Dynamically assisted Sauter-Schwinger effect in inhomogeneous electric fields

Abstract

Via the worldline instanton method, we study electron-positron pair creation by a strong electric field of the profile $E/{\cosh }^2(kx)$ superimposed by a weaker pulse $E^{\prime }/{\cosh }^2(\omega t)$. If the temporal Keldysh parameter ${\gamma }_{\omega }=m\omega /(qE)$ exceeds a threshold value ${\gamma }_{\omega }^{\mathrm{crit}}$ which depends on the spatial Keldysh parameter ${\gamma }_k=mk/(qE)$, we find a drastic enhancement of the pair creation probability -- reporting on what we believe to be the first analytic non-perturbative result for the interplay between temporal and spatial field dependences $E(t,x)$ in the Sauter-Schwinger effect.

13 pages, 4 figures

References in corpus (8)

• Dynamically assisted Schwinger mechanism
• Worldline Instantons II: The Fluctuation Prefactor
• Momentum signatures for Schwinger pair production in short laser pulses with a sub-cycle structure
• On the Schwinger limit attainability with extreme power lasers
• The Stokes Phenomenon and Schwinger Vacuum Pair Production in Time-Dependent Laser Pulses
• Pair production in laser fields oscillating in space and time
• Localisation in worldline pair production and lightfront zero-modes
• Semiclassical pair production rate for time-dependent electrical fields with more than one component: -WKB-approach and world-line instantons

Cited by in corpus (45)

• Advances in QED with intense background fields
• Dynamically assisted Sauter-Schwinger effect - non-perturbative versus perturbative aspects
• On the effect of time-dependent inhomogeneous magnetic fields on the particle momentum spectrum in electron-positron pair production
• Dynamically assisted Schwinger effect beyond the spatially-uniform-field approximation
• Momentum distribution of particles created in space-time-dependent colliding laser pulses
• Pair production in temporally and spatially oscillating fields
• Electron-positron pair production in external electric fields varying both in space and time
• Sauter-Schwinger effect for colliding laser pulses
• Sauter-Schwinger pair creation dynamically assisted by a plane wave
• Dynamically assisted nuclear fusion
• Phase-space analysis of the Schwinger effect in inhomogeneous electromagnetic fields
• Effects of finite spatial extent on Schwinger pair production
• Discrete worldline instantons
• Franz-Keldysh effect in strong-field QED
• On the effect of time-dependent inhomogeneous magnetic fields in electron-positron pair production
• Doubly assisted Sauter-Schwinger effect
• Schwinger pair production at nonzero temperatures or in compact directions
• Analog Sauter-Schwinger effect in semiconductors for spacetime-dependent fields
• Prefactor in the dynamically assisted Sauter-Schwinger effect
• Enhanced dynamically assisted pair production in spatial inhomogeneous electric fields with the frequency chirping
• Dynamically assisted Schwinger mechanism and chirality production in parallel electromagnetic field
• Signatures of the Schwinger mechanism assisted by a fast-oscillating electric field
• The worldline approach to helicity flip in plane waves
• Reducible contributions to quantum electrodynamics in external fields
• Study of pair production in inhomogeneous two-color electric fields using the computational quantum field theory
• WKB approach to pair creation in spacetime-dependent fields
• Electron-positron pair production in inhomogeneous electromagnetic fields
• Efficiently parallelized modeling of tightly focused, large bandwidth laser pulses
• Electron-positron pair production in an oscillating Sauter potential
• Schwinger pair production rate and time for some space-dependent electromagnetic fields via worldline instantons formalism
• Enhancement of pair creation due to locality in bound-continuum interactions
• Multi-channel Interference in Nonperturbative Multiphoton Pair Production by Gamma Rays Colliding
• The worldline formalism in strong-field QED
• Quantum tunnelling from vacuum in multidimensions
• Seed and vacuum pair production in strong laser field
• Euclidean mirrors: enhanced vacuum decay from reflected instantons
• Relativistic Quantum Kinetic Theory: Higher order contributions in assisted Schwinger pair production
• Hawking Radiation via Complex Geodesics
• Dynamically assisted Klein tunneling in the Furry picture
• Nonlinear lepton-photon interactions in external background fields
• Dynamically assisted tunneling in the impulse regime
• Condensed-matter analogs of the Sauter--Schwinger effect
• Effect of super-Gaussian pulse shape on pair production in chirped electric field with spatial inhomogeneity
• Pair Production in Real Proper Time and Unitarity Without Borel Ambiguity
• Dynamically assisted pair production in subcritical potential step and particle--anti-particle interpretations