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TensorMixedStates: A Julia library for simulating pure and mixed quantum states using matrix product states, by Jérôme Houdayer, Grégoire Misguich

SciPost Quantum
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⚡ Quantum Brief
Researchers Jérôme Houdayer and Grégoire Misguich released a new Julia library in June 2026 for simulating pure and mixed quantum states using matrix product states (MPS), bridging a gap in open-source quantum simulation tools. The library, optimized for tensor network methods, enables efficient computation of large-scale quantum systems by leveraging MPS—critical for studying entanglement and thermal states in condensed matter physics. It supports both pure and mixed quantum states, a rare feature in existing MPS frameworks, expanding its utility for modeling noise-prone quantum systems like those in NISQ-era devices. Published in a peer-reviewed codebase repository, the tool includes documentation and benchmarks, ensuring reproducibility and accessibility for researchers in quantum many-body physics. The release aligns with growing demand for scalable quantum simulation software, offering a high-performance alternative to proprietary solutions in academia and industry.
TensorMixedStates: A Julia library for simulating pure and mixed quantum states using matrix product states, by Jérôme Houdayer, Grégoire Misguich

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Source: SciPost Quantum