
<p>This episode of the <em>Physics World Weekly</em> podcast features <a href="https://perimeterinstitute.ca/people/timothy-hsieh">Tim Hsieh</a> of Canada’s Perimeter Institute for Theoretical Physics. We explore some of today’s hottest topics in quantum science and technology – including topological phases of matter; quantum error correction and quantum simulation.</p>

<p>Our conversation begins with an exploration of the quirky properties quantum matter and how these can be exploited to create quantum technologies. We look at the challenges that must be overcome to create large-scale quantum computers; and Hsieh reveals which problem he would solve first if he had access to a powerful quantum processor.</p>
<p>This interview was recorded earlier this autumn when I had the pleasure of visiting the Perimeter Institute and speaking to four physicists about their research. This is the third of those conversations to appear on the podcast.</p>
<p>The first interview in this series from the Perimeter Institute was with Javier Toledo-Marín, “<a href="https://physicsworld.com/a/quantum-computing-and-ai-join-forces-for-particle-physics/">Quantum computing and AI join forces for particle physics</a>”; and the second was with Bianca Dittrich, &#8220;<a href="https://physicsworld.com/a/quantum-gravity-we-explore-spin-foams-and-other-potential-solutions/">Quantum gravity: we explore spin foams and other potential solutions to this enduring challenge</a>&#8220;.</p>
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<p><a href="https://summit.aps.org/"><img fetchpriority="high" decoding="async" class="alignnone wp-image-125085 size-post-featured-image" src="https://physicsworld.com/wp-content/uploads/2025/11/APS-logo-635x144.jpg" alt="APS logo" width="635" height="144" srcset="https://physicsworld.com/wp-content/uploads/2025/11/APS-logo-635x144.jpg 635w, https://physicsworld.com/wp-content/uploads/2025/11/APS-logo-211x48.jpg 211w, https://physicsworld.com/wp-content/uploads/2025/11/APS-logo-317x72.jpg 317w, https://physicsworld.com/wp-content/uploads/2025/11/APS-logo-720x164.jpg 720w, https://physicsworld.com/wp-content/uploads/2025/11/APS-logo-350x80.jpg 350w, https://physicsworld.com/wp-content/uploads/2025/11/APS-logo-257x58.jpg 257w, https://physicsworld.com/wp-content/uploads/2025/11/APS-logo-300x68.jpg 300w, https://physicsworld.com/wp-content/uploads/2025/11/APS-logo-160x36.jpg 160w, https://physicsworld.com/wp-content/uploads/2025/11/APS-logo-128x29.jpg 128w, https://physicsworld.com/wp-content/uploads/2025/11/APS-logo.jpg 726w" sizes="(max-width: 635px) 100vw, 635px" /></a></p>
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<p>This episode is supported by the <a href="https://summit.aps.org/">APS Global Physics Summit</a>, which takes place on 15–20 March, 2026, in Denver, Colorado, and online.</p>
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