of state (SDOS) of non-centrosymmetric
superconductor where spin-singlet d-wave pairing mixes with spin-triplet p (or f)-wave one by spinorbit c...
Helical Edge Modes near Transition to Topological Insulator with Indirect Gap
topological insulator edge mode indirect gap particle-hole symmetry semimetal annihilator
2010/11/19
Helical edge modes are characteristic of topological insulators in two dimensions. This paper
demonstrates that helical edge modes remain across transitions to ordinary insulators or to semimetals un...
Topological phases and flat surface bands in superconductors without inversion symmetry
Topological phases flat surface bands superconductors without inversion symmetry
2010/11/18
We examine different topological phases in three-dimensional non-centrosymmetric superconductors with time-reversal symmetry by using three different types of topological invariants. Due to the bulk b...
The Prediction of a Gapless Topological "Haldane Liquid" Phase in a One-Dimensional Cold Polar Molecular Lattice
Prediction of a Gapless One-Dimensional Cold Polar Molecular Lattice
2010/11/19
We show that ultracold two-component fermionic dipolar gases in an optical lattice with strong
two-body on-site loss can be used to realize a tunable effective spin-one model.
Theory of interacting topological superfluids and superconductors
Theory of interacting topological superfluids superconductors
2010/11/17
We investigate the three-dimensional, time-reversal invariant topological superconductors with
generic interaction by their response to external fields. The first description is a gravitational topol...
Spin connection and boundary states in a topological insulator
Spin connection boundary states topological insulator
2010/11/17
We study the surface resistivity of a three-dimensional topological insulator when the boundaries exhibit a non trivial curvature. We obtain an analytical solution for a spherical topological insulato...
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...