QuartumSE Research Experiments Index¶
Last Updated: November 3, 2025 Phase: Phase 1 (Foundation & R&D)
Quick Navigation¶
- Experiment Status Dashboard
- Workstream Organization
- Completed Experiments
- Planned Experiments
- Data Locations
Experiment Status Dashboard¶
Phase 1 Progress (Nov 2025)¶
| Workstream | Completed | Planned | Total | Progress |
|---|---|---|---|---|
| S (Shadows) | 2 | 5 | 7 | 29% |
| C (Chemistry) | 1 | 0 | 1 | 100% |
| O (Optimization) | 0 | 1 | 1 | 0% |
| B (Benchmarking) | 0 | 1 | 1 | 0% |
| M (Metrology) | 0 | 1 | 1 | 0% |
| TOTAL | 3 | 8 | 11 | 27% |
Phase 1 Target: ≥5 experiments completed (3 critical + 2 optional) Current Status: 3/5 critical experiments completed, on track for Phase 1 closure
Workstream Organization¶
S-Workstream: Shadows Core¶
Focus: Validate classical shadows v0-v1 on simulator and IBM hardware
| Experiment ID | Status | System | SSR | Priority | Documentation |
|---|---|---|---|---|---|
| SMOKE-SIM | ✅ Complete | 3-5q GHZ | 17.37× | CRITICAL | Docs |
| SMOKE-HW | ✅ Complete | 3q GHZ | ~1.0× | CRITICAL | Docs |
| S-T01 | 📋 Planned | 4-5q GHZ | ≥1.1× | CRITICAL | Docs |
| S-T02 | 📋 Planned | 4-5q GHZ | ≥1.1× | CRITICAL | Docs |
| S-BELL | 📋 Planned | 4-8q Bell | ≥1.2× | MEDIUM | Docs |
| S-CLIFF | 📋 Planned | 5q Clifford | ≥1.5× | MEDIUM | Docs |
| S-ISING | 📋 Planned | 6q TFIM | ≥1.3× | MEDIUM | Docs |
Phase 1 Exit Criterion: S-T01 OR S-T02 achieves SSR ≥ 1.1× on IBM hardware
C-Workstream: Chemistry¶
Focus: Shadow-based molecular Hamiltonian estimation for VQE
| Experiment ID | Status | Molecule | Qubits | Terms | Documentation |
|---|---|---|---|---|---|
| C-T01 | ✅ Complete | H₂@STO-3G | 4 | 12 | Docs |
Phase 1 Exit Criterion: ✅ First chemistry data drop generated (C-T01)
Phase 2 Pipeline: - C-T02: LiH@minimal (6q, 20 terms) - C-T03: BeH₂@minimal (8q, 30-40 terms)
O-Workstream: Optimization¶
Focus: Shot-frugal QAOA via shadow-based cost estimation
| Experiment ID | Status | Problem | Qubits | Layers | Documentation |
|---|---|---|---|---|---|
| O-T01 | 📋 Planned | MAX-CUT | 5 | p=1-2 | Docs |
Phase 1 Exit Criterion: First optimization data drop (O-T01)
B-Workstream: Benchmarking¶
Focus: Shadow-based device characterization (RB/XEB/fidelity)
| Experiment ID | Status | Protocol | Qubits | Metrics | Documentation |
|---|---|---|---|---|---|
| B-T01 | 📋 Planned | RB/XEB | 1-3 | Fidelity, purity | Docs |
Phase 1 Exit Criterion: First benchmarking data drop (B-T01, optional)
M-Workstream: Metrology¶
Focus: Shadow-based readout for quantum sensing applications
| Experiment ID | Status | State | Qubits | Application | Documentation |
|---|---|---|---|---|---|
| M-T01 | 📋 Planned | GHZ | 3-4 | Phase sensing | Docs |
Phase 1 Exit Criterion: First metrology data drop (M-T01, optional/exploratory)
Completed Experiments¶
SMOKE-SIM: Simulator Smoke Test {#smoke-sim}¶
Status: ✅ Completed (Nov 3, 2025) Backend: aer_simulator System: 3-, 4-, 5-qubit GHZ states Shadow Version: v0 (baseline)
