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We investigate quantum radiation reaction in laser-electron interactions across different energy and intensity regimes. Using a fully quantum approach which also accounts exactly for the effect of the strong laser pulse on the electron…

High Energy Physics - Phenomenology · Physics 2016-03-17 Victor Dinu , Chris Harvey , Anton Ilderton , Mattias Marklund , Greger Torgrimsson

We investigate laser-induced quantum interference phenomena in superradiance processes and in an ensemble of initially excited $\Lambda-$type closely packed three-level emitters. The lower doublet levels are pumped with a coherent laser…

Quantum Physics · Physics 2017-12-20 Ni Cui , Mihai A. Macovei

Radiation reaction effects in the interaction of an electron bunch with a superstrong focused ultrashort laser pulse are investigated in the quantum radiation dominated regime. The angle-resolved Compton scattering spectra are calculated in…

Plasma Physics · Physics 2015-01-14 Jian-Xing Li , Karen Z. Hatsagortsyan , Christoph H. Keitel

Quantum vacuum fluctuations give rise to effective non-linear interactions between electromagnetic fields. A prominent signature of quantum vacuum nonlinearities driven by macroscopic fields are signal photons differing in characteristic…

High Energy Physics - Phenomenology · Physics 2021-04-21 Holger Gies , Felix Karbstein , Leonhard Klar

The pairwise entanglement of an arbitrary atomic pair randomly extracted from a laser-driven dense multiqubit sample in the presence of quantum dissipation due to spontaneous emission is considered. The dipole-dipole interaction between the…

Quantum Physics · Physics 2015-05-14 M. Macovei , J. Evers , C. H. Keitel

Radiation reaction effects in the interaction of an electron and a strong laser field are investigated in the realm of quantum electrodynamics. We identify quantum radiation reaction with the multiple photon recoils experienced by the…

High Energy Physics - Phenomenology · Physics 2010-12-03 A. Di Piazza , K. Z. Hatsagortsyan , C. H. Keitel

A survey of physical parameters and of a ladder of various regimes of laser-matter interactions at extreme intensities is given. Special emphases is made on three selected topics: (i) qualitative derivation of the scalings for probability…

Optics · Physics 2016-12-08 Alexander Fedotov

We report on quantum simulations of relativistic scattering dynamics using trapped ions. The simulated state of a scattering particle is encoded in both the electronic and vibrational state of an ion, representing the discrete and…

By using trajectory-based approaches to quantum transition, it is found that laser can agitate the probability flow in atoms to form alternating current with the frequency of the laser. The detailed physical process of quantum transition is…

General Physics · Physics 2018-05-31 Huai-Yang Cui

This work is dedicated to the study of radiation reaction signatures in the framework of classical and quantum electrodynamics. Since there has been no distinct experimental validation of radiation reaction and its underlying equations so…

High Energy Physics - Phenomenology · Physics 2015-06-18 Norman Neitz , Naveen Kumar , Felix Mackenroth , Karen Z. Hatsagortsyan , Christoph H. Keitel , Antonino Di Piazza

We consider the quantum simulation of relativistic quantum mechanics, as described by the Dirac equation and classical potentials, in trapped-ion systems. We concentrate on three problems of growing complexity. First, we study the…

Quantum Physics · Physics 2011-09-08 L. Lamata , J. Casanova , R. Gerritsma , C. F. Roos , J. J. Garcia-Ripoll , E. Solano

Signatures of stochastic effects in the radiation of a relativistic electron beam interacting with a counterpropagating superstrong short focused laser pulse are investigated in a quantum regime when the electron's radiation dominates its…

Plasma Physics · Physics 2016-12-21 Jian-Xing Li , Yue-Yue Chen , Karen Z. Hatsagortsyan , Christoph H. Keitel

Recently it has been recognized that electronic conical intersections in molecular systems can be induced by laser light even in diatomics. As is known a direct consequence of these accidental degeneracies is the appearence of nonadiabatic…

Atomic and Molecular Clusters · Physics 2013-10-30 Gábor J. Halász , Ágnes Vibók , Nimrod Moiseyev , Lorenz S. Cederbaum

QED cascades play an important role in extreme astrophysical environments like magnetars. They can also be produced by passing a relativistic electron beam through an intense laser field. Signatures of collective pair plasma effects in…

Plasma Physics · Physics 2021-09-22 Kenan Qu , Sebastian Meuren , Nathaniel J. Fisch

The quantum state of an electron in a strong laser field is altered if the interaction of the electron with its own electromagnetic field is taken into account. Starting from the Schwinger-Dirac equation, we determine the states of an…

High Energy Physics - Phenomenology · Physics 2011-12-21 S. Meuren , A. Di Piazza

We present a new approach for investigating quantum effects in laser-driven plasma. Unlike the modelling strategies underpinning particle-in-cell codes that include the effects of quantum electrodynamics, our new field theory incorporates…

Plasma Physics · Physics 2020-05-15 A. Conroy , C. Fiedler , A. Noble , D. A. Burton

We consider the implications for laser interferometry of the quantum-gravity-motivated modifications in the laws of particle propagation, which are presently being considered in attempts to explain puzzling observations of ultra-high-energy…

General Relativity and Quantum Cosmology · Physics 2014-11-17 Giovanni Amelino-Camelia , Claus Lammerzahl

By pursuing the deep relation between the one-dimensional Dirac equation and quantum walks, the physical role of quantum interference in the latter is explained. It is shown that the time evolution of the probability density of a quantum…

Quantum Physics · Physics 2009-11-11 Frederick W. Strauch

The evolution of an electron beam colliding head-on with a strong plane-wave field is investigated in the framework of strong-field QED including radiation-reaction effects due to photon emission. Employing a kinetic approach to describe…

High Energy Physics - Phenomenology · Physics 2014-08-07 Norman Neitz , Antonino Di Piazza

We investigate the photoionization dynamics of atoms subjected to intense, ultrashort laser pulses through the use of quantum trajectories. This method provides a unique and consistent framework for examining electron dynamics within a…

Atomic Physics · Physics 2024-08-01 Taylor Moon , Klaus Bartschat , Nicolas Douguet
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