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Trapped surface formation for the Einstein-Weyl spinor system (2509.14525v1)
Published 18 Sep 2025 in gr-qc, math-ph, and math.MP
Abstract: We prove trapped-surface formation for the Einstein-Weyl spinor system (gravity coupled to a massless left-handed two-spinor) without any symmetry assumption. To this end we establish a semi-global solution under double null foliation and show that the focusing of the gravitational waves and the Weyl spinor flux leads to the formation of a trapped surface.
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