David Subires
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View article: Frustrated charge density wave and quasi-long-range bond-orientational order in the magnetic kagome FeGe
Frustrated charge density wave and quasi-long-range bond-orientational order in the magnetic kagome FeGe Open
The intrinsic frustrated nature of a kagome lattice is amenable to the realization of exotic phases of matter, such as quantum spin liquids or spin ices, and the multiple- q charge density waves (CDW) in the kagome metals. Despite intense …
View article: Flat band driven itinerant magnetism in the Co-pnictides CaCo$_2$As$_2$ and LaCo$_2$P$_2$
Flat band driven itinerant magnetism in the Co-pnictides CaCo$_2$As$_2$ and LaCo$_2$P$_2$ Open
Flat bands can induce strong electron correlation effects that help stabilize both magnetic and superconducting states. Here, we carry out angle-resolved photoemission spectroscopy and density functional theory calculations to study the el…
View article: Cascade of pressure induced competing CDWs in the kagome metal FeGe
Cascade of pressure induced competing CDWs in the kagome metal FeGe Open
Electronic ordering is prevalent in correlated systems, which commonly exhibit competing interactions. Here, we use x-ray diffraction to demonstrate a cascade of pressure induced order-disorder transformations, with propagation vectors $\m…
View article: Frustrated charge density wave and quasi-long-range bond-orientational order in the magnetic kagome FeGe
Frustrated charge density wave and quasi-long-range bond-orientational order in the magnetic kagome FeGe Open
The intrinsic frustrated nature of a kagome lattice is amenable to the realization of exotic phases of matter, such as quantum spin liquids or spin ices, and more recently the multiple-q charge density waves (CDW) in the kagome metals. Des…
View article: Frustrated charge density wave and quasi-long-range bond-orientational order in the magnetic kagome FeGe
Frustrated charge density wave and quasi-long-range bond-orientational order in the magnetic kagome FeGe Open
The intrinsic frustrated nature of a kagome lattice is amenable to the realization of exotic phases of matter, such as quantum spin liquids or spin ices, and more recently the multiple-$\mathrm{\textbf{q}}$ charge density waves (CDW) in th…
View article: Self-Stacked 1T-1H Layers in 6R-NbSeTe and the Emergence of Charge and Magnetic Correlations Due to Ligand Disorder
Self-Stacked 1T-1H Layers in 6R-NbSeTe and the Emergence of Charge and Magnetic Correlations Due to Ligand Disorder Open
The emergence of correlated phenomena arising from the combination of 1T and 1H van der Waals layers is the focus of intense research. Here, we synthesize a self-stacked 6R phase in NbSeTe, showing perfect alternating 1T and 1H layers that…
View article: Softening of a flat phonon mode in the kagome ScV6Sn6
Softening of a flat phonon mode in the kagome ScV6Sn6 Open
Geometrically frustrated kagome lattices are raising as novel platforms to engineer correlated topological electron flat bands that are prominent to electronic instabilities. Here, we demonstrate a phonon softening at the k z = π plane in …
View article: Softening of a flat phonon mode in the kagome ScV6Sn6
Softening of a flat phonon mode in the kagome ScV6Sn6 Open
The long-range electronic modulations recently discovered in the geometrically frustrated kagome lattice have opened new avenues to explore the effect of correlations in materials with topological electron flat bands. Charge density waves …
View article: Kagome Materials I: SG 191, ScV$_6$Sn$_6$. Flat Phonon Soft Modes and Unconventional CDW Formation: Microscopic and Effective Theory
Kagome Materials I: SG 191, ScV$_6$Sn$_6$. Flat Phonon Soft Modes and Unconventional CDW Formation: Microscopic and Effective Theory Open
Kagome Materials with flat bands exhibit wildly different physical properties depending on symmetry group, and electron number. For the case of ScV$_6$Sn$_6$ in space group 191, we investigate the existence of a charge density wave (CDW) a…
View article: Role of boundary conditions in the full counting statistics of topological defects after crossing a continuous phase transition
Role of boundary conditions in the full counting statistics of topological defects after crossing a continuous phase transition Open
In a scenario of spontaneous symmetry breaking in finite time, topological defects are generated at a density that scale with the driving time according to the Kibble-Zurek mechanism (KZM). Signatures of universality beyond the KZM have re…
View article: Order-disorder Peierls instability in the kagome metal (Cs,Rb)V$_3$Sb$_5$
Order-disorder Peierls instability in the kagome metal (Cs,Rb)V$_3$Sb$_5$ Open
The nature of the charge density wave phases in the kagome metal compound AV$_3$Sb$_5$ has raised many questions and their origin is still under debate. Here, we combine diffuse scattering (DS) and inelastic x-ray scattering (IXS) to ident…
View article: Order-disorder Peierls instability in the kagome metal (Cs,Rb)V3Sb5
Order-disorder Peierls instability in the kagome metal (Cs,Rb)V3Sb5 Open
The nature of the charge density wave phases in the kagome metal compound AV3Sb5 has raised many questions and their origin is still under debate. Here, we combine diffuse scattering (DS) and inelastic x-ray scatterin…
View article: Role of boundary conditions in the full counting statistics of topological defects after crossing a continuous phase transition
Role of boundary conditions in the full counting statistics of topological defects after crossing a continuous phase transition Open
In a scenario of spontaneous symmetry breaking in finite time, topological defects are generated at a density that scale with the driving time according to the Kibble-Zurek mechanism (KZM). Signatures of universality beyond the KZM have re…
View article: Benchmarking quantum annealing dynamics: The spin-vector Langevin model
Benchmarking quantum annealing dynamics: The spin-vector Langevin model Open
The classical spin-vector Monte Carlo (SVMC) model is a reference benchmark\nfor the performance of a quantum annealer. Yet, as a Monte Carlo method, SVMC\nis unsuited for an accurate description of the annealing dynamics in\nreal-time.We …