Introduction to the Topical Issue high field QED physics

Yu, Tong-Pu; Пегораро, Ф.; Sarri, Gianluca; Reis, David A.

doi:10.1140/epjd/s10053-023-00617-5

Eur. Phys. J. D

2023

DOI: 10.1140/epjd/s10053-023-00617-5

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Introduction to the Topical Issue high field QED physics

Tong-Pu Yu

Ф. Пегораро

Gianluca Sarri

et al.

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2024

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Cited by 2 publications

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Bright X/$$\gamma$$-ray emission and lepton pair production by strong laser fields: a review

Yu,

Liu,

Zhao

et al. 2024

Rev. Mod. Plasma Phys.

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The advent of high-power ultra-short laser pulses opens up new frontiers of relativistic non-linear optics, high energy density physics and laboratory astrophysics. As the laser electric field in the particle rest frame approaches the Schwinger field $$E_{cr} = 1.3 \times 10^{18}\,\textrm{V} \textrm{m}^{-1}$$ E cr = 1.3 × 10 18 V m - 1 , the laser interaction with matter enters into the quantum electrodynamics (QED) dominated regime, where extremely rich non-linear phenomena take place, such as a violent acceleration of charged particles, copious lepton pair production, and ultra-brilliant X/$$\gamma$$ γ -ray emission. Among them, X/$$\gamma$$ γ -ray emission based on the laser-plasma is generally characterized by large photon flux, high brilliance, small source size, and high photon energy, which can even annihilate into lepton pairs by colliding with photons. Though various schemes have been proposed for bright high-energy photon emission and lepton generation and acceleration, many predictions remain to be confirmed and thoroughly tested in experiments. In this review, we introduce recent advances in bright X/$$\gamma$$ γ -ray radiation and lepton pair generation in the QED regime by the interaction of relativistic intense lasers with various plasma targets. The characteristics of the radiation and secondary particles generated via these schemes are summarized, and the experimental progresses are elaborated.

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Bright X/$$\gamma$$-ray emission and lepton pair production by strong laser fields: a review

Yu,

Liu,

Zhao

et al. 2024

Rev. Mod. Plasma Phys.

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Lattice QED in an external magnetic field: Evidence for dynamical chiral symmetry breaking

Kogut,

Sinclair

2024

Phys. Rev. D

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We simulate quantum electrodynamics (QED) in a strong constant homogeneous external magnetic field on a Euclidean space-time lattice using the rational hybrid Monte Carlo method, developed for simulating lattice quantum chromodynamics (QCD). Our primary goal is to measure the chiral condensate in the limit when the input electron mass m is zero. We observe a nonzero value, indicating that the external magnetic field catalyzes chiral symmetry breaking as predicted by approximate truncated Schwinger-Dyson methods. Such behavior is associated with dominance by the lowest Landau level which causes the effective dimensional reduction from 3+1 dimensions to 1+1 dimensions for charged particles (electrons and positrons) where the attractive forces of QED can produce chiral symmetry breaking with a dynamical electron mass and associated chiral condensate. Since our lattice simulations use bare (lattice) parameters, while the Schwinger-Dyson analyses work with renormalized quantities, direct numerical comparison will require renormalization of our lattice results. Published by the American Physical Society 2024

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Introduction to the Topical Issue high field QED physics

Cited by 2 publications

References 11 publications

Bright X/$$\gamma$$-ray emission and lepton pair production by strong laser fields: a review

Bright X/$$\gamma$$-ray emission and lepton pair production by strong laser fields: a review

Lattice QED in an external magnetic field: Evidence for dynamical chiral symmetry breaking

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