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We present an analytical model describing a stable shock-like structure that is formed when an ultra-intense laser propagates through an underdense plasma. It is shown that such structures exist in a wide range of laser-plasma parameters,…

Plasma Physics · Physics 2024-10-24 Junjue Liao , Jihoon Kim , Gennady Shvets

We develop a time dependent random matrix theory describing the influence of a time-dependent perturbation on mesoscopic conductance fluctuations in open quantum dots. The effect of external field is taken into account to all orders of…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Maxim G. Vavilov , Igor L. Aleiner

When the excitation of carriers in real space is focused down to the nanometer scale, the carrier system can no longer be viewed as homogeneous and ultrafast transport of the excited carrier wave packets occurs. In state-of-the-art…

Mesoscale and Nanoscale Physics · Physics 2019-05-01 F. Lengers , R. Rosati , T. Kuhn , D. E. Reiter

Previous models of the quantum regime of operation of the Free Electron Laser (QFEL) have performed an averaging and the application of periodic boundary conditions to the coupled Maxwell - Schrodinger equations over short, resonant…

Accelerator Physics · Physics 2018-02-14 M. S. Brown , J. R. Henderson , L. T. Campbell , B. W. J. McNeil

A pulsed regime of short-cavity, heavily erbium-doped fiber lasers is of high interest for its possible applications in telecommunications and sensorics. Here, we demonstrate these lasers in two configurations, distributed feedback laser…

Within the framework of Dyson-Schwinger equations and by means of Multiple Reflection Expansion, we study the finite volume effects on the chiral phase transition in a sphere, especially discuss its influence on the location of the possible…

High Energy Physics - Phenomenology · Physics 2019-09-04 Ya-Peng Zhao , Rui-Rui Zhang , Han Zhang , Hong-Shi Zong

Quantum interference between one- and two-photon absorption pathways allows coherent control of interband transitions in unbiased bulk semiconductors; carrier population, carrier spin polarization, photocurrent injection, and spin current…

Other Condensed Matter · Physics 2007-05-23 R. D. R. Bhat , J. E. Sipe

Laser pulse collisions are a promising tool for the investigation of light-by-light scattering phenomena induced by quantum vacuum fluctuations. Using the numerical code based on the vacuum emission picture and put forward in Blinne et al.…

High Energy Physics - Phenomenology · Physics 2025-03-27 Holger Gies , Felix Karbstein , Lars Maiwald

Quantum interference between energetically close states is theoretically investigated, with the state structure being observed via laser spectroscopy. In this work, we focus on hyperfine states of selected hydrogenic muonic isotopes, and on…

Controlling the interactions between atoms with external fields opened up new branches in physics ranging from strongly correlated atomic systems to ideal Bose and Fermi gases and Efimov physics. Such control usually prepares samples that…

Quantum corrections to charge transport can give rise to an oscillatory magnetoconductance, typically observed in mesoscopic samples with a length shorter than or comparable with the phase coherence length. Here, we report the observation…

Mesoscale and Nanoscale Physics · Physics 2017-03-01 C. W. Rischau , S. Wiedmann , G. Seyfarth , D. LeBoeuf , K. Behnia , B. Fauqué

Abstract The valley degree of freedom in two-dimensional materials provides an opportunity to extend the functionalities of valleytronics devices. Very short valley lifetimes demand the ultrafast control of valley pseudospin. Here, we…

In this report we review recent experimental results on photoexcited carrier relaxation dynamics on high temperature superconductors (HTSC) probed by a femtosecond time-resolved optical spectroscopy, and compare the results with the data…

Superconductivity · Physics 2015-06-24 Jure Demsar , Dragan Mihailovic , Viktor V. Kabanov

The electromagnetic response of a system with two planes per unit cell involves, in addition to the usual intraband contribution, an added interband term. These transitions affect the temperature dependence and the magnitude of the zero…

Superconductivity · Physics 2009-10-28 W. A. Atkinson , J. P. Carbotte

Sources of intense, ultra-short electromagnetic pulses enable applications such as attosecond pulse generation, control of electron motion in solids and the observation of reaction dynamics at the electronic level. For such applications…

Optics · Physics 2021-02-03 Evangelos Siminos , Illia Thiele , Christoffer Olofsson

Insights into the processes of Solar Energetic Particle (SEP) propagation are essential for understanding how solar eruptions affect the radiation environment of near-Earth space. SEP propagation is influenced by turbulent magnetic fields…

Solar and Stellar Astrophysics · Physics 2018-01-11 T. Laitinen , F. Effenberger , A. Kopp , S. Dalla

This work investigates the influence of pulse modulation frequency ranging from 50 Hz- 10 kHz on the helium RF atmospheric pressure plasma jet's fundamental characteristics. The impact of modulation frequency on plasma jet discharge…

Plasma Physics · Physics 2022-12-27 Mahreen , G. Veda Prakash , Satyananda Kar , Debaprasad Sahu , A. Ganguli

Destructive quantum interference in single molecule electronics is an intriguing phe- nomenon; however, distinguishing quantum interference effects from generically low transmission is not trivial. In this paper, we discuss how quantum…

Mesoscale and Nanoscale Physics · Physics 2014-10-01 Jacob Lykkebo , Alessio Gagliardi , Alessandro Pecchia , Gemma C. Solomon

We apply an intense infrared laser pulse in order to perturb the electronic and vibrational states in the three-dimensional charge density wave material 1$T$-VSe$_2$. Ultrafast snapshots of the light-induced hot carrier dynamics and…

We investigate the impact of a critical end point (CEP) on the experimentally accessible baryon number fluctuations of different orders. By now, its potential location has been constrained fairly accurately within first principles…

High Energy Physics - Phenomenology · Physics 2025-03-03 Wei-jie Fu , Xiaofeng Luo , Jan M. Pawlowski , Fabian Rennecke , Shi Yin