Publications (30)
Analytical results for non-linear Compton scattering in short intense laser pulses
Daniel Seipt, Vasily Kharin, Sergey Rykovanov +2
We study in detail the strong-field QED process of non-linear Compton scattering in short intense plane wave laser pulses of circular polarization. Our main focus is placed on how…
Volkov States and Non-linear Compton Scattering in Short and Intense Laser Pulses
Daniel Seipt
The collision of ultra-relativistic electron beams with intense short laser pulses makes possible to study QED in the high-intensity regime. Present day high-intensity lasers mostl…
Quasi-Particle Description of Strongly Interacting Matter: Towards a Foundation
Marcus Bluhm, Burkhard Kampfer, Robert Schulze +1
We confront our quasi-particle model for the equation of state of strongly interacting matter with recent first-principle QCD calculations. In particular, we test its applicability…
Conceptual Design Report for the LUXE Experiment
Halina Abramowicz, Uwe Hernandez Acosta, Massimo Altarelli +88
This Conceptual Design Report describes LUXE (Laser Und XFEL Experiment), an experimental campaign that aims to combine the high-quality and high-energy electron beam of the Europe…
Electron spin polarization in realistic trajectories around the magnetic node of two counter-propagating, circularly polarized, ultra-intense lasers
Dario Del Sorbo, Daniel Seipt, Alexander G. R. Thomas +1
It has recently been suggested that two counter-propagating, circularly polarized, ultra-intense lasers can induce a strong electron spin polarization at the magnetic node of the e…
Optimizing Laser Pulses for Narrowband Inverse Compton Sources in the High-Intensity Regime
Daniel Seipt, Vasily Yu. Kharin, Sergey G. Rykovanov
Scattering of ultraintense short laser pulses off relativistic electrons allows one to generate a large number of X- or -ray photons with the expense of the spectral width---te…
Isentropic Equation of State of Two-Flavour QCD in a Quasi-Particle Model
Marcus Bluhm, Burkhard Kampfer, Robert Schulze +1
We examine the isentropic QCD equation of state within a quasi-particle model being adjusted to first principle QCD calculations of two quark flavours. In particular, we compare wi…
Kinetic theory for spin-polarized relativistic plasmas
Daniel Seipt, Alec G. R. Thomas
The investigation of spin and polarization effects in ultra-high intensity laser-plasma and laser-beam interactions has become an emergent topic in high-field science recently. In…
An Innovative Transverse Emittance Cooling Technique using a Laser-Plasma Wiggler
Oznur Apsimon, Daniel Seipt, Monika Yadav +6
We propose an innovative beam cooling scheme based on laser driven plasma wakefields to address the challenge of high luminosity generation for a future linear collider. For linear…
Temporal laser pulse shape effects in nonlinear Thomson scattering
Vasily Kharin, Daniel Seipt, Sergey Rykovanov
The influence of the laser pulse temporal shape on the Nonlinear Thomson Scattering on-axis photon spectrum is analyzed in detail. Using the classical description, analytical expre…
Numerical optimization of quantum vacuum signals
Maksim Valialshchikov, Felix Karbstein, Daniel Seipt +1
The identification of prospective scenarios for observing quantum vacuum signals in high-intensity laser experiments requires both accurate theoretical predictions and the explorat…
The effect of bound state dressing in laser assisted radiative recombination
Robert Alexander Müller, Daniel Seipt, Stephan Fritzsche +1
We present a theoretical study on the recombination of a free electron into the ground state of a hydrogen-like ion in the presence of an external laser field. Emphasis is placed o…
Lifting shell structures in the dynamically assisted Schwinger effect in periodic fields
Andreas Otto, Daniel Seipt, David Blaschke +2
The dynamically assisted pair creation (Schwinger effect) is considered for the superposition of two periodic electric fields acting a finite time interval. We find a strong enhanc…
Nonlinear Breit-Wheeler pair production using polarized photons from inverse Compton scattering
Daniel Seipt, Mathias Samuelsson, Tom Blackburn
Observing multiphoton electron-positron pair production (the nonlinear Breit-Wheeler process) requires high-energy rays to interact with strong electromagnetic fields. In orde…
Laser polarization control of ionization-injected electron beams and x-ray radiation in laser wakefield accelerators
Arghya Mukherjee, Daniel Seipt
In this paper we have studied the influence of the laser polarization on the dynamics of the ionization-injected electron beams and subsequently the properties of the emitted betat…
