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中国科学院物理研究所提出拓扑Node-Line半金属的理论预言（图）
拓扑半金属 凝聚态物理
2015/9/28
拓扑半金属是不同于拓扑绝缘体的一类全新拓扑量子态，是当前凝聚态物理的研究热点之一。和普通金属相比，拓扑半金属的费米面有且只有能带交叉点。这些能带交叉点构成了晶格动量空间的磁单极子。根据磁单极子在晶格动量空间的分布，拓扑半金属可以分为拓扑狄拉克半金属、外尔半金属和Node-Line半金属，组成拓扑半金属“三重奏”。在前两种拓扑半金属中，磁单极子在晶格动量空间中的位置是一些孤立的点(见图1)。这两种拓...
Lymph node and peri-lymph node stroma : phenotype and interaction with T-cells
Ly51 iNOS IDO1
2015/5/21
The non-hematopoietic, stationary stromal cells located inside and surrounding skin-draining lymph nodes play a key role in regulating immune responses. We studied distinct populations of lymph node s...
Detection Performance in Balanced Binary Relay Trees with Node and Link Failures
Detection Performance Balanced Binary Relay Trees Node and Link Failures Information Theory
2012/6/14
We study the distributed detection problem in the context of a balanced binary relay tree, where the leaves of the tree are sensors generating binary messages. The root of the tree is a fusion center ...
Impact of the Electron Density on the Fixed-Node Errors in Quantum Monte Carlo
the Electron Density the Fixed-Node Errors Quantum Monte Carlo
2011/8/5
Abstract: We analyze the effect of increasing charge density on the Fixed Node Errors in Diffusion Monte Carlo by comparing FN-DMC calculations of the total ground state energy on a 4 electron system ...
Modeling Social Networks with Node Attributes using the Multiplicative Attribute Graph Model
Modeling Social Networks Node Multiplicative Attribute Graph Model
2011/9/15
Networks arising from social, technological and natural domains exhibit rich connectivity patterns and nodes in such networks are often labeled with attributes or features. We address the question of ...
Relative Node Polynomials for Plane Curves
Enumerative geometry floor diagram Gromov-Witten theory
2010/12/13
We generalize the recent work of S. Fomin and G. Mikhalkin on polynomial formulas for Severi degrees.
Saddle-Node Bifurcation to Jammed State for Quasi-One-Dimensional Counter Chemotactic Flow
Saddle-Node Bifurcation Quasi-One-Dimensional Counter Chemotactic Flow Jammed State
2010/4/1
The transition from a free flow state to a jammed state of counter chemotactic flow of particles in a quasi-one-dimensional path is investigated. One of the characteristic features of counter chemotac...
Dual hybrid boundary node method for transient eddy current problem
Hybrid boundary node method Dual reciprocity method
2010/9/14
Dual hybrid boundary node method (DHBNM) is presented for solving transient eddy current problems in the paper. With difference to the traditional boundary element method (BEM), the DHBNM combines dua...