Key Results: - SSR: 17.37× on 3-qubit (exceeds 1.2× target) - CI Coverage: 100% for 3- and 4-qubit - Execution Time: < 30 seconds - Provenance: Multiple manifests generated
Success Criteria: ✅ ALL PASSED - SSR ≥ 1.2×: 17.37× (14.4× above target) - CI Coverage ≥ 90%: 100% (3-4q) - Manifest generation: Complete
Documentation: S/SMOKE-SIM/
Manifests: data/manifests/ (multiple IDs from Oct-Nov 2025)
SMOKE-HW: Hardware Smoke Test {#smoke-hw}¶
Status: ✅ Completed (Nov 3, 2025) Backend: ibm_fez (156-qubit), ibm_torino (133-qubit, Oct 22) System: 3-qubit GHZ state Shadow Version: v0 (baseline, no mitigation)
Key Results: - Execution Time: 7.82 seconds (ibm_fez) - Observables: ZII, ZZI, ZIZ estimated - Hardware Quality: Excellent (T1=63-209 μs, T2=49-199 μs, readout=0.77-2.22%) - SSR: ~1.0× (preliminary, insufficient data for rigorous calculation)
Success Criteria: ✅ PASSED (hardware integration) - Hardware execution: ✅ Success - Manifest capture: ✅ Complete (IBM calibration snapshot) - Runtime compliance: ✅ < 10 minutes - SSR ≥ 1.1×: ⚠️ Inconclusive (need S-T01 extended validation)
Documentation: S/SMOKE-HW/
Manifests: 226a2dfc-922f-434c-b44d-f9411ef1167a.json, 538ec4c1-4530-4db6-9694-8970ee4cb5a7.json, etc.
C-T01: H₂ Chemistry Experiment {#c-t01}¶
Status: ✅ Completed (Nov 3, 2025)
Manifest ID: 2a89df46-3c81-4638-9ff4-2f60ecf3325d
Backend: ibm_fez
Molecule: H₂@STO-3G (4 qubits)
Shadow Version: v1 (noise-aware + MEM)
Key Results: - Execution Time: 17.49 seconds - Hamiltonian Terms: 12 Pauli observables estimated - Total Energy: -1.516816 Hartree - Shadow Size: 300 - MEM Calibration: 128 shots × 16 basis states - Preliminary SSR: ~4.0× (needs baseline validation)
Observable Quality: - Z-basis correlations (ZZ): Excellent (CI width 0.007-0.021) - Single-qubit Z: Moderate (CI width 0.12-0.16) - X/Y-basis terms: Near-zero (hardware noise degradation)
Success Criteria: ✅ PASSED (Phase 1 data drop) - Chemistry data drop: ✅ Generated (manifest + shot data + MEM) - Hamiltonian estimation: ✅ All 12 terms - Shadow-based readout: ✅ v1 + MEM validated - Energy accuracy: ⚠️ Pending real H₂ Hamiltonian - SSR ≥ 1.1×: ⚠️ Pending baseline comparison
Documentation: C/C-T01/
Manifest: data/manifests/2a89df46-3c81-4638-9ff4-2f60ecf3325d.json (37 KB)
Shot Data: data/shots/2a89df46-3c81-4638-9ff4-2f60ecf3325d.parquet
Full Report: See H2_EXPERIMENT_REPORT.md
Planned Experiments¶
S-T01: Extended GHZ Validation {#s-t01}¶
Status: 📋 Planned (Target: Nov 2025) System: 4-5 qubit GHZ (connectivity-aware) Trials: ≥10 independent runs Shadow Size: 500 per trial Backend: ibm:ibm_fez (primary)
Objectives: - Demonstrate SSR ≥ 1.1× with statistical significance - Characterize run-to-run variance (target σ_SSR < 0.3) - Validate CI coverage ≥ 80% on hardware - Establish baseline for S-T02 (v1 comparison)
Success Criteria: - SSR (mean) ≥ 1.1× across ≥10 trials - CI coverage ≥ 80% - ⚠️ BLOCKS Phase 1 completion if not achieved
Documentation: S/S-T01/
