{
  "annotation_id": "3a9a1890-16a9-406c-a099-13e085428387",
  "date_created": "2026-02-17T05:53:12.327000Z",
  "date_modified": "2026-02-17T05:53:12.327000Z",
  "file_hash": "afa6c926790b0c3be78ee1f29065b6cfe999521824f8792fffc53ecee1e78ee0",
  "private": false,
  "record": {
    "abstract": "In this note we explore computational algebraic geometry techniques to compute $14^{th}$ Helicity Trace Index of 4--charge, $\\frac{1}{8}$--BPS, $\\mathcal{N}=8$ pure D-brane configurations dual to D1--D5--P--KK monopole dyonic black holes. We extend the analysis of our previous work \\cite{Chowdhury:2023wss} to higher values of charges and fix subtleties involving compatible gauge choices for $(1,1,1,N)$ charge configurations. For explicit SUSY state counting, we use a parametric monodromy method for the 4--charge $(1,1,1,5)$ and $(1,1,1,6)$ configurations and find that the results match the U--dual picture. By a different choice of the R--symmetry representations, it is possible to explicitly break all supersymmetry and study (non--)abelian static matrix models versions as 4--charge non--BPS pure D-brane systems \\cite{Mondal:2024qyn}. Using analytical Gr\\\"{o}bner bases we show that the potential has no zero energy configuration. The higher end of the spectrum asymptotes towards the Coulomb branch local minima manifold representing unbounded D--brane configurations, and the Mixed branch global minima represent bound states at parametrically lower values of the potential. We developed physics--inspired computational techniques to deform the potentials and lift the flat directions, thereby counting the low--energy states with degeneracy.",
    "arxiv_id": "2601.07927",
    "authors": [
      "Sourav Maji",
      "Abhishek Chowdhury"
    ],
    "categories": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "title": "Note on Pure D-brane (non--)BPS Black Hole Microstate Counting in Type IIA Superstring Theory",
    "url": "https://arxiv.org/abs/2601.07927",
    "version": "v1"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "a06882aa-1098-4744-9006-065c94b98716",
    "id": "arXiv Dataset",
    "type": "Model",
    "variant": "snapshot-2026-01-17",
    "version": "0.1.0"
  },
  "user_id": 1000002
}