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pro vyhledávání: '"Nodal-line semimetals"'
We investigate a gapped two-dimensional nodal-line semimetal subjected to a perpendicular magnetic field. We identify an unusual pattern for Landau levels, where the energy of Landau levels first decreases and then starts increasing versus the level
Externí odkaz:
http://arxiv.org/abs/2410.20987
Nodal line semimetals, a class of topological quantum materials, exhibit a variety of novel phenomena due to their properties, such as bands touching on a one-dimensional line or a ring in the Brillouin zone and drumhead-like surface states. In addit
Externí odkaz:
http://arxiv.org/abs/2409.17653
We investigate the thermoelectric (TE) properties of nodal line semimetals (NLSs) using a combination of semi-analytical calculations within Boltzmann's linear transport theory and the relaxation time approximation, along with first-principles calcul
Externí odkaz:
http://arxiv.org/abs/2408.16644
Akademický článek
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Publikováno v:
PRX Energy 3, 023007 (2024)
The search for materials with large thermopower is of great practical interest. Dirac and Weyl semimetals have recently proven to exhibit superior thermoelectric properties, particularly when subjected to a quantizing magnetic field. Here we consider
Externí odkaz:
http://arxiv.org/abs/2403.03084
Higher-order nodal line semimetals represent a recently proposed topological semimetal class that harbors bulk nodal lines and features gapless hinge Fermi arc excitations, governed by the bulk-hinge correspondence. In this study, we investigate the
Externí odkaz:
http://arxiv.org/abs/2401.13443
Autor:
Rudi, Mattia, De Martino, Alessandro, Moors, Kristof, Giuliano, Domenico, Buccheri, Francesco
Publikováno v:
Phys. Rev. B 109, 195144 (2024)
We study transport through interfaces in topological nodal-line semimetals, focusing on two geometries: a single interface between two large samples, one nodal-line semimetal and one metal, and an infinite nodal-line semimetal slab in between two met
Externí odkaz:
http://arxiv.org/abs/2401.13542
Autor:
Paiva, Carolina, Behrends, Jan
Publikováno v:
Phys. Rev. B 110, 144203 (2024)
Transport plays a key role in characterizing topological insulators and semimetals. Understanding the effect of disorder is crucial to assess the robustness of experimental signatures for topology. In this work, we find the absence of localization in
Externí odkaz:
http://arxiv.org/abs/2401.07906
Publikováno v:
EPL 143 16001 (2023)
Nodal-line semimetals are topological phases where the conduction and the valence bands cross each other along one-dimensional lines in the Brillouin zone, which are symmetry protected by either spatial symmetries or time-reversal symmetry. In partic
Externí odkaz:
http://arxiv.org/abs/2312.17439
It has been realized over the past two decades that topological nontriviality can be present not only in insulators but also in gapless semimetals, the most prominent example being Weyl semimetals in three dimensions. Key to topological classificatio
Externí odkaz:
http://arxiv.org/abs/2401.02966