Back-reflection in dipole fields and beyond
Maksim Valialshchikov, Felix Karbstein, Daniel Seipt +1
Quantum reflection is a fascinating signature of the quantum vacuum that emerges from inhomogeneities in the electromagnetic fields. In pursuit of the prospective real-world implem…
Polarized QED cascades
Daniel Seipt, Christopher P. Ridgers, Dario Del Sorbo +1
By taking the spin and polarization of the electrons, positrons and photons into account in the strong-field QED processes of nonlinear Compton emission and pair production, we fin…
Coherent synchrotron radiation by excitation of surface plasmon polariton on near-critical solid microtube surface
Bifeng Lei, Hao Zhang, Daniel Seipt +5
Coherent synchrotron radiation (CSR) is crucial for the development of powerful ultrashort light sources. We present a mechanism for generating CSR in the form of generalised super…
Extended locally monochromatic approximations of Strong-Field QED processes
Nikita Larin, Daniel Seipt
Strong-field QED (SFQED) probability rates in the locally monochromatic approximation (LMA) have become an indispensable tool for simulations of processes like gamma-ray emission o…
Back-reaction on background fields: a coherent state approach
Anton Ilderton, Daniel Seipt
There are many situations in which a strong electromagnetic field may be approximated as a fixed background. Going beyond this approximation, i.e. accounting for the back-reaction…
Dynamical Schwinger process in a bifrequent electric field of finite duration: survey on amplification
Andreas Otto, Daniel Seipt, David Blaschke +2
The electron-positron pair production due to the dynamical Schwinger process in a slowly oscillating strong electric field is enhanced by the superposition of a rapidly oscillating…
Time-frequency analysis of nonlinear Compton scattering via joint probability distributions
Nikita Larin, Daniel Seipt
The interaction of charged particles with an intense laser pulse gives rise to a number of characteristic spectral features of emitted radiation, including the generation of harmon…
Parametric study of the polarization dependence of nonlinear Breit-Wheeler pair creation process using two laser pulses
Qian Qian, Daniel Seipt, Marija Vranic +4
With the rapid development of high-power petawatt class lasers worldwide, exploring physics in the strong field QED regime will become one of the frontiers for laser-plasma interac…
Radiation reaction measurements via single-shot energy-loss determination in high-intensity laser-electron collisions
Philipp Sikorski, Daniel Seipt
The paper proposes a single-shot experimental setup using a 90-degree scattering geometry to directly measure radiation‑reaction energy losses in high‑intensity laser‑electron coll…
Modelling Chromatic Emittance Growth in Staged Plasma Wakefield Acceleration to 1 TeV using Nonlinear Transfer Matrices
Alec G. R. Thomas, Daniel Seipt
A framework for integrating transfer matrices with particle-in-cell simulations is developed for TeV staging of plasma wakefield accelerators. Using nonlinear transfer matrices in…
Mode truncations and scattering in strong fields
Tom Heinzl, Anton Ilderton, Daniel Seipt
Truncating quantum field theories to a dominant mode offers a non-perturbative approach to their solution. We consider here the interaction of charged scalar matter with a single m…
Phase-dependent bubble hosing and resonant amplification of betatron oscillation in few-cycle laser wakefield accelerator
Bifeng Lei, Daniel Seipt, Bin Liu +2
Betatron oscillation of trapped electrons in laser-driven long-distance propagating plasma bubble has been investigated with the help of particle-in-cell simulations and theoretica…
Determination of the carrier envelope phase for short, circularly polarized laser pulses
Alexander I. Titov, Burkhard Kampfer, Atsushi Hosaka +2
We analyze the impact of the carrier envelope phase on the differential cross sections of the Breit-Wheeler and the generalized Compton scattering in the interaction of a charged e…
Novel Signatures of Radiation Reaction in Electron-Laser Sidescattering
Philipp Sikorski, Alec G. R. Thomas, Stepan S. Bulanov +2
In this article we investigate novel signatures of radiation reaction via the angular deflection of an electron beam colliding at 90 degrees with an intense laser pulse. Due to the…
Ultrafast Polarization of an Electron Beam in an Intense Bi-chromatic Laser Field
Daniel Seipt, Dario Del Sorbo, Christopher P. Ridgers +1
Here, we demonstrate the radiative polarization of high-energy electron beams in collisions with ultrashort pulsed bi-chromatic laser fields. Employing a Boltzmann kinetic approach…