<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9"><url><loc>https://thequantuminformation.com/p/thermal-states-of-quantum-spin-chains</loc><news:news><news:publication><news:name>The Quantum Information</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-09-30T14:00:08+00:00</news:publication_date><news:title>Thermal States of Quantum Spin Chains Can Be Prepared in Constant Depth</news:title></news:news></url><url><loc>https://thequantuminformation.com/p/good-quantum-codes-with-a-transversal</loc><news:news><news:publication><news:name>The Quantum Information</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-09-29T14:00:12+00:00</news:publication_date><news:title>Good Quantum Codes With a Transversal T Gate on Any Logical Qubit</news:title></news:news></url></urlset>