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High Harmonics and Isolated Attosecond Pulses from MgO
(American Physical Society, 2021-01-08)
On the basis of real-time ab initio calculations, we study the nonperturbative interaction of two-color laser pulses with MgO crystal in the strong-field regime to generate isolated attosecond pulses from high-harmonic ...
Survival of Floquet-Bloch States in the Presence of Scattering
(American Chemical Society, 2021-06-23)
Floquet theory has spawned many exciting possibilities for electronic structure control with light, with enormous potential for future applications. The experimental demonstration in solids, however, remains largely ...
Focusing of in-plane hyperbolic polaritons in van der Waals crystals with tailored infrared nanoantennas
(American Association for the Advancement of Science, 2021-10)
[EN]Phonon polaritons (PhPs)-light coupled to lattice vibrations-with in-plane hyperbolic dispersion exhibit ray-like propagation with large wave vectors and enhanced density of optical states along certain directions on ...
Microcavity phonon polaritons from the weak to the ultrastrong phonon–photon coupling regime
(Nature Research, 2021-10-27)
[EN]Strong coupling between light and matter can be engineered to influence their properties and behaviour. Here, the authors demonstrate the evolution from weak to ultrastrong coupling of microcavity modes and optical ...
Out-of-Plane Transport of 1T-TaS2/Graphene-Based van der Waals Heterostructures
(American Chemical Society, 2021-07-27)
Due to their anisotropy, layered materials are excellent candidates for studying the interplay between the inplane and out-of-plane entanglement in strongly correlated systems. A relevant example is provided by 1T-TaS2, ...
Bottom-up Fabrication and Atomic-Scale Characterization of Triply Linked, Laterally π-Extended Porphyrin Nanotapes
(Wiley, 2021-07-12)
Porphyrin nanotapes (Por NTs) are promising structures for their use as molecular wires thanks to a high degree of pi-conjugation, low HOMO-LUMO gaps, and exceptional conductance. Such structures have been prepared in ...
Interactions between Reduced Graphene Oxide with Monomers of (Calcium) Silicate Hydrates: A First-Principles Study
(MDPI, 2021-08-31)
Graphene is a two-dimensional material, with exceptional mechanical, electrical, and thermal properties. Graphene-based materials are, therefore, excellent candidates for use in nanocomposites. We investigated reduced ...
Planar refraction and lensing of highly confined polaritons in anisotropic media
(Nature, 2021-07-15)
Refraction between isotropic media is characterized by light bending towards the normal to the boundary when passing from a low- to a high-refractive-index medium. However, refraction between anisotropic media is a more ...
Toward Pricing Financial Derivatives with an IBM Quantum Computer
(American Physical Society, 2021-02-22)
Pricing interest-rate financial derivatives is a major problem in finance, in which it is crucial to accurately reproduce the time evolution of interest rates. Several stochastic dynamics have been proposed in the literature ...