{
  "annotation_id": "34b29926-b1d0-4ea1-9ae1-40c6774b4f02",
  "date_created": "2026-03-02T18:02:30.853000Z",
  "date_modified": "2026-03-02T18:02:30.853000Z",
  "file_hash": "060ace1b89dea18f912177487066eea383547f6aa225ad6ef8ec32c8436590d6",
  "private": false,
  "record": {
    "abstract": "We derive an inequality relating the entropy difference between two quantum\nstates to their trace norm distance, sharpening a well-known inequality due to\nM. Fannes. In our inequality, equality can be attained for every prescribed\nvalue of the trace norm distance.",
    "arxiv_id": "quant-ph/0610146",
    "authors": [
      "Koenraad M. R. Audenaert"
    ],
    "categories": [
      "quant-ph"
    ],
    "doi": "10.1088/1751-8113/40/28/S18",
    "journal_ref": "J. Phys. A 40, 8127--8136 (2007).",
    "title": "A Sharp Fannes-type Inequality for the von Neumann Entropy",
    "url": "https://arxiv.org/abs/quant-ph/0610146"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "0d039c0d-8347-435e-96c0-e1a6c5330d96",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}