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researcher

A. Kästner

3 papers hereh-index 11 citations7 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author2
  • middle author1

Across the 3 of 3 papers where every author was matched, so the position is known.

fields
  • physics.atom-ph2
  • cs.AI1

identity via Semantic Scholar / OpenAlex

most citedElectron-energy bunching in laser-driven soft recollisions

147 citations · 182 across the 3 of their papers we have counts for

collaborators

3 papers

cs.AI2026

A dataset of rated conceptual arguments

Emery Cooper, Caspar Oesterheld, Linh Chi Nguyen +2

Large language models have improved rapidly on tasks with verifiable answers, such as mathematics and programming. Much less is known about their ability to reason about what we ca…

physics.atom-ph2011★ 35 cited

Energy bunching in soft recollisions revealed with long-wavelength few-cycle pulses

Alexander Kästner, Ulf Saalmann, Jan M. Rost

Soft recollisions are laser-driven distant collisions of an electron with its parent ion. Such collisions may cause an energy bunching, since electrons with different initial drift…

physics.atom-ph2011★ 147 cited

Electron-energy bunching in laser-driven soft recollisions

Alexander Kästner, Ulf Saalmann, Jan M. Rost

We introduce soft recollisions in laser-matter interaction. They are characterized by the electron missing the ion upon recollision in contrast to the well-known head-on collisions…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.