Results 31 to 40 of about 7,601,055 (365)
Fermi surface topology and large magnetoresistance in the topological semimetal candidate PrBi [PDF]
Physical review B, 2019 We report a detailed magnetotransport study on single crystals of PrBi. The presence of $f$-electrons in this material raises the prospect of realizing a strongly correlated version of topological semimetals.
Amit Vashist +5 more
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Diffusion at the surface of topological insulators [PDF]
New Journal of Physics, 2012 We consider the transport properties of topological insulators surface states in the presence of uncorrelated point-like disorder, both in the classical and quantum regimes. The transport properties of those two-dimensional surface states depend strongly on the amplitude of the hexagonal warping of their Fermi surface.
Adroguer +4 more
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Thermoelectric and optical probes for a Fermi surface topology change in noncentrosymmetric metals [PDF]
Physical review B, 2019 Noncentrosymmetric metals such as Li$_2$(Pd$_{1-x}$Pt$_x$)$_3$B have different Fermi surface topology below and above the band touching point where spin-degeneracy is not lifted by the spin-orbit coupling.
Sonu Verma, T. Biswas, T. Ghosh
semanticscholar +1 more source
The topology of surface mediatrices
Topology and its Applications, 2007 AbstractGiven a pair of distinct points p and q in a metric space with distance d, the mediatrix is the set of points x such that d(x,p)=d(x,q). In this paper, we examine the topological structure of mediatrices in connected, compact, closed 2-manifolds whose distance function is inherited from a Riemannian metric.
Bernhard, James, Veerman, J. J. P.
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Toxins, 2017 The Vip3 proteins produced during vegetative growth by strains of the bacterium Bacillus thuringiensis show insecticidal activity against lepidopteran insects with a mechanism of action that may involve pore formation and apoptosis.
Leopoldo Palma +8 more
doaj +1 more source
Topological laminations on surfaces [PDF]
Expositiones Mathematicae, 2019 We present and prove a topological characterization of geodesic laminations on hyperbolic surfaces of finite type.
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Anomalies of a topologically ordered surface [PDF]
Scientific Reports, 2015 AbstractBulk insulators with strong spin orbit coupling exhibit metallic surface states possessing topological order protected by the time reversal symmetry. However, experiments show vulnerability of topological states to aging and impurities. Different studies show contrasting behavior of the Dirac states along with plethora of anomalies, which has ...
Kalobaran Maiti +4 more
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Magnetoresistance from Fermi surface topology [PDF]
Physical review B, 2018 Extremely large nonsaturating magnetoresistance has recently been reported for a large number of both topologically trivial and nontrivial materials. Different mechanisms have been proposed to explain the observed magnetotransport properties, yet without
S. Zhang +3 more
semanticscholar +1 more source
Topological charges and the genus of surfaces [PDF]
Journal of Geometry and Physics, 1997 We show that the topological charge of the n-soliton solution of the sine-Gordon equation n is related to the genus g > 1 of a constant negative curvature compact surface described by this configuration. The relation is n=2(g-1), where n is even. The moduli space of complex dimension B(g)=3(g-1) corresponds precisely to the freedom to choosing the ...
Antonio J. Segui-Santonja, Luis J. Boya
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On the topology and index of minimal surfaces [PDF]
Journal of Differential Geometry, 2016 We show that for an immersed two-sided minimal surface in $R^3$, there is a lower bound on the index depending on the genus and number of ends. Using this, we show the nonexistence of an embedded minimal surface in $R^3$ of index $2$, as conjectured by Choe.
Davi Maximo, Davi Maximo, Otis Chodosh
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