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COMPANY RESEARCH · Software & applications

Phasecraft

Designs circuits and quantum algorithms for interacting-electron models and materials research. Its public database helps readers inspect estimated qubit and circuit-depth requirements for candidate materials.

Official website ↗
United Kingdom · Research reviewed 7 Sept 2026

Latest record: 1 evidence source added · axis ratings unchanged.

Review history 2 records

Record dates use UTC and show when an assessment or clarification was saved. Review dates show the evidence check. Earlier records were recovered from QubitWire’s source history; no earlier score movement is inferred.

Identity & attribution
Organization record
Phasecraft (organization-054)
Recorded role
Quantum algorithms for materials simulation and optimization
Recorded aliases
No aliases recorded in this assessment.
Name and period
No dated name or ownership transition is recorded here. An alias is a search aid, not evidence of a legal ownership relationship.
Product scope
Quantum algorithms: materials simulation and many-body physics

A company profile may discuss several systems. Capabilities remain attached to the product and conditions named in each source; they do not transfer automatically to related organizations. A verified security relationship has not been attached to this record.

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TECHNOLOGY & ACCESS

What it does. Where it fits.

Quantum algorithms: materials simulation and many-body physics

Who should look closer

Materials researchers and readers evaluating what quantum simulation experiments actually establish.

QubitWire’s editorial assessment of practical fit.

Explore materials resource estimates

The public database explains circuit resources and the modeling pipeline. These are resource estimates, not a cloud service that performs completed materials discovery.

Check the current access route ↗
DOCUMENTED EVIDENCE

What the sources establish

Two preprints report programmable Fermi-Hubbard dynamics using 56 qubits on Quantinuum H2 and 72 qubits on Google Willow. Both use exact classical checks where feasible and discuss comparisons with approximate methods.

arXiv paper · 2510.26300 ↗arXiv paper · 2510.26845 ↗

What remains unresolved

A simplified electron model is not a completed commercial materials-discovery workflow. Exceeding exact state-vector simulation does not establish superiority over every approximate classical algorithm.

The next question to watch

Can these methods produce independently validated material predictions with a useful advantage after the full classical and quantum workflow is counted?

A research question, not a promised milestone.

QubitWire coverage

No published QubitWire stories currently match this organization. The evidence sources below provide the starting point.

Open research questions

Editorial questions for this profile. No reviewed closure decision has been recorded; unanswered questions do not lower the official score.

Open research question

Can these methods produce independently validated material predictions with a useful advantage after the full classical and quantum workflow is counted?

What evidence would help

A source addressing this question must identify the named system, experiment or deployment, its conditions, measured outcome and remaining limitations. Does the result count sampling, mitigation and classical processing costs?

What would resolve it?

An editorial review must explain which part of this question the evidence resolves. A roadmap or an announcement alone does not close it.

No resolved, partial or disputed outcome is asserted without a reviewed transition and its evidence.

Suggest evidence
Open research question

Which named system or service can I use under the documented access route?

What evidence would help

Check the current terms for explore materials resource estimates. Identify the system version, eligibility, restrictions and whether the result used hardware or simulation.

What would resolve it?

Current primary documentation must identify the offering, eligible user and access conditions. An unspecified company-level access claim is insufficient.

No resolved, partial or disputed outcome is asserted without a reviewed transition and its evidence.

Suggest evidence
Open research question

Does the tool support your intended hardware and workflow?

What evidence would help

Provide the source location, relevant product or generation, workload, resource constraints and reported uncertainty. Keep measurements, simulations and announced targets distinct.

What would resolve it?

A source reviewer must map the evidence to this exact scope. Missing disclosure remains unknown; it is not technical failure.

No resolved, partial or disputed outcome is asserted without a reviewed transition and its evidence.

Suggest evidence

Questions are drawn from the existing brief and sector reading guide. Research brief reviewed 7 Sept 2026. Following stores a local bookmark; it does not send email alerts or imply a scheduled review.

Since your review

Scope: Phasecraft. Reading a page never marks its records reviewed.

Keep a baseline and explicitly mark the evidence you have reviewed. This optional journal stays in this browser.

Existing material records remain available after setup. Routine rechecks and initial entries are excluded from material counts.

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From claim to assessment

These are the existing assessment claims and their recorded criterion links. A source link is not an independent replication. New research does not change these published ratings automatically.

Source references in method 1.0 · assessment reviewed 6 Sept 2026
Recorded claim & sourceAssessment linkageProvenance & limits
Source 1

Phasecraft-associated researchers and Quantinuum collaborators report 56-qubit Hubbard-model dynamics with tractable exact checks.

Fermionic dynamics on a trapped-ion quantum computer beyond exact classical simulation ↗Published 30 Oct 2025
Exact source location

No page, figure or section locator is recorded. Open the source and check the claim in its original context.

Capability

Experiments across three hardware platforms report defined physics workloads with explicit classical-comparison limits.

Use in practice

Hardware collaborations demonstrate specific research applications; end-customer operational adoption is not established.

Integration

Research demonstrates compatibility with multiple processor platforms and a public resource database.

Published rating inputs remain unchanged.		Organization-originated source

Source type: paper. Independent replication, experiment date and source-version fingerprint are not separately recorded.

Product and measurement scope: read the named system and conditions in this claim. No normalized product revision is assigned.

Review recorded 6 Sept 2026. Research brief reviewed 7 Sept 2026. These dates do not establish publication or experiment dates.

