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Direct Energy Conversion for a D–³He Magnetic-Mirror Burner: The Electron Channel is the Larger Axial Stream

P. I. Ford, G. L. Kulcinski · Kronos Fusion Energy · 2026 · Open on Zenodo · in preparation

Power Conversion · DEC

Abstract

Shows that the conventional framing of advanced-fuel direct energy conversion describes the birth spectrum, not the axial loss channel: at reactor temperatures the recoverable stream is a directed electron flow that no published converter recovers. Proposes a quasineutral two-species expander — the ambipolar magnetic nozzle run backward — with a pre-registered bench program to test it.

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This paper is Open Access (CC BY 4.0). Every headline number regenerates from the named script and archived data in the deposit above; requirement-class assumptions and open risks are stated in the manuscript rather than absorbed into a single optimum. No financial or commercial information appears in this work.

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