Search Results - "Ridgers, C."
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1
Experimental Signatures of the Quantum Nature of Radiation Reaction in the Field of an Ultraintense Laser
Published in Physical review. X (05-07-2018)“…The description of the dynamics of an electron in an external electromagnetic field of arbitrary intensity is one of the most fundamental outstanding problems…”
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2
Quantum radiation reaction in laser-electron-beam collisions
Published in Physical review letters (10-01-2014)“…It is possible using current high-intensity laser facilities to reach the quantum radiation reaction regime for energetic electrons. An experiment using a…”
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3
Reaching supercritical field strengths with intense lasers
Published in New journal of physics (29-05-2019)“…It is conjectured that all perturbative approaches to quantum electrodynamics (QED) break down in the collision of a high-energy electron beam with an intense…”
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4
The effect of nonlinear quantum electrodynamics on relativistic transparency and laser absorption in ultra-relativistic plasmas
Published in New journal of physics (24-04-2015)“…With the aid of large-scale three-dimensional quantum electrodynamics (QED)-particle-in-cell simulations, we describe a potential experimental configuration to…”
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5
Modelling gamma-ray photon emission and pair production in high-intensity laser–matter interactions
Published in Journal of computational physics (01-03-2014)“…In high-intensity (>1021 Wcm−2) laser–matter interactions gamma-ray photon emission by the electrons can strongly affect the electronʼs dynamics and copious…”
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6
Dense electron-positron plasmas and ultraintense γ rays from laser-irradiated solids
Published in Physical review letters (20-04-2012)“…In simulations of a 10 PW laser striking a solid, we demonstrate the possibility of producing a pure electron-positron plasma by the same processes as those…”
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7
Identifying the electron-positron cascade regimes in high-intensity laser-matter interactions
Published in New journal of physics (30-01-2019)“…Strong-field quantum electrodynamics predicts electron-seeded electron-positron pair cascades when the electric field in the rest-frame of the seed electron…”
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8
Experimental Evidence of Radiation Reaction in the Collision of a High-Intensity Laser Pulse with a Laser-Wakefield Accelerated Electron Beam
Published in Physical review. X (07-02-2018)“…The dynamics of energetic particles in strong electromagnetic fields can be heavily influenced by the energy loss arising from the emission of radiation during…”
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9
Measurement of Magnetic Cavitation Driven by Heat Flow in a Plasma
Published in Physical review letters (07-07-2023)“…We describe the direct measurement of the expulsion of a magnetic field from a plasma driven by heat flow. Using a laser to heat a column of gas within an…”
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10
Prospects for high gain inertial fusion energy: an introduction to the first special edition
Published in Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences (13-11-2020)“…A European consortium of 15 laboratories across nine nations have worked together under the EUROFusion Enabling Research grants for the past decade with three…”
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11
Efficient ion acceleration and dense electron-positron plasma creation in ultra-high intensity laser-solid interactions
Published in New journal of physics (26-03-2018)“…The radiation pressure of next generation ultra-high intensity (>1023 W cm−2) lasers could efficiently accelerate ions to GeV energies. However, nonlinear…”
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12
The inadequacy of a magnetohydrodynamic approach to the Biermann battery
Published in Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences (25-01-2021)“…Magnetic fields can be generated in plasmas by the Biermann battery when the electric field produced by the electron pressure gradient has a curl. The commonly…”
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13
Laser absorption in relativistically underdense plasmas by synchrotron radiation
Published in Physical review letters (14-12-2012)“…A novel absorption mechanism for linearly polarized lasers propagating in relativistically underdense solids in the ultrarelativistic (a ~ 100) regime is…”
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14
Investigation of QED Effects With Varying Z in Thin Foil Targets
Published in IEEE transactions on plasma science (01-02-2021)“…Quantum electrodynamics (QED) effects in intense laser-plasma interaction were investigated using particle-in-cell (PIC) simulations, specifically the…”
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15
Observations of pressure anisotropy effects within semi-collisional magnetized plasma bubbles
Published in Nature communications (12-01-2021)“…Magnetized plasma interactions are ubiquitous in astrophysical and laboratory plasmas. Various physical effects have been shown to be important within…”
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16
QED cascade saturation in extreme high fields
Published in Scientific reports (30-05-2018)“…Upcoming ultrahigh power lasers at 10 PW level will make it possible to experimentally explore electron-positron ( e − e + ) pair cascades and subsequent…”
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17
Realising single-shot measurements of quantum radiation reaction in high-intensity lasers
Published in New journal of physics (22-05-2019)“…Modern laser technology is now sufficiently advanced that collisions between high-intensity laser pulses and laser-wakefield-accelerated (LWFA) electron beams…”
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18
Strong Radiation-Damping Effects in a Gamma-Ray Source Generated by the Interaction of a High-Intensity Laser with a Wakefield-Accelerated Electron Beam
Published in Physical review. X (01-10-2012)“…A number of theoretical calculations have studied the effect of radiation-reaction forces on radiation distributions in strong-field counterpropagating…”
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19
Effect of laser temporal intensity skew on enhancing pair production in laser—electron-beam collisions
Published in New journal of physics (01-09-2021)“…Abstract Recent high-intensity laser experiments (Cole et al 2018 Phys. Rev. X 8 011020; Poder et al 2018 Phys. Rev. X 8 031004) have shown evidence of strong…”
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20
Models of thermal conduction and non-local transport of relevance to space physics with insights from laser–plasma theory
Published in Frontiers in astronomy and space sciences (26-04-2023)“…Models of solar and space plasmas require an accurate model for thermal transport. The simplest such model is to assume that the fluid approach is valid and…”
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