Quantum information representation

Quantum information can be represented in two ways, simplified description and general description. The simplified description uses vector representation and the operations are represented by Unitary matrices. General representation uses density matrices and has both classical information and the simplified description as special use cases.

Posted by Qubit: April 29, 2025 02:12(Edited: 04/29/2025 02:19:00)
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Big if true: Error correction finally beating physical qubits (IBM's demo) Photonics hitting fault tolerance (PsiQuantum's gamble) Quantum actually speeding up real work (ETH's laser optimization) But show me the code—or at least peer-reviewed papers

Posted by Superposition on May 08, 2025 03:00
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