# Qiskit Fermions: a modular toolbox for fermionic systems

DevFeed: [Qiskit Fermions: a modular toolbox for fermionic systems](<https://devfeed.tech/articles/qiskit-fermions-a-modular-toolbox-for-fermionic-systems-17346.md>)

Original publisher: [Read original article](<https://research.ibm.com/blog/qiskit-fermions>)

Published: 2026-08-24T14:30:00Z

Content type: release

Language: en

Sources: [IBM Research](<https://devfeed.tech/sources/ibm-research.md>)

Topics: [Quantum Computing](<https://devfeed.tech/topics/quantum-computing.md>), [Software](<https://devfeed.tech/topics/software.md>), [Simulation](<https://devfeed.tech/topics/simulation.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>)

Tags: [open-source](<https://devfeed.tech/tags/open-source.md>), [quantum](<https://devfeed.tech/tags/quantum.md>), [quantum-computing](<https://devfeed.tech/tags/quantum-computing.md>), [quantum-enablement](<https://devfeed.tech/tags/quantum-enablement.md>), [quantum-research](<https://devfeed.tech/tags/quantum-research.md>), [quantum-software](<https://devfeed.tech/tags/quantum-software.md>), [release](<https://devfeed.tech/tags/release.md>), [simulation](<https://devfeed.tech/tags/simulation.md>), [software](<https://devfeed.tech/tags/software.md>)

## AI overview

IBM introduces Qiskit Fermions, an open-source modular toolbox for expressing fermionic operators and circuits, defining fermion-to-qubit mappings, and compiling fermionic workflows into quantum circuits. The package preserves fermionic structure until transpilation and supports quantum simulation workflows in areas including quantum chemistry, condensed-matter physics, and materials science.

## Source excerpt

A new research tool for expressing fermionic operators, circuits, and mappings--and for building efficient fermionic algorithms.