Zobrazeno 1 - 10
of 345
pro vyhledávání: '"Lopez-Bezanilla A"'
Autor:
Lopez-Bezanilla, Alejandro, Raymond, Jack, Boothby, Kelly, Carrasquilla, Juan, Nisoli, Cristiano, King, Andrew D.
Topological phases of spin liquids with constrained disorder can host a kinetics of fractionalized excitations. However, spin-liquid phases with distinct kinetic regimes have proven difficult to observe experimentally. Here we present a realization o
Externí odkaz:
http://arxiv.org/abs/2301.01853
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-7 (2024)
Abstract Fluctuations may induce the degradation of order by overcoming ordering interactions, consequently leading to an increase of entropy. This is particularly evident in magnetic systems characterized by nontrivial, constrained disorder, where t
Externí odkaz:
https://doaj.org/article/223012006ac84001b1bf61838f7df8f0
Autor:
Lopez-Bezanilla, Alejandro
Publikováno v:
Phys. Rev. Materials 5, 034007 (2021)
Principles of design to create dynamically stable transition metal, lanthanide, and actinide based low-dimensional borides are presented. A charge transfer analysis of donor metal atoms to electron deficient honeycombed B lattices allows to predict c
Externí odkaz:
http://arxiv.org/abs/2202.07624
Publikováno v:
Phys. Rev. Materials 5, 014006 (2021)
Insulating-metallic transition mediated by substitutional atoms is predicted in a series of two-dimensional carbon-based structures. Introducing Si atoms in selected sites of tetrahexcarbon [Carbon 137 (2018) 266] according to rational chemical rules
Externí odkaz:
http://arxiv.org/abs/2202.07618
Autor:
Negre, Christian F. A., Lopez-Bezanilla, Alejandro, Zhang, Yu, Akrobotu, Prosper D., Mniszewski, Susan M., Tretiak, Sergei, Dub, Pavel A.
Density matrix electronic structure theory is used in many quantum chemistry methods to "alleviate" the computational cost that arises from directly using wave functions. Although density matrix based methods are computationally more efficient than w
Externí odkaz:
http://arxiv.org/abs/2201.04720
Autor:
Ratcliff, Laura E., Genovese, Luigi, Park, Hyowon, Littlewood, Peter B., Lopez-Bezanilla, Alejandro
A detailed exploration of the $f$-atomic orbital occupancy space for UO$_2$ is performed using a first principles approach based on density functional theory (DFT), employing a full hybrid functional within a systematic basis set. Specifically, the P
Externí odkaz:
http://arxiv.org/abs/2109.15084
Autor:
King, Andrew D., Nisoli, Cristiano, Dahl, Edward D., Poulin-Lamarre, Gabriel, Lopez-Bezanilla, Alejandro
Publikováno v:
Science, 15 Jul 2021: eabe2824
Artificial spin ices are frustrated spin systems that can be engineered, wherein fine tuning of geometry and topology has allowed the design and characterization of exotic emergent phenomena at the constituent level. Here we report a realization of s
Externí odkaz:
http://arxiv.org/abs/2007.10555
Publikováno v:
Phys. Rev. Research 2, 033357 (2020)
Twisted graphene multilayers have demonstrated to yield a versatile playground to engineer controllable electronic states. Here, by combining first-principles calculations and low-energy models, we demonstrate that twisted graphene trilayers provide
Externí odkaz:
http://arxiv.org/abs/2005.02169
Akademický článek
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Publikováno v:
Phys. Rev. Materials 3, 084003 (2019)
Atomic defects have a significant impact in the low-energy properties of graphene systems. By means of first-principles calculations and tight-binding models we provide evidence that chemical impurities modify both the normal and the superconducting
Externí odkaz:
http://arxiv.org/abs/1906.02711