High order harmonics in solids
WebDec 16, 2024 · arXiv: Optics. We theoretically investigate the spectral caustics of high-order harmonics in solids. We analyze the 1-dimension model of solids HHG and find that, apart … WebMay 15, 2024 · The resonant high-order harmonic generation (HHG) from solid in the periodic potential is investigated by a chirped laser pulse. We show the dependence of the intensity of the resonance peak on the chirp parameters β, and it is found that the increase of the resonant harmonic intensity with β is significantly higher than that of the …
High order harmonics in solids
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WebMay 13, 2024 · A 101, 053423 (2024) - Probing structural chirality of crystals using high-order harmonic generation in solids Structural chirality plays an important role in solid-state physics and leads to a variety of novel physics. The feasibility of probing structural chirality of crystals using high harmonic generation in solids is explored in this work. WebHigh-harmonic generation in solids can originate from two channels, an intraband current ... In order to better understand the physical processes driving HHG in solids, it is useful to exploreEqs. (1)byusingtheKeldyshapproximation[17],w(t)≈1inEq. (1a). Thisdecouples Eqs. (1) so that they can be formally integrated.
WebHigh-order exceptional points in large arrays of subwavelength resonators. - highEPs/harmonicY.m at master · davies-b/highEPs ... % Y = HARMONICY(N,M,TH,PHI,R) computes the solid spherical harmonic of % degree N and order M, evaluated at each element of inclination TH, % azimuth PHI and radius R. N and M must be scalar integers … WebApr 15, 2024 · A satellite formation operating in low-altitude orbits is subject to perturbations associated to the higher-order harmonics of the gravitational field, which …
WebAug 17, 2024 · High harmonic generation (HHG) in crystals has revealed a wealth of perspectives such as all-optical mapping of the electronic band structure, ultrafast quantum information, and the creation of all-solid-state attosecond sources.
WebApr 14, 2024 · The voltage contains lots of DC components and high-order harmonics, which is likely to cause insulation failures. The partial discharge and space charge experiments of oil-impregnated pressboard under DC superimposed harmonic voltage are conducted to study the effects of harmonic frequency and DC components on the discharge and charge …
WebJan 8, 2024 · Since the underlying mechanisms of the harmonic emission remain uncertain, a large number of theoretical studies have been … hornady 270 sst for saleWebHigh harmonic generation (HHG) is a non-linear process during which a target (gas, plasma, solid or liquid sample) is illuminated by an intense laser pulse. Under such conditions, the … lost my speeding fineWebNov 19, 2024 · High-harmonic generation from solids Full Record References (56) Cited by (18) Related Research Abstract We report that high-harmonic generation in atomic gases has been studied for decades, and has formed the basis of attosecond science. Observation of high-order harmonics from bulk crystals was, however, reported much more recently, in … hornady 270 sst 140 grWebJan 1, 2024 · There are two main mechanisms leading to HHG in solids that are usually considered. The first one is interband polarization, which has much in common with the three-step model used to explain HHG in the gas phase (Corkum, 1993; Lewenstein et al., 1994; Schafer et al., 1993). hornady 270 wsm ammo in stockWebMay 17, 2024 · High-order harmonic generation (HHG) from crystals is emerging as a new ultrashort source of coherent extreme ultraviolet (XUV) light. ... Pattanayak, M. M. S, and G. Dixit, “ Influence of vacancy defects in solid high-order harmonic generation,” Phys. Rev. A 101, 013404 (2024). lost my text icon on iphoneWebDec 14, 2024 · In this work, we study the role of these effects in the high-order harmonic spectrum by using the Time-Dependent Density Functional Theory (TDDFT) approach with the Dynamical Mean-Field Theory (DMFT) exchange-correlation kernel. In this approximation, one takes into account the time-resolved on-site electron-electron interactions. lost my stimulus checkWebApr 11, 2024 · High harmonic generation (HHG) in monolayer MoS2 is studied using fully microscopic many-body models based on the semiconductor Bloch equations and density functional theory. It is shown that Coulomb correlations lead to a dramatic enhancement of HHG. In particular, near the bandgap, enhancements of two orders of magnitude or more … lost my tachograph card