S-T02: Noise-Aware GHZ with MEM {#s-t02}¶
Status: 📋 Planned (Target: Nov 2025) System: 4-5 qubit GHZ (same as S-T01) Shadow Version: v1 (noise-aware + MEM) Comparison: v0 (S-T01) vs. v1 (S-T02)
Objectives: - Validate v1 noise-aware inverse channel + MEM - Quantify variance reduction: target 20-30% vs. v0 - Demonstrate SSR improvement (v1 ≥ v0 + 0.2×) - Validate mitigation stack for Phase 2 use
Success Criteria: - Variance reduction ≥ 20% vs. S-T01 - SSR ≥ 1.1× (can rescue Phase 1 if S-T01 fails) - CI coverage ≥ 85% (tighter CIs expected)
Documentation: S/S-T02/
S-BELL: Parallel Bell Pairs {#s-bell}¶
Status: 📋 Planned (Target: Nov 2025, optional) System: 2-4 disjoint Bell pairs (4-8 qubits total) Observables: ZZ, XX, CHSH per pair Shadow Size: 300-500
Objectives: - Multi-subsystem observable estimation - CHSH > 2 demonstration (quantum entanglement) - SSR ≥ 1.2× vs. per-pair measurement
Priority: MEDIUM (Phase 1 optional, valuable for Phase 2) Documentation: S/S-BELL/
S-CLIFF: Random Clifford Benchmarking {#s-cliff}¶
Status: 📋 Planned (Target: Nov 2025, optional) System: 5-qubit random Clifford circuits (depth-limited) Observables: ≥50 Pauli strings Shadow Size: 500-1000
Objectives: - Validate shadows on non-GHZ states - Many-observable regime (≥50 Paulis) - Compare to direct fidelity estimation (DFE) - SSR ≥ 1.5× vs. DFE for many observables
Priority: MEDIUM (Phase 1 optional) Documentation: S/S-CLIFF/
S-ISING: Ising Chain Trotter {#s-ising}¶
Status: 📋 Planned (Target: Nov 2025, optional) System: 6-qubit transverse-field Ising model (1D chain) Observables: Energy (12 terms), magnetization (6 terms), correlators (5 terms) Shadow Size: 500-1000
Objectives: - Hamiltonian simulation application (Trotter circuits) - Energy + auxiliary observables from single dataset - SSR ≥ 1.3× vs. grouped measurement - Chemistry preparation (similar structure to fermionic Hamiltonians)
Priority: MEDIUM (Phase 1 optional, valuable for Phase 2 chemistry) Documentation: S/S-ISING/
O-T01: QAOA MAX-CUT {#o-t01}¶
Status: 📋 Planned (Target: Nov 2025) Problem: MAX-CUT on 5-node ring graph Layers: p=1-2 Observables: Edge ZZ terms (cost function)
Objectives: - Shot-frugal QAOA optimization - Reduce shots per iteration (1000 → 300 via shadows) - Demonstrate optimizer step reduction (↓ 20-25%) - Maintain solution quality ≥ 0.90 (approximation ratio)
Success Criteria: - Optimization data drop generated - Optimizer steps ↓ ≥ 20% - SSR ≥ 1.2×
Priority: HIGH (Phase 1 optimization workstream data drop) Documentation: O/O-T01/
B-T01: RB/XEB Benchmarking {#b-t01}¶
Status: 📋 Planned (Target: Nov 2025) Protocols: Randomized Benchmarking (RB), Cross-Entropy Benchmarking (XEB) System: 1-3 qubit RB, depth-limited XEB Metrics: Fidelity, purity, entropy
Objectives: - Shadow-based device characterization - Estimate fidelity + purity + entropy from single shadow dataset - Sample efficiency ≥ 2× vs. direct fidelity estimation - Compare to IBM calibration data
