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We study the effect of electron-electron correlations on the quantum state of the light emitted from high-harmonic generation (HHG). The quantum state of the emitted light is obtained by using a fully quantum mechanical description of both…

Quantum Physics · Physics 2024-03-19 Christian Saugbjerg Lange , Thomas Hansen , Lars Bojer Madsen

We consider several aspects of high-order harmonic generation in solids: the effects of elastic and inelastic scattering; varying pulse characteristics; and inclusion of material-specific parameters through a realistic band structure. We…

Other Condensed Matter · Physics 2013-02-07 A. F. Kemper , B. Moritz , J. K. Freericks , T. P. Devereaux

Coherent control of bound state processes via the interfering overlapping resonances scenario [Christopher et al., J. Chem. Phys. 123, 064313 (2006)] is developed to control intramolecular vibrational redistribution (IVR). The approach is…

Quantum Physics · Physics 2007-05-23 D. Gerbasi , A. S. Sanz , P. S. Christopher , M. Shapiro , P. Brumer

We discuss the electronic transport through molecules in the Kondo regime. We concentrate here on the influence of molecular vibrations. Two types of vibrations are investigated: (i) the breathing internal molecular modes, where the…

Mesoscale and Nanoscale Physics · Physics 2009-12-21 J. Mravlje , A. Ramsak

The interaction of matter with a quantized electromagnetic mode is considered. Representing a strong exciting field, the mode is assumed to contain a large number of photons. As a result, the material response is highly nonlinear: the…

Quantum Physics · Physics 2020-01-17 Ákos Gombkötő , Sándor Varró , Péter Mati , Péter Földi

The generation and control of entanglement in a quantum mechanical system is a critical element of nearly all quantum applications. Molecular systems are a promising candidate, with numerous degrees of freedom able to be targeted. However,…

Quantum Physics · Physics 2023-07-28 Davis M. Welakuh , Spyros Tserkis , Scott E. Smart , Prineha Narang

This Letter brings together two topics that, until now, have been the focus of intense but non-overlapping research efforts. The first concerns high harmonic generation in solids, which occurs when intense light field excites highly…

Strongly Correlated Electrons · Physics 2022-04-06 R. E. F. Silva , Igor V. Blinov , Alexey N. Rubtsov , O. Smirnova , M. Ivanov

We develop a novel method for strong-laser-field physics based on the combination of the semiclassical Herman-Kluk propagator and the strong-field approximation and demonstrate its high accuracy on the calculations of photoelectron momentum…

Atomic Physics · Physics 2024-08-26 Phi-Hung Tran , Van-Hung Hoang , Anh-Thu Le

Strong field transient grating spectroscopy has shown to be a very versatile tool in time-resolved molecular spectroscopy. Here we use this technique to investigate the high-order harmonic generation from SF6 molecules vibrationally excited…

We analyze the influence of different recombination scenarios, involving one or two centers, on high-order harmonic generation (HHG) in diatomic molecules, for different values of the internuclear separation. We work within the strong-field…

Atomic Physics · Physics 2015-05-13 C. Figueira de Morisson Faria

Semiconductor superlattice multipliers have emerged as a nonlinear medium capable to generate radiation in a wide frequency range. This property facilitates the potential of sources suitable for sensing and spectroscopy applications. In…

Mesoscale and Nanoscale Physics · Physics 2021-01-06 Yuliia Shevchenko , Apostolos Apostolakis , Mauro F. Pereira

The process of radiation from high-energy electron in oriented single crystal is considered using the method which permits inseparable consideration of both coherent and incoherent mechanisms of photon emission. The total intensity of…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. N. Baier , V. M. Katkov

We present a classical model for high harmonic generation during the propagation of an intense laser pulse through an atomic gas. Numerical simulations of the model show excellent quantitative agreement with the corresponding quantum model…

Atomic Physics · Physics 2018-07-04 S. A. Berman , J. Dubois , C. Chandre , M. Perin , T. Uzer

High-order harmonic generation via single-slit diffraction of relativistic laser pulses is investigated. Using fully kinetic 2D and 3D particle-in-cell simulations, we show that interesting optical phenomena emerge, including the generation…

Plasma Physics · Physics 2025-05-07 Longqing Yi

Experiments studying vibrational effects on electronic transport through single molecules have observed several seemingly inconsistent behaviors, ranging from up to 30 harmonics of a vibrational frequency in one experiment, to an absence of…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Vivek Aji , J. E. Moore , C. M. Varma

In open-shell atoms and ions, processes such as photoionization, combination (Raman) scattering, electron scattering and recombination, are often mediated by many-electron compound resonances. We show that their interference (neglected in…

Atomic Physics · Physics 2015-05-14 V. V. Flambaum , M. G. Kozlov , G. F. Gribakin

We present theoretical results concerning inelastic light (Raman) scattering from semiconductor quantum dots. The characteristics of each dot state (whether it is a collective or single-particle excitation, its multipolarity, and its spin)…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Alain Delgado , Augusto Gonzalez , David J. Lockwood

When the collective coupling of the rovibrational states in organic molecules and confined electromagnetic modes is sufficiently strong, the system enters into vibrational strong coupling, leading to the formation of hybrid light-matter…

Mesoscale and Nanoscale Physics · Physics 2017-01-04 Javier del Pino , Francisco J. Garcia-Vidal , Johannes Feist

The present work discusses the impact of vacancy defects in solid high-order harmonic generation. The total energy cutoff of the high-order harmonic spectrum increases as a function of concentration of vacancy defects, and the total…

Optics · Physics 2020-01-10 Adhip Pattanayak , Mrudul M. S. , Gopal Dixit

We experimentally observe longer than long trajectory influence in high order harmonic generation (HHG) by varying the peak intensity of the driving laser field through either direct attenuation, or by chirping the laser pulse. Using a…

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