73 citations · 449 across the 22 of their papers we have counts for
22 papers
Breit interaction overtaking Coulomb force at low energies: an unexpectedly efficient mechanism for ionization in slow collisions
A. Jacob, C. Müller, A. B. Voitkiv
It is generally assumed that ionization in slow collisions of light atomic particles, whose constituents (electrons and nuclei) move with velocities orders of magnitude smaller tha…
Dynamically-assisted nonlinear Breit-Wheeler pair production in bichromatic laser fields of circular polarization
N. Mahlin, S. Villalba-Chávez, C. Müller
Production of electron-positron pairs by a high-energy photon and a bichromatic laser wave is considered where the latter is composed of a strong low-frequency and a weak high-…
Electron-positron pair creation in the superposition of two oscillating electric field pulses with largely different frequency, duration and relative positioning
N. Folkerts, J. Putzer, S. Villalba-Chávez +1
Production of electron-positron pairs in two oscillating strong electric field pulses with largely different frequencies and durations is considered. In a first scenario, the influ…
Light-amplified Landau-Zener conductivity in gapped graphene monolayers: a simulacrum of photo-catalyzed vacuum instability
Selym Villalba-Chávez, Oliver Mathiak, Reinhold Egger +1
Interband transitions of electrons in a gapped graphene monolayer are highly stimulated near the Fermi surface when a high-frequency electric wave of weak intensity and a strong co…
Controlling electron spin dynamics in bichromatic Kapitza-Dirac scattering by the laser field polarization
Matthias M. Dellweg, Carsten Müller
Spin-dependent Kapitza-Dirac scattering of electron beams from counterpropagating bichromatic laser waves in various polarization geometries is studied. The corresponding scatterin…
Polarization-operator approach to optical signatures of axion-like particles in strong laser pulses
Selym Villalba-Chávez, Tobias Podszus, Carsten Müller
Hypothetical oscillations of probe photons into axion-like particles might be revealed by exploiting the strong fields of high-intensity laser pulses. Considering an arbitrary plan…
Strong-Field Breit-Wheeler Pair Production in Two Consecutive Laser Pulses with Variable Time Delay
Martin J. A. Jansen, Carsten Müller
Photoproduction of electron-positron pairs by the strong-field Breit-Wheeler process in an intense laser field is studied. The laser field is assumed to consist of two consecutive…
Minicharged particles search by strong laser pulse-induced vacuum polarization effects
Selym Villalba-Chávez, Sebastian Meuren, Carsten Müller
Laser-based searches of the yet unobserved vacuum birefringence might be sensitive for very light hypothetical particles carrying a tiny fraction of the electron charge. We show th…
Spin-polarizing interferometric beam splitter for free electrons
Matthias M. Dellweg, Carsten Müller
A spin-polarizing electron beam splitter is described which relies on an arrangement of linearly polarized laser waves of nonrelativistic intensity. An incident electron beam is fi…
Spin dynamics in Kapitza-Dirac scattering of electrons from bichromatic laser fields
Matthias M. Dellweg, Hani M. Awwad, Carsten Müller
Kapitza-Dirac scattering of nonrelativistic electrons from counterpropagating bichromatic laser waves of linear polarization is studied. The focus lies on the electronic spin dynam…
Strong-Field Breit-Wheeler Pair Production in Short Laser Pulses: Identifying Multiphoton Interference and Carrier-Envelope-Phase Effects
Martin J. A. Jansen, Carsten Müller
The creation of electron-positron pairs by the strong-field Breit-Wheeler process in intense short laser pulses is investigated in the framework of laser-dressed quantum electrodyn…
Light dark matter candidates in intense laser pulses II: the relevance of the spin degrees of freedom
Selym Villalba-Chávez, Carsten Müller
Optical searches assisted by the field of a laser pulse might allow for exploring a variety of not yet detected dark matter candidates such as hidden-photons and scalar minicharged…
Kapitza-Dirac scattering of electrons from a bichromatic standing laser wave
Matthias M. Dellweg, Carsten Müller
Coherent scattering of an electron beam by the Kapitza-Dirac effect from a standing laser wave which comprises two frequency components is studied. To this end, the Schrödinger equ…
Light dark matter candidates in intense laser pulses I: paraphotons and fermionic minicharged particles
Selym Villalba-Chávez, Carsten Müller
Polarimetric experiments driven by the strong field of a circularly polarized laser wave can become a powerful tool to limit the parameter space of not yet detected hidden-photons…
Particle Production Reactions in Laser-Boosted Lepton Collisions
Sarah J. Müller, Christoph H. Keitel, Carsten Müller
The need for ever higher energies in lepton colliders gives rise to the investigation of new accelerator schemes for elementary particle physics experiments. One perceivable way to…
Nonlinear Bethe-Heitler Pair Creation in an Intense Two-Mode Laser Field
Sven Augustin, Carsten Müller
We investigate electron-positron pair creation in the interaction of a nuclear Coulomb field and a highly intense two-mode laser field. For bichromatic laser fields, we examine the…
Strongly enhanced pair production in combined high- and low-frequency laser fields
Martin J. A. Jansen, Carsten Müller
Production of particle-antiparticle pairs by a high-energy probe photon propagating through a high-intensity laser field is considered in the nonperturbative interaction regime. Th…
Spin effects in strong-field laser-electron interactions
S. Ahrens, T. O. Müller, S. Villalba-Chávez +2
The electron spin degree of freedom can play a significant role in relativistic scattering processes involving intense laser fields. In this contribution we discuss the influence o…
Searching for minicharged particles via birefringence, dichroism and Raman spectroscopy of the vacuum polarized by a high-intensity laser wave
S. Villalba-Chávez, C. Müller
Absorption and dispersion of probe photons in the field of a high-intensity circularly polarized laser wave are investigated. The optical theorem is applied for determining the abs…
Spin effects in relativistic ionization with highly charged ions in super-strong laser fields
Michael Klaiber, Enderalp Yakaboylu, Carsten Müller +3
Spin effects in above-threshold ionization of hydrogenlike highly charged ions in super-strong laser fields are investigated. Spin-resolved ionization rates in the tunneling regime…
Laser-assisted nuclear photoeffect
Anis Dadi, Carsten Müller
Proton emission from nuclei via the nuclear photoeffect in the combined electromagnetic fields of a gamma-ray photon and an intense laser wave is studied. An S-matrix approach to t…
Spin dynamics in the Kapitza-Dirac effect
Sven Ahrens, Heiko Bauke, Christoph H. Keitel +1
Electron spin dynamics in Kapitza-Dirac scattering from a standing laser wave of high frequency and high intensity is studied. We develop a fully relativistic quantum theory of the…