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Related papers: Thermal wave packets induced by attosecond laser p…

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The creation of attosecond pulses via laser-plasma interaction has been a subject of great scientific interest for more than three decades. This process is investigated by using particle-in-cell simulation with varying the plasma and laser…

Plasma Physics · Physics 2021-09-24 Lin Cheng , Zhixin Fan , Liguang Jiao , Aihua Liu

We calculate the transient absorption of an isolated attosecond pulse by helium atoms subject to a delayed infrared (\ir) laser pulse. With the central frequency of the broad attosecond spectrum near the ionization threshold, the absorption…

Atomic Physics · Physics 2015-06-12 Shaohao Chen , Mengxi Wu , Mette B. Gaarde , Kenneth J. Schafer

The heat transport in heavy-doped n-GaAs has been investigated at temperatures T=300 K and 77 K using the irradiation of the metal-semiconductor contact by modulated CO_{2}-laser radiation. It is shown this approach giving an opportunity to…

Materials Science · Physics 2007-05-23 A. Ya. Shul'man , N. A. Mordovets , I. N. Kotel'nikov

A method is proposed for determining the temperature of hot electrons in a metallic nanoparticle embedded in a dielectric matrix under ultrashort laser pulses irradiation. The amplitude and power of the longitudinal spherical acoustic…

Mesoscale and Nanoscale Physics · Physics 2017-12-15 N. I. Grigorchuk

Thermal resonance, in which the temperature amplitude attains a maximum value (peak) in response to an external exciting frequency source, is a phenomenon pertinent to the presence of underdamped thermal oscillations and explicit…

Materials Science · Physics 2024-07-22 Emad Awad , Weizhong Dai , Sergey Sobolev

Energy coupling during relativistically intense laser-matter interactions is encoded in the attosecond motion of strongly driven electrons at the pre-formed plasma-vacuum boundary. Studying and controlling this motion can reveal details…

We investigate the nonlinear interaction between a relativistically strong laser beam and a plasma in the quantum regime. The collective behavior of the electrons is modeled by a Klein-Gordon equation, which is nonlinearly coupled with the…

Plasma Physics · Physics 2011-07-26 Bengt Eliasson , Padma K. Shukla

Recently the time delay in the attosecond photoemission was observed (Science,2010). In this paper we propose the description of that time delay in the framework of hyperbolic heat transport equation. We argue that the observed time delay…

General Physics · Physics 2013-02-20 J. Marciak-Kozlowska , M. Kozlowski

We perform a joint measurement of terahertz waves and high-order harmonics generated from noble atoms driven by a fundamental laser pulse and its second harmonic. By correlating their dependence on the phase-delay of the two pulses, we…

Atomic Physics · Physics 2015-06-05 Dongwen Zhang , Zhihui Lü , Chao Meng , Xiyu Du , Zhaoyan Zhou , Zengxiu Zhao , Jianmin Yuan

Analytic solutions for cylindrical thermal waves in solid medium is given based on the nonlinear hyperbolic system of heat flux relaxation and energy conservation equations. The Fourier-Cattaneo phenomenological law is generalized where the…

Mathematical Physics · Physics 2017-09-07 Imre Ferenc Barna , Robert Kersner

We study the one-loop contributions of matter and radiation to the gravitational polarization tensor at finite temperatures. Using the analytically continued imaginary-time formalism, the contribution of matter is explicitly given to…

High Energy Physics - Theory · Physics 2009-10-22 A. P. de Almeida , F. T. Brandt , J. Frenkel

The structure of the one loop self-energy graphs of the $\rho$ meson is analyzed in the real time formulation of thermal field theory. The modified spectral function of the $\rho$ meson in hot hadronic matter leads to a large enhancement of…

Nuclear Theory · Physics 2015-05-27 Sabyasachi Ghosh , Sourav Sarkar , Jan-e Alam

The ultrafast dynamics of ions in solids following intense femtosecond laser excitation is governed by two fundamentally distinct yet interplaying effects. On one hand, the significant generation of hot electron-hole pairs by the light…

Computational Physics · Physics 2024-01-22 Bernd Bauerhenne , Martin E. Garcia

The interference of matter waves is one of the intriguing features of quantum mechanics that has impressed researchers and laymen since it was first suggested almost a century ago. Nowadays, attosecond science tools allow us to utilize it…

Chemical Physics · Physics 2021-11-03 Kasra Amini , Alexis Chacón , Sebastian Eckart , Benjamin Fetić , Matthias Kübel

In order to account for non-Fourier heat transport, occurring on short time and length scales, the often-praised Dual-Phase-Lag (DPL) model was conceived, introducing a causality relation between the onset of heat flux and the temperature…

Mesoscale and Nanoscale Physics · Physics 2019-08-23 Marco Gandolfi , Giulio Benetti , Christ Glorieux , Claudio Giannetti , Francesco Banfi

In this study, we reexamine the long-range interaction between two atoms placed in an equilibrium thermal radiation environment. Employing the formalism of quantum electrodynamics at finite temperatures, we derive an expression for the…

Atomic Physics · Physics 2023-12-19 T. Zalialiutdinov , D. Solovyev

We investigate the possibility to use transient absorption of a coherent bound electron wave packet in hydrogen as an attosecond pulse characterization technique. In recent work we have shown that photoionization of such a coherent bound…

Optics · Physics 2017-11-22 Jan Marcus Dahlström , Stefan Pabst , Eva Lindroth

In field theory, particles are waves or excitations that propagate on the fundamental state. In experiments or cosmological models one typically wants to compute the out-of-equilibrium evolution of a given initial distribution of such…

Chaotic Dynamics · Physics 2015-04-22 Basile Gallet , Sergey Nazarenko , Bérengère Dubrulle

We describe the energy distribution of hard gluons travelling through a dense quark-gluon plasma whose temperature increases linearly with time, within a probabilistic perturbative approach. The results were applied to the thermalization…

High Energy Physics - Phenomenology · Physics 2022-01-21 F. G. Ben , M. V. T. Machado

The interaction of an ultra-intense laser with matter is an efficient source of high-energy particles, with efforts directed towards narrowing the divergence and simultaneously increasing the brightness. In this paper we report on emission…

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