Quantum Computing

News – Google’s Quantum Advantage Oct 23 2025

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A verifiable quantum advantage https://research.google/blog/a-verifiable-quantum-a dvantagehttps://www.theguardian.com/technology/2025/oct/22/google-hails-breakthrough-as-quantum-computer-surpasses-ability-of-supercomputersGoogle unveils quantum computing breakthrough on Willow chiphttps://www.afr.com/technology/google-unveils-quantum-computing-breakthrough-on-willow-chip-20251023-p5n4m8Google claims ‘quantum advantage’ again — but researchers are scepticalhttps://www.nature.com/articles/d41586-025-03300-4Observation of constructive interference at the edge of quantum ergodicityhttps://www.nature.com/articles/s41586-025-09526-6 Key Claims: D. A. Abanin, “Observation of constructive interference at the edge of quantum ergodicity”.

Quantum Computing – Gates Basics

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C. P. Williams, Explorations in Quantum Computing. in Texts in Computer Science. London: Springer, 2011. doi: 10.1007/978-1-84628-887-6. Defining a unitary matrix, where $U^{-1} = U^\dagger $ (inverse equals its conjugate transpose). Pauli matrices: $1 = \begin{pmatrix} 1 & 0 \\ 0 & 1 \end{pmatrix}$ $X = \begin{pmatrix} 0 & 1 \\ 1 & 0 \end{pmatrix}$ ... Read More

Quantum Computing

by ComputingNotes
C. P. Williams, Explorations in Quantum Computing. in Texts in Computer Science. London: Springer, 2011. doi: 10.1007/978-1-84628-887-6.

Nobel Prize in Physics 2025 for Discoveries in Quantum Mechanics

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https://www.nobelprize.org/prizes/physics/2025/press-release https://www.abc.net.au/news/2025-10-07/scientists-physics-nobel-prize-quantum-mechanics-discovery/105863766 Quantum Mechanical Tunneling All Images are from: https://www.nobelprize.org/prizes/physics/2025/press-release/ “The illustrations are free to use for non-commercial purposes. Attribute ©Johan Jarnestad/The Royal Swedish Academy of Sciences” https://www.nobelprize.org/uploads/2025/10/popular-physicsprize2025-2.pdf https://www.nobelprize.org/uploads/2025/10/advanced-physicsprize2025.pdf

Quantum Key Distribution

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https://github.com/qiskit-community/qiskit-community-tutorials/blob/master/awards/teach_me_qiskit_2018/quantum_cryptography_qkd/Quantum_Cryptography2.ipynb

Quantum Communication Protocols

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https://quantum.cloud.ibm.com/learning/en/courses/utility-scale-quantum-computing/teleportation How to send quantum state from Alice to Bob? Protocol: https://quantum.cloud.ibm.com/learning/en/courses/basics-of-quantum-information/entanglement-in-action/introduction https://quantum.microsoft.com/en-us/insights/education/concepts/quantum-teleportation
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