Bounded definition
A distinction between directly controlled physical degrees of freedom and encoded logical information distributed across them.
What the cited work establishes
The paper gives a quantum code construction that protects encoded information against specified single-qubit errors under its model.
The models, apparatus, protocols, datasets, and comparisons reported in Scheme for reducing decoherence in quantum computer memory.
Claims: urn:maha:claim:physical-and-logical-qubits
What remains a separate question
An encoded state is not automatically fault tolerant; syndrome extraction, gates, leakage, correlated errors, and decoding remain separate.
A code construction does not establish that a physical system operates below threshold or that its full control stack satisfies fault-tolerance assumptions.
Connected domain graph
Typed dependencies preserve publication state.
Only independently canonical records receive public links and relation statements. Draft graph topology remains private.
Linear-optical quantum computation
inbound connection · concept
Photonic encodings distinguish physical carriers from protected logical information.
Quantum error correction
outbound connection · method
Logical qubits are defined through an encoding and active error-correction procedure.
Quantum error correction
inbound connection · method
Error correction creates and maintains the physical-to-logical distinction.
Claim ledger
Every proposition keeps its own evidence state.
The cited code construction demonstrates that one logical state can be encoded across multiple physical qubits to correct specified error classes.
- Scope
- The models, apparatus, protocols, datasets, and comparisons reported in Scheme for reducing decoherence in quantum computer memory.
- Boundary
- An encoded state is not automatically fault tolerant; syndrome extraction, gates, leakage, correlated errors, and decoding remain separate.
- Uncertainty
- No platform-independent uncertainty interval exists; numerical values remain attached to the source experiment or model and its stated assumptions.
- Replication
- This candidate records one bounded source package. Independent replications and contradictory measurements must be compiled as separate records before maturity is upgraded.
Primary sources
Citation, locator, rights, and boundary travel together.
Source 1 · Physical Review A, American Physical Society
Scheme for reducing decoherence in quantum computer memory
Peter W. Shor
- Exact locator
- Abstract; encoding construction; error-correction argument.
- Establishes
- The paper gives a quantum code construction that protects encoded information against specified single-qubit errors under its model.
- Boundary
- A code construction does not establish that a physical system operates below threshold or that its full control stack satisfies fault-tolerance assumptions.
- Rights basis
- citation with paraphrase · Maha paraphrases the source-level result and links to the version of record; no article passage is reproduced.