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Related papers: Laser-dressed partial density of states

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The spectacular performance of halide perovskites in optoelectronic devices is rooted in their tolerance to defects. Previous studies showed that defects in these materials generate shallow electronic states. However, how these shallow…

Materials Science · Physics 2025-05-20 Frederico P. Delgado , Frederico Simões , Leeor Kronik , Waldemar Kaiser , David A. Egger

We study the effect of laser driving on a minimal model for a hexagonal two-dimensional material with broken inversion symmetry. Through the application of circularly polarised light and coupling to a thermal free electron bath, the system…

Strongly Correlated Electrons · Physics 2019-09-04 Oliver Hart , Garry Goldstein , Claudio Chamon , Claudio Castelnovo

We measured the local density of states (LDOS) of a quasi two-dimensional (2D) electron system near point defects on a surface of highly oriented pyrolytic graphite (HOPG) with scanning tunneling microscopy and spectroscopy. Differential…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Y. Niimi , H. Kambara , T. Matsui , D. Yoshioka , Hiroshi Fukuyama

Inelastic electron scattering by the adsorbate covered Pt(100) single crystal surface is studied by Disappearance Potential Spectroscopy and density of states (DOS) calculations. Two peculiar channels of elastic electron consumption are…

Materials Science · Physics 2012-09-17 A. R. Cholach , V. M. Tapilin

We investigated the local density of states (LDOS) of a normal metal (N) in good electrical contact with a superconductor (S) as a function of the distance $x$ to the NS interface. The sample consists of a pattern of alternate stripes of Au…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 M. Vinet , C. Chapelier , F. Lefloch

Using a Scanning Tunneling Microscope (STM), we investigate the Local Density of States (LDOS) of artificially fabricated normal metal nano-structures in contact with a superconductor. Very low temperature local spectroscopic measurements…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 W. Escoffier , C. Chapelier , F. Lefloch

Laser-assisted electron scattering (LAES), a light-matter interaction process that facilitates energy transfer between strong light fields and free electrons, has so far been observed only in gas phase. Here we report on the observation of…

Electronic band structures underlie the physical properties of crystalline materials, their geometrical exploration renovates the conventional cognition and brings about novel applications. Inspired by geometry phases, we introduce a…

Mesoscale and Nanoscale Physics · Physics 2023-09-26 Shu-Hui Zhang , Jin Yang , Ding-Fu Shao , Jia-Ji Zhu , Wen Yang , Kai Chang

Owing to recent advances in laser technology, it has become important to investigate fundamental laser-assisted processes in very powerful laser fields. In the present work and within the framework of laser-assisted quantum electrodynamics…

Quantum Physics · Physics 2021-09-01 I Dahiri , M Jakha , S Mouslih , B Manaut , S Taj

Machine learning for materials discovery has largely focused on predicting an individual scalar rather than multiple related properties, where spectral properties are an important example. Fundamental spectral properties include the phonon…

The well-known ponderomotive force, arising from the interaction of matter and light, has critical implications across a broad range of fields from laser fusion and astrophysics to laser diagnostics and even pulsed-power experiments. This…

Plasma Physics · Physics 2025-02-18 James R. Young , Pierre-Alexandre Gourdain

The photon density of states (pDOS) governs fundamental light matter interactions and is a critical parameter for designing next generation light driven technologies such as photocatalysis and solar energy harvesting. Achieving a target…

Optics · Physics 2026-04-09 Zesen Zhou , Jeevan Rois , Matias Kagias

We study the influence of electron-electron interactions on the density of states (DOS) of clean 2D electron gas. We confirm the linear cusp in the DOS around the Fermi level, which was obtained previously. The cusp crosses over to a pure…

Strongly Correlated Electrons · Physics 2009-11-10 E. Kogan , B. Rosenstein

Modern growth and fabrication techniques can produce lower dimensional structures in the crossover regime. Such structures in the crossover regime can provide tunability of various properties. For example, a zero-dimensional (0-D) structure…

Mesoscale and Nanoscale Physics · Physics 2013-08-05 R. Batabyal , B. N. Dev

We describe, within the framework of quantum electrodynamics, an interaction between a non-resonant hard x-ray pulse and an electronic system in the presence of a temporally periodic laser field driving electron dynamics in this system. We…

Optics · Physics 2018-12-11 Daria Popova-Gorelova , David A. Reis , Robin Santra

The recent discovery of electro-active polymers has shown great promises in the field of soft robotics, and was logically followed by experimental, numerical and theoretical developments. Most of these studies were concerned with systems…

Soft Condensed Matter · Physics 2020-12-07 Hadrien Bense , Benoît Roman , Bruno Andreotti

Electron dynamics in the bulk of large band gap dielectric crystals induced by intense femtosecond laser pulses at 800 nm is studied. With laser intensities under the ablation threshold (a few 10 TW/cm\textsuperscript{2}), electrons with…

Within the framework of quantum electrodynamics, the scattering of an electron by a muon in the presence of a circularly polarized monochromatic laser field is investigated theoretically in the first Born approximation. The expressions for…

Quantum Physics · Physics 2022-05-04 Y. Mekaoui , M. Jakha , S. Mouslih , B. Manaut , R. Benbrik , S. Taj

In addition to being the core quantity in density functional theory, the charge density can be used in many tertiary analyses in materials sciences from bonding to assigning charge to specific atoms. The charge density is data-rich since it…

Crystal lattice structure is present in stellar compact objects, such as white dwarf stars and in the crust of neutron stars. These structures can be described by a body-centered cubic crystal, which is formed by ions due to Coulombian…

Solar and Stellar Astrophysics · Physics 2022-12-20 S. V. C. Ramalho , S. B. Duarte , G. S. Vicente