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pro vyhledávání: '"Mojarro, M. A."'
Autor:
Mojarro, M. A., Ulloa, Sergio E.
We study the interplay of attractive electron interactions and topological states in strained kagome lattices with spin-orbit coupling via a Hubbard Hamiltonian in the mean-field approximation. In the unstrained lattice, there is a topological phase
Externí odkaz:
http://arxiv.org/abs/2406.15984
Publikováno v:
Phys. Rev. B 108, L161401 (2023)
Deviation from perfect conical dispersion in Dirac materials, such as the presence of mass or tilting, enhances control and directionality of electronic transport. To identify these signatures, we analyze the thermal derivative spectra of optical ref
Externí odkaz:
http://arxiv.org/abs/2306.03383
Autor:
Mojarro, M. A., Ulloa, Sergio E.
Publikováno v:
2D Mater. 11 (2024) 011001
We study effects of strain on the electronic properties of the kagome lattice in a tight-binding formalism with spin-orbit coupling (SOC). The degeneracy at the $\Gamma$ point evolves into a pair of emergent tilted Dirac cones under uniaxial strain,
Externí odkaz:
http://arxiv.org/abs/2303.00124
Publikováno v:
Phys. Rev. B 105, L201408, Published 31 May 2022
We explore topological transitions in the type of propagation of surface electromagnetic modes in massive anisotropic tilted Dirac systems. The presence of tilting and mass gives rise to an indirect band gap that strongly modifies the joint density o
Externí odkaz:
http://arxiv.org/abs/2201.12690
Publikováno v:
Phys. Rev. B 103, 165415 (2021)
We explore the effect of valley-contrasting gaps in the optical response of two-dimensional anisotropic tilted Dirac systems. We study the spectrum of intraband and interband transitions through the joint density of states (JDOS), the optical conduct
Externí odkaz:
http://arxiv.org/abs/2012.14508
Autor:
Mojarro, M. A., Ibarra-Sierra, V. G., Sandoval-Santana, J. C., Carrillo-Bastos, R., Naumis, Gerardo G.
Publikováno v:
Phys. Rev. B 102, 165301 (2020)
Electromagnetic dressing by a high-frequency field drastically modifies the electronic transport properties on Dirac systems. Here its effects on the energy spectrum of graphene with two possible phases of Kekul\'e distortion (namely, Kek-Y and Kek-O
Externí odkaz:
http://arxiv.org/abs/2007.15239
Autor:
Mojarro, M. A., Ibarra-Sierra, V. G., Sandoval-Santana, J. C., Carrillo-Bastos, R., Naumis, Gerardo G.
Publikováno v:
Phys. Rev. B 101, 165305 (2020)
In a system with a Dirac-like linear dispersion there are always states that fulfill the resonance condition for electromagnetic radiation of arbitrary frequency $\Omega$. When a flat band is present two kinds of resonant transitions are found. Consi
Externí odkaz:
http://arxiv.org/abs/2001.11661
Autor:
Mojarro, M A, Ulloa, Sergio E
Publikováno v:
2D Materials; Jan2024, Vol. 11 Issue 1, p1-6, 6p
Akademický článek
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Publikováno v:
Scopus-Elsevier
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::be2e6d4cae8c33a8363b14d94310a4f4
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