Results 111 to 120 of about 303,493 (269)

2D Multifunctional Spin‐Orbit Coupled Dirac Nodal Line Materials

Advanced Functional Materials, EarlyView.
A total of 473 nonmagnetic and antiferromagnetic 2D spin‐orbit coupled Dirac nodal line materials are screened, spanning 5 layer groups and 12 magnetic space groups. Furthermore, it integrates their topological properties with electride, multiferroic, and magnetic characteristics, revealing unique systems with expanded functionalities and promising ...
Weizhen Meng, Ying Liu, Jialin Gong, Yalong Jiao, Xiaoming Zhang, Wenxian Li, Zhenxiang Cheng, Tie Yang   +7 more
wiley   +1 more source

Diamagnetism of nodal fermions [PDF]

Physical Review B, 2007
Free nodal fermionic excitations are simple but interesting examples of fermionic quantum criticality in which the dynamic critical exponent $z=1$, and the quasiparticles are well defined. They arise in a number of physical contexts. We derive the scaling form of the diamagnetic susceptibility, $ $, at finite temperatures and for finite chemical ...
Sudip Chakravarty, Amit Ghosal, Pallab Goswami   +2 more
openaire   +3 more sources

Topological semimetals with triply degenerate nodal points in θ -phase tantalum nitride [PDF]

, 2016
Using first-principles calculation and symmetry analysis, we propose that $\ensuremath{\theta}$-TaN is a topological semimetal having a new type of point nodes, i.e., triply degenerate nodal points.
H. Weng, C. Fang, Z. Fang, X. Dai
semanticscholar   +1 more source

High Performance Room Temperature Multiferroic Properties of w‐MnSe Altermagnet

Advanced Functional Materials, EarlyView.
Using first‐principles calculations, for the first time the Altermagneto‐Ferroelectric Coupling Effect (AFCE) is proposed, which enables control of both electric polarization and spin splitting in the band structure due to polyhedral rotations. This uncovers robust multiferroicity in wurtzite MnSe at room temperature, offering an exciting route for ...
Djamel Bezzerga, Imran Khan, Jisang Hong
wiley   +1 more source

Inverse nodal problems

Journal of Physics A: Mathematical and Theoretical, 2009
It is shown that nodal sequences determine the underlying manifold up to scaling within classes of rectangles with Dirichlet boundary conditions, separable two dimensional tori, two-dimensional flat Klein bottles and flat tori in two and three dimensions.
openaire   +3 more sources

Pure Zirconium: Type II Nodal Line and Nodal Surface States

Frontiers in Chemistry, 2020
Type II nodal line states have novel properties, such as direction-reliant chiral anomalies and high anisotropic negative magneto-resistance. These type II nodal line states have been widely investigated.
Li Zhang, Kai Wang, Kai Wang
doaj   +1 more source

Observation of Non-Abelian Nodal Links in Photonics.

Physical Review Letters, 2019
In crystals, two bands may cross each other and form degeneracies along a closed loop in the three-dimensional momentum space, which is called nodal line. Nodal line degeneracy can be designed to exhibit various configurations such as nodal rings, chains,
E. Yang, Biao Yang, Oubo You, H. Chan, Peng Mao, Qinghua Guo, Shaojie Ma, Lingbo Xia, D. Fan, Y. Xiang, Shuang Zhang   +10 more
semanticscholar   +1 more source

Reconfigurable Three‐Dimensional Superconducting Nanoarchitectures

Advanced Functional Materials, EarlyView.
3D superconducting nanostructures offer new possibilities for emergent physical phenomena. However, fabricating complex geometries remains challenging. Here 3D nanoprinting of complex 3D superconducting nanoarchitectures is established. As well as propagating superconducting vortices in 3D, anisotropic superconducting properties with geometric ...
Elina Zhakina, Luke Alexander Turnbull, Weijie Xu, Markus König, Paul Simon, Wilder Carrillo‐Cabrera, Amalio Fernández‐Pacheco, Uri Vool, Dieter Suess, Claas Abert, Vladimir M. Fomin, Claire Donnelly   +11 more
wiley   +1 more source

Experimental observation of photonic nodal line degeneracies in metacrystals

Nature Communications, 2018
Nodal line semimetals (NLS) are three-dimensional (3D) crystals that support band crossings in the form of one-dimensional rings in the Brillouin zone.
Wenlong Gao, Biao Yang, B. Tremain, Hongchao Liu, Qinghua Guo, Lingbo Xia, A. Hibbins, Shuang Zhang   +7 more
semanticscholar   +1 more source

Robust doubly charged nodal lines and nodal surfaces in centrosymmetric systems [PDF]

, 2017
Weyl points in three spatial dimensions are characterized by a $\mathbb{Z}$-valued charge---the Chern number---which makes them stable against a wide range of perturbations.
Tom'avs Bzduvsek, M. Sigrist
semanticscholar   +1 more source