Success Criteria: - Benchmarking data drop generated - Sample efficiency ≥ 2× - Manifest integration (log benchmarking results)
Priority: MEDIUM (Phase 1 optional) Documentation: B/B-T01/
M-T01: GHZ Phase Sensing {#m-t01}¶
Status: 📋 Planned (Target: Nov 2025, exploratory) System: GHZ(3-4) as phase sensor Application: Z-phase parameter estimation Observables: Optimal linear combination of Z/ZZ terms
Objectives: - Shadow-based readout for quantum sensing - CI widths reflect sensing precision - Explore ZNE for readout bias correction - CI coverage ≥ 80% (simulator), ≥ 70% (hardware)
Success Criteria: - Metrology data drop generated (exploratory) - CI coverage ≥ 80% on simulator
Priority: LOW (Phase 1 exploratory, not blocking) Documentation: M/M-T01/
Data Locations¶
Manifests¶
Path: C:\Users\User\Desktop\Projects\QuartumSE\data\manifests\
Naming Convention: {experiment_id}.json or {workstream}-{exp_id}-trial-{N}-{uuid}.json
Current Count: 30+ manifests (as of Nov 3, 2025)
Example Manifests:
- SMOKE-SIM: 05735bbf-1c30-4e00-98af-cb1ad03a6a58.json (Oct 21, 3q)
- SMOKE-HW: 226a2dfc-922f-434c-b44d-f9411ef1167a.json (Nov 3, ibm_fez)
- C-T01: 2a89df46-3c81-4638-9ff4-2f60ecf3325d.json (Nov 3, H₂ chemistry)
Schema: Provenance Manifest v1 (see quartumse/reporting/manifest.py)
Shot Data¶
Path: C:\Users\User\Desktop\Projects\QuartumSE\data\shots\
Format: Parquet files (columnar format for efficient replay)
Schema: - Shadow snapshots: Measurement bases + outcomes - Replayable: Estimate NEW observables without re-running quantum circuits
Example: 2a89df46-3c81-4638-9ff4-2f60ecf3325d.parquet (C-T01 H₂ experiment)
Confusion Matrices (MEM Calibration)¶
Path: C:\Users\User\Desktop\Projects\QuartumSE\data\mem\
Format: NumPy .npz archives
Reuse: Valid for ~24 hours or until backend re-calibration
Example: 2a89df46-3c81-4638-9ff4-2f60ecf3325d.npz (C-T01 4-qubit confusion matrix)
Cross-Links and Navigation¶
Strategic Documentation¶
- Phase 1 Research Plan - Comprehensive Phase 1 overview
- Project Roadmap - Multi-phase project plan
- Phase 1 Task Checklist - Detailed task tracking
Reports and Analysis¶
- Strategic Analysis - Current status and next steps
- H₂ Experiment Report - Detailed C-T01 analysis
Technical Documentation¶
- Experiment Tracker - Lightweight experiment log
- Literature References - Key papers and citations
Quick Stats¶
Phase 1 (as of Nov 3, 2025): - ✅ 3 experiments completed - 📋 8 experiments planned - 🔬 2 workstreams active (S, C) - 💾 30+ manifests generated - 🖥️ 2 IBM backends tested (ibm_fez, ibm_torino) - ⚡ Fastest execution: 7.82s (SMOKE-HW) - 🎯 Best SSR: 17.37× (SMOKE-SIM, 3-qubit)
Next Milestones: - S-T01/S-T02: Demonstrate SSR ≥ 1.1× on IBM hardware (CRITICAL) - O-T01: Optimization workstream data drop (HIGH) - Phase 1 Gate Review: Target end of November 2025
Document Version: 1.0 Last Updated: November 3, 2025 Maintained By: Research Team Feedback: Open issue in GitHub or contact research lead