<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Quantum Many-Body Physics | Xiangling Xu 许湘灵</title><link>https://xiangling-xu.github.io/tags/quantum-many-body-physics/</link><atom:link href="https://xiangling-xu.github.io/tags/quantum-many-body-physics/index.xml" rel="self" type="application/rss+xml"/><description>Quantum Many-Body Physics</description><generator>Hugo Blox Builder (https://hugoblox.com)</generator><language>en-us</language><lastBuildDate>Wed, 03 Jun 2026 00:00:00 +0000</lastBuildDate><image><url>https://xiangling-xu.github.io/media/sharing.png</url><title>Quantum Many-Body Physics</title><link>https://xiangling-xu.github.io/tags/quantum-many-body-physics/</link></image><item><title>The bulk spectral gap is semi-decidable: a convergent family of certified upper bounds</title><link>https://xiangling-xu.github.io/publication/xu-2026-bulkspectralgapsemidecidable/</link><pubDate>Wed, 03 Jun 2026 00:00:00 +0000</pubDate><guid>https://xiangling-xu.github.io/publication/xu-2026-bulkspectralgapsemidecidable/</guid><description/></item></channel></rss>