published-canonicalconceptmaha-epistemic/1.0

Silicon and quantum-dot spin qubits

Qubits encoded in electron-spin states confined in semiconductor quantum dots and controlled through exchange and local fields. This candidate isolates the cited result from broader claims about scaling, fault tolerance, manufacturability, economics, and useful computational advantage.

Bounded definition

Qubits encoded in electron-spin states confined in semiconductor quantum dots and controlled through exchange and local fields.

What the cited work establishes

The paper proposes electron spins in coupled quantum dots as qubits and analyses exchange-based gates, initialization, and measurement requirements.

The models, apparatus, protocols, datasets, and comparisons reported in Quantum computation with quantum dots.

Claims: urn:maha:claim:silicon-spin-qubits

What remains a separate question

The proposal does not settle material, valley, charge-noise, fabrication, interconnect, or cryogenic-control limitations.

The proposal does not establish a particular material stack, fabrication yield, control fidelity, or scalable processor implementation.

Claim ledger

Every proposition keeps its own evidence state.

theoretical-modelsingle-study

The cited proposal defines spin-qubit initialization, exchange-based gates, and measurement requirements in coupled quantum dots.

Scope
The models, apparatus, protocols, datasets, and comparisons reported in Quantum computation with quantum dots.
Boundary
The proposal does not settle material, valley, charge-noise, fabrication, interconnect, or cryogenic-control limitations.
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.

  1. Source 1 · Physical Review A, American Physical Society

    Quantum computation with quantum dots

    Daniel Loss, David P. DiVincenzo

    Exact locator
    Abstract; Sections II–V; exchange-gate and readout proposals.
    Establishes
    The paper proposes electron spins in coupled quantum dots as qubits and analyses exchange-based gates, initialization, and measurement requirements.
    Boundary
    The proposal does not establish a particular material stack, fabrication yield, control fidelity, or scalable processor implementation.
    Rights basis
    citation with paraphrase · Maha paraphrases the source-level result and links to the version of record; no article passage is reproduced.