Greger Torgrimsson

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090-786 59 03

Verksam som

Forskare vid Institutionen för fysik Enhet: Quantum field theory in strong background fields

Fysikhuset, plan 2, Linnaeus väg 24, 2-0524 Umeå universitet, 901 87 Umeå SE

Worldline instantons for nonperturbative particle production by space and time dependent gravitational fields

Physical Review D: covering particles, fields, gravitation, and cosmology, American Physical Society 2026, Vol. 113, (5)

Semrén, Philip; Torgrimsson, Greger

Scattered wave functions and worldline instantons for particle production in curved spacetime

Physical Review D: covering particles, fields, gravitation, and cosmology, American Physical Society 2026, Vol. 114, (4)

Semrén, Philip; Torgrimsson, Greger

Schwinger pair production in spacetime fields: Moiré patterns, Aharonov-Bohm phases, and Sturm-Liouville eigenvalues

Physical Review D: covering particles, fields, gravitation, and cosmology, American Physical Society 2025, Vol. 112, (1)

Esposti, Gianluca Degli; Torgrimsson, Greger

Nonlinear trident using WKB and worldline instantons

Physical Review D: covering particles, fields, gravitation, and cosmology, American Physical Society 2025, Vol. 112, (3) : 1-32

Esposti, Gianluca Degli; Torgrimsson, Greger

Momentum correlation in pair production by spacetime dependent fields from scattered wave functions

Physical Review D: covering particles, fields, gravitation, and cosmology, American Physical Society 2025, Vol. 112, (11) : 1-11

Torgrimsson, Greger

Momentum spectrum of Schwinger pair production in four-dimensional e-dipole fields

Physical Review D: covering particles, fields, gravitation, and cosmology, American Physical Society 2024, Vol. 109, (1)

Degli Esposti, Gianluca; Torgrimsson, Greger

Momentum spectrum of nonlinear Breit-Wheeler pair production in spacetime fields

Physical Review D: covering particles, fields, gravitation, and cosmology, American Physical Society 2024, Vol. 110, (7)

Esposti, Gianluca Degli; Torgrimsson, Greger

Quantum radiation reaction: Analytical approximations and obtaining the spectrum from moments

Physical Review D: covering particles, fields, gravitation, and cosmology, American Physical Society 2024, Vol. 110, (7)

Torgrimsson, Greger

Quantum radiation reaction spectrum of electrons in plane waves

Physical Review D: covering particles, fields, gravitation, and cosmology, American Physical Society 2024, Vol. 109, (7)

Torgrimsson, Greger

Plasma dynamics at the Schwinger limit and beyond

Physical review. E, American Physical Society 2023, Vol. 107, (3)

Brodin, Gert; Al-Naseri, Haidar; Zamanian, Jens; et al.

Worldline instantons for the momentum spectrum of Schwinger pair production in spacetime dependent fields

Physical Review D: covering particles, fields, gravitation, and cosmology, American Physical Society 2023, Vol. 107, (5)

Degli Esposti, Gianluca; Torgrimsson, Greger

Advances in QED with intense background fields

Physics reports, Elsevier 2023, Vol. 1010 : 1-138

Fedotov, A.; Ilderton, A.; Karbstein, F.; et al.

Resummation of the α expansion for nonlinear pair production by an electron in a strong electromagnetic field

Physical Review D: covering particles, fields, gravitation, and cosmology, American Physical Society 2023, Vol. 107, (1)

Torgrimsson, Greger

Worldline instantons for nonlinear Breit-Wheeler pair production and Compton scattering

Physical Review D: covering particles, fields, gravitation, and cosmology, American Physical Society 2022, Vol. 105, (9)

Degli Esposti, Gianluca; Torgrimsson, Greger

Scattering in plane-wave backgrounds: infrared effects and pole structure

Physical Review D, American Physical Society 2013, Vol. 87, (8)

Ilderton, Anton; Torgrimsson, Greger

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