Report an issue with this claim →
Source 2

Researchers implement a 72-qubit Willow simulation and compare results with exact and approximate classical methods where feasible.

Programmable digital quantum simulation of 2D Fermi-Hubbard dynamics using 72 superconducting qubits ↗Published 30 Oct 2025
Exact source location

No page, figure or section locator is recorded. Open the source and check the claim in its original context.

Capability

Experiments across three hardware platforms report defined physics workloads with explicit classical-comparison limits.

Use in practice

Hardware collaborations demonstrate specific research applications; end-customer operational adoption is not established.

Integration

Research demonstrates compatibility with multiple processor platforms and a public resource database.

Published rating inputs remain unchanged.		Organization-originated source

Source type: paper. Independent replication, experiment date and source-version fingerprint are not separately recorded.

Product and measurement scope: read the named system and conditions in this claim. No normalized product revision is assigned.

Review recorded 6 Sept 2026. Research brief reviewed 7 Sept 2026. These dates do not establish publication or experiment dates.

Report an issue with this claim →
Source 3

A Phasecraft-linked team reports Nighthawk experiments with system sizes up to 100 qubits and comparisons in classically accessible regimes.

Onset of Ergodicity Across Scales on a Digital Quantum Processor ↗Published 12 Mar 2026
Exact source location

No page, figure or section locator is recorded. Open the source and check the claim in its original context.

Capability

Experiments across three hardware platforms report defined physics workloads with explicit classical-comparison limits.

Use in practice

Hardware collaborations demonstrate specific research applications; end-customer operational adoption is not established.

Integration

Research demonstrates compatibility with multiple processor platforms and a public resource database.

Published rating inputs remain unchanged.		Organization-originated source

Source type: paper. Independent replication, experiment date and source-version fingerprint are not separately recorded.

Product and measurement scope: read the named system and conditions in this claim. No normalized product revision is assigned.

Review recorded 6 Sept 2026. Research brief reviewed 7 Sept 2026. These dates do not establish publication or experiment dates.

Report an issue with this claim →
Source 4

Public database lists 46 materials with baseline and Phasecraft qubit/depth resource estimates plus structural-source information.

The Materials Modeling Quantum Complexity Database ↗Published Not recorded
Exact source location

No page, figure or section locator is recorded. Open the source and check the claim in its original context.

Delivery

Public research resources and a materials database are available; general self-service algorithm delivery is not established.

Integration

Research demonstrates compatibility with multiple processor platforms and a public resource database.

Published rating inputs remain unchanged.		Organization-originated source

Source type: technical. Independent replication, experiment date and source-version fingerprint are not separately recorded.

Product and measurement scope: read the named system and conditions in this claim. No normalized product revision is assigned.

Review recorded 6 Sept 2026. Research brief reviewed 7 Sept 2026. These dates do not establish publication or experiment dates.

Report an issue with this claim →
Source 5

Company research index links the reviewed hardware-experiment papers and other algorithm studies.

Phasecraft Research ↗Published Not recorded
Exact source location

No page, figure or section locator is recorded. Open the source and check the claim in its original context.

Delivery

Public research resources and a materials database are available; general self-service algorithm delivery is not established.

Published rating inputs remain unchanged.		Organization-originated source

Source type: official. Independent replication, experiment date and source-version fingerprint are not separately recorded.

Product and measurement scope: read the named system and conditions in this claim. No normalized product revision is assigned.

Review recorded 6 Sept 2026. Research brief reviewed 7 Sept 2026. These dates do not establish publication or experiment dates.

Report an issue with this claim →
Revision and evidence-family boundaries

Record reference: 43e6e5b31e012a8950e30142e10222d747934ae34b663fb0bffecaf098bb5c85. Read prior recorded revisions.

Repeated coverage can describe the same experiment. The assessment does not contain a reviewed claim-family grouping, so the number of links is never shown as a replication count. Source pages can change independently of this saved assessment; the original source text is not archived here.

CHECK THE ORIGINALS

Sources & evidence

  1. Fermionic dynamics on a trapped-ion quantum computer beyond exact classical simulation ↗Organization-originated source · 30 Oct 2025

    Phasecraft-associated researchers and Quantinuum collaborators report 56-qubit Hubbard-model dynamics with tractable exact checks.

  2. Programmable digital quantum simulation of 2D Fermi-Hubbard dynamics using 72 superconducting qubits ↗Organization-originated source · 30 Oct 2025

    Researchers implement a 72-qubit Willow simulation and compare results with exact and approximate classical methods where feasible.

  3. Onset of Ergodicity Across Scales on a Digital Quantum Processor ↗Organization-originated source · 12 Mar 2026

    A Phasecraft-linked team reports Nighthawk experiments with system sizes up to 100 qubits and comparisons in classically accessible regimes.

  4. The Materials Modeling Quantum Complexity Database ↗Organization-originated source · Publication date not stated

    Public database lists 46 materials with baseline and Phasecraft qubit/depth resource estimates plus structural-source information.

  5. Phasecraft Research ↗Organization-originated source · Publication date not stated

    Company research index links the reviewed hardware-experiment papers and other algorithm studies.

  6. Materials Modeling Quantum Complexity Database — Methodology ↗technical · Publication date not stated

    Explains the classical materials-to-circuit pipeline, its variational-eigensolver focus, circuit-depth estimates and comparison against alternative circuit-construction methods.

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