L1 ⚛ L1-352 ⊙ Testnet

Laser-Plasma Interaction — relativistic electron acceleration

Plasma Physics · Ultra-intense laser-driven plasma

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⬇ L1-352.md

# ⚛ L1 Principle — Laser-Plasma Interaction — relativistic electron acceleration **ID:** `L1-352` · **Status:** ⊙ Testnet (genesis catalog) > **🌐 Domain:** Plasma Physics — *Ultra-intense laser-driven plasma* > **🎯 Problem class:** nonlinear inverse · **🧮 Solution space:** electron beam properties > **📡 Carrier:** plasma · **🌫 Noise:** poisson > **⚖ Difficulty (δ):** 10 · **⛓ Block:** 41554096 --- ## 🧠 1. Introduction **Laser-Plasma Interaction — relativistic electron acceleration** is a **nonlinear inverse problem** whose unknown lives in **electron beam properties** space, within the **Ultra-intense laser-driven plasma** sub-domain of **Plasma Physics**. Measurements consist of plasma particle and field diagnostics via a **electron spectrometer shadowgraphy** sensing mechanism. The forward operator applies, in order: L · laser pulse operator; L · nonlinear plasma operator; L · wakefield operator; detector accumulates flux over the exposure window. Observations are corrupted by Poisson counting noise. Highly nonlinear; electron energies to GeV; strong radiation backreaction. ## ⚙ 2. Forward Model Physical chain: **x** → L · laser pulse → L · nonlinear plasma → L · wakefield → Temporal integration → **y** (detector). ``` y = ∫_t dt `L.wakefield` `L.nonlinear_plasma` `L.laser_pulse` x, measurements ~ Poisson(αy) ``` **Measurement DAG:** | Primitive | What it does | |---|---| | `L.laser_pulse` | L · laser pulse operator | | `L.nonlinear_plasma` | L · nonlinear plasma operator | | `L.wakefield` | L · wakefield operator | | `int.temporal` | Detector accumulates flux over the exposure window | ## 🔬 3. Physics Fingerprint | Property | Value | |---|---| | Domain | Plasma Physics | | Sub domain | Ultra-intense laser-driven plasma | | Carrier | plasma | | Problem class | nonlinear_inverse | | Solution space | electron_beam_properties | | Noise model | poisson | | Integration axis | temporal | | Difficulty delta | 10 | | L dag | 3.8 | ## 📡 4. Measurement Model Highly nonlinear; electron energies to GeV; strong radiation backreaction. | Metric | Value | |---|---| | Metric | PSNR_dB | | Secondary | SSIM | ## 📏 5. Operating Range (Ω) **Center problem class:** `laser_plasma` · **Forward operator:** `laser_plasma_forward` **Center point:** | Parameter | Unit | Value | |---|---|---| | A 0 | — | 2 | | Snr db | dB | 25 | | N cells | — | 1e+07 | | N times | — | 2000 | | N e per nc | — | 0.01 | | Ionization error | — | 0 | | Laser phase error | — | 0 | | Plasma density error | — | 0 | **Allowed bounds:** | Parameter | Unit | Range | |---|---|---| | A 0 | — | 0.01 – 100 | | Snr db | dB | 0 – 40 | | N cells | — | 100000.0 – 100000000000.0 | | N times | — | 100 – 1000000 | | N e per nc | — | 0.0001 – 10 | | Ionization error | — | 0.0 – 0.3 | | Laser phase error | — | 0.0 – 0.3 | | Plasma density error | — | 0.0 – 0.3 | ## 🎯 6. Tolerance (ε) **Center tolerance:** 18.0 | Metric | Range | |---|---| | Psnr db | 10.0 – 45.0 | ## ⚖ 7. Hardness Function Hardness scales as **`epsilon_fn`** on **PSNR_dB**, with κ = `800` and δ = `10`. ## 💾 8. Reference Dataset - **primary** · weight 1.0 · IPFS _(not pinned yet)_ ## 9. On-chain Registration - **Chain hash:** `0x0f0fad3d9bbb1e3653bc246c4501830c11a43b6b6b24b386ca03fef11fb89d66` - **Chain tx hash:** `0xefbf171eb3c61105adc2d9ed063c185bc42b5ee06ef5d539c7bca75ef0547886` - **Chain block:** `41554096` --- ## File Mapping This bundle consists of: `L1-352.md`, `L1-352.json`. | File | Role | How to regenerate | |------|------|-------------------| | `L1-352.md` | Source of truth — edit this | Human or LLM | | `L1-352.json` | Structured metadata for the registry | LLM regenerates from the sections above | **Prompt for your LLM after editing this Markdown:** > Read the attached Markdown. Regenerate the sibling `.json` so every field matches. > Preserve the schema documented in the rows above. > Output each file in its own fenced code block tagged with the filename. > Output only the JSON object. _This Markdown was auto-synthesized from the catalog row for `L1-352`._ _Edit it, regenerate the JSON, and submit at [/submit](/submit) to claim the artifact._

