Level truncation analysis of regularized identity based solutions

E. Aldo Arroyo

Level truncation analysis of regularized identity based solutions

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arxiv 1109.5354 v2 pith:KCQ2NPJH submitted 2011-09-25 hep-th

E. Aldo Arroyo This is my paper · ORCID

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keywords levelsolutionsvacuumenergyidentityregularizedtruncationagreement

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We evaluate the vacuum energy of regularized identity based solutions through level truncation computations in open bosonic string field theory. We show that the level truncated solutions bring a value of the vacuum energy expected for the tachyon vacuum in agreement with Sen's first conjecture.

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Numerical solution for tachyon vacuum in the Schnabl gauge
hep-th 2019-08 conditional novelty 6.0 of 10

A new level-truncation method reaches level 24 in the Schnabl gauge and shows the tachyon vacuum energy has a local minimum at level 12 before extrapolating toward the analytic value -1.

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