# Quantum Computing

**URL:** https://discuss.pennylane.ai/c/quantum-computing/31.md

[Latest](https://discuss.pennylane.ai/latest.md) · [Categories](https://discuss.pennylane.ai/categories.md)

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## [About the Quantum Computing category](https://discuss.pennylane.ai/t/about-the-quantum-computing-category/9274)

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**Author:** [@CatalinaAlbornoz](https://discuss.pennylane.ai/u/CatalinaAlbornoz)\
**Replies:** 0\
**Last updated:** [February 26, 2026, 5:09pm UTC](https://discuss.pennylane.ai/t/about-the-quantum-computing-category/9274 "2026-02-26T17:09:42Z")

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For all things quantum computing.

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## [VQLS 26 qubits speed](https://discuss.pennylane.ai/t/vqls-26-qubits-speed/9538)

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**Author:** [@danilo.pau](https://discuss.pennylane.ai/u/danilo.pau)\
**Replies:** 0\
**Last updated:** [October 8, 2026, 10:51am UTC](https://discuss.pennylane.ai/t/vqls-26-qubits-speed/9538 "2026-10-08T10:51:35Z")

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Hello , I am looking to solve the problem in the subject at 26 qubits in less than a hour accurately at edge server premises low power. Today a single steps with Pennylane run in 50 min on RTX6000 Blackwell in less than…

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## [Quantum walk on the heptaract: depth-2 perfect state transfer + pitch invariance — seeking hardware verification](https://discuss.pennylane.ai/t/quantum-walk-on-the-heptaract-depth-2-perfect-state-transfer-pitch-invariance-seeking-hardware-verification/9325)

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**Author:** [@Miah\_Fry](https://discuss.pennylane.ai/u/Miah_Fry)\
**Replies:** 4\
**Last updated:** [August 17, 2026, 3:26pm UTC](https://discuss.pennylane.ai/t/quantum-walk-on-the-heptaract-depth-2-perfect-state-transfer-pitch-invariance-seeking-hardware-verification/9325 "2026-08-17T15:26:18Z")

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Hey PennyLane community — Built something I’d love eyes on and ideally a hardware run. \*\*What it is:\*\* A continuous-time quantum walk on the 7-cube (heptaract) that achieves perfect state transfer from |0000000⟩ to |11…

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## [CleitonForge: neutral Rust benchmarking found Rz sign convention bug (fidelity = 0.0 on QAOA)](https://discuss.pennylane.ai/t/cleitonforge-neutral-rust-benchmarking-found-rz-sign-convention-bug-fidelity-0-0-on-qaoa/9410)

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**Author:** [@cleiton\_augusto](https://discuss.pennylane.ai/u/cleiton_augusto)\
**Replies:** 3\
**Last updated:** [July 16, 2026, 2:38am UTC](https://discuss.pennylane.ai/t/cleitonforge-neutral-rust-benchmarking-found-rz-sign-convention-bug-fidelity-0-0-on-qaoa/9410 "2026-07-16T02:38:24Z")

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Hi PennyLane community! I built CleitonForge, a neutral benchmarking framework that routes identical quantum circuits through multiple Rust-native backends simultaneously and compares statevector fidelity. No Python sim…

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## [Quantum key distribution](https://discuss.pennylane.ai/t/quantum-key-distribution/9399)

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**Author:** [@krish\_18](https://discuss.pennylane.ai/u/krish_18)\
**Replies:** 1\
**Last updated:** [July 10, 2026, 1:33am UTC](https://discuss.pennylane.ai/t/quantum-key-distribution/9399 "2026-07-10T01:33:44Z")

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i want to know fullly and detailed abuut quantum key distribution including practical ways implementation with pennylane

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## [Regarding the lecture of pennylane](https://discuss.pennylane.ai/t/regarding-the-lecture-of-pennylane/9321)

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**Author:** [@ajcodes](https://discuss.pennylane.ai/u/ajcodes)\
**Replies:** 3\
**Last updated:** [May 8, 2026, 1:32am UTC](https://discuss.pennylane.ai/t/regarding-the-lecture-of-pennylane/9321 "2026-05-08T01:32:19Z")

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Hi @CatalinaAlbornoz, I’ve been following your lectures on PennyLane via the Wiser platform and found them incredibly insightful. The way you bridge the gap between quantum theory and differentiable programming is amazi…

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## [Training QSP Phase Angles Directly with Gradient Descent](https://discuss.pennylane.ai/t/training-qsp-phase-angles-directly-with-gradient-descent/9320)

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**Author:** [@rosspeili](https://discuss.pennylane.ai/u/rosspeili)\
**Replies:** 1\
**Last updated:** [April 30, 2026, 6:31pm UTC](https://discuss.pennylane.ai/t/training-qsp-phase-angles-directly-with-gradient-descent/9320 "2026-04-30T18:31:07Z")

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Quantum Signal Processing (QSP) is one of those beautiful algorithms that promises to turn a few qubits and some carefully chosen rotation angles into useful polynomial transformations. It’s a foundational block for Hami…