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Read the attached Markdown (L1-352.md).
Regenerate L1-352.json so every field matches the Markdown.
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📋 JSON metadata

{
  "artifact_id": "L1-352",
  "chain_block": 41554096,
  "chain_hash": "0x0f0fad3d9bbb1e3653bc246c4501830c11a43b6b6b24b386ca03fef11fb89d66",
  "chain_tx_hash": "0xefbf171eb3c61105adc2d9ed063c185bc42b5ee06ef5d539c7bca75ef0547886",
  "domain": "Plasma Physics",
  "hardness_fn": {
    "delta": 10,
    "kappa": 800,
    "metric": "PSNR_dB",
    "type": "epsilon_fn"
  },
  "initiator_dataset": [
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      "ipfs_cid": null,
      "license_hash": null,
      "name": "primary",
      "weight": 1.0
    }
  ],
  "layer": "L1",
  "observable_profile": {
    "metric": "PSNR_dB",
    "regime": "Highly nonlinear; electron energies to GeV; strong radiation backreaction.",
    "secondary": "SSIM"
  },
  "physics_fingerprint": {
    "L_DAG": 3.8,
    "carrier": "plasma",
    "difficulty_delta": 10,
    "domain": "Plasma Physics",
    "integration_axis": "temporal",
    "noise_model": "poisson",
    "primitives": [
      "L.laser_pulse",
      "L.nonlinear_plasma",
      "L.wakefield",
      "int.temporal"
    ],
    "problem_class": "nonlinear_inverse",
    "sensing_mechanism": "electron_spectrometer_shadowgraphy",
    "solution_space": "electron_beam_properties",
    "sub_domain": "Ultra-intense laser-driven plasma",
    "title": "Laser-Plasma Interaction \u2014 relativistic electron acceleration"
  },
  "size_tiers": {
    "allowed_forward_operators": [
      "laser_plasma_forward"
    ],
    "allowed_omega_dimensions": [
      "N_cells",
      "N_times",
      "a_0",
      "n_e_per_nc",
      "SNR_dB",
      "laser_phase_error",
      "plasma_density_error",
      "ionization_error",
      "laser_phase_error",
      "plasma_density_error",
      "ionization_error"
    ],
    "allowed_problem_classes": [
      "laser_plasma"
    ],
    "center_spec": {
      "epsilon_fn_center": "18.0",
      "forward_operator": "laser_plasma_forward",
      "input_format": "measurement_only",
      "omega": {
        "N_cells": 10000000.0,
        "N_times": 2000,
        "SNR_dB": 25,
        "a_0": 2.0,
        "ionization_error": 0.0,
        "laser_phase_error": 0.0,
        "n_e_per_nc": 0.01,
        "plasma_density_error": 0.0
      },
      "problem_class": "laser_plasma"
    },
    "epsilon_bounds": {
      "psnr_db": [
        10.0,
        45.0
      ]
    },
    "omega_bounds": {
      "N_cells": [
        100000.0,
        100000000000.0
      ],
      "N_times": [
        100,
        1000000
      ],
      "SNR_dB": [
        0,
        40
      ],
      "a_0": [
        0.01,
        100
      ],
      "ionization_error": [
        0.0,
        0.3
      ],
      "laser_phase_error": [
        0.0,
        0.3
      ],
      "n_e_per_nc": [
        0.0001,
        10
      ],
      "plasma_density_error": [
        0.0,
        0.3
      ]
    }
  },
  "staked_pwm": 0.0,
  "status": "testnet",
  "sub_domain": "Ultra-intense laser-driven plasma",
  "title": "Laser-Plasma Interaction \u2014 relativistic electron acceleration"
}

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