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In graph Frontier
PhysicsEstablished

Spin

The intrinsic angular momentum carried by quantum particles, quantized and unrelated to physical rotation.

SpinElectronSpintronicsValence electronAtomElectron shellPauli exclusion principleQuantum Hall effectMolecule

At a glance

Type
matter
Disciplines 1
Physics
Mental models 0
—
Role in the graph
Cross-disciplinary bridge
reaches 3 discipline lenses

Key signals

Cross-disciplinary reach
Disciplines
1
  • Physics
Evidence & development

Dependencies

What this concept builds on and what it makes possible — derived from the atlas’s dependency, causal and structural relations, not from every related edge.

System context

Spinis part ofElectronEstablished

Open Electron →

Electrons carry spin.

Mechanism: Spin is an intrinsic quantum angular momentum every electron carries, with only two values.

Structural role & consequence

Interpreted from the current atlas graph — what the connections mean, not just how many there are.

  • 50% of its relationships cross field boundaries, reaching 3 other disciplines — unusual in a discipline where most concepts stay within their field.

    structural · Structural graph analysis — not a claim of importance, causation or history.

  • Currently dark in the atlas: no key date stored · 2 of 2 of its relations lack claim-level evidence.

    atlas representation · Describes the current Thinking OS representation, not the state of the world.

  • Structural neighbourhood: 2 → 7 → 19 concepts reachable within 3 hops.

    structural · Structural reach — being reachable is not the same as being understood.

50%

cross-field
1 within-field, 1 cross-field

0 of 2 relations carry evidence · concept has a verified source

Strengths & constraints

Strengths

  • Cross-disciplinary connector — 50% of its relationships cross field boundaries. structural

Constraints

  • Evidence coverage currently thin in the atlas — few of its relationships carry claim-level evidence. atlas representation
  • No dated history stored — the atlas records no key date for this concept. atlas representation

Conditions

  • Read structurally — most of its relationships carry no external evidence yet, so claims here are graph-derived. structural

Seen through each discipline

How this concept sits in each of its fields — derived from its real connections in the graph, not asserted.

Physics

Through this lens it connects to Electron.

Spin through the Physics lens →

Concepts that look related but are not yet connected here — candidates for a connection to reason about, not established links.

This idea also appears in…

The same structure shows up in other disciplines. These are real recurrences drawn from the graph — a starting point for asking “what carries over, and what changes?”

Concepts

  • SpintronicsCondensed Matter Physics

    crosses a discipline boundary

The scientific picture
  • Connects 2 other ideas across 1 discipline.
  • A cross-disciplinary bridge — its connections reach into 3 other fields.
  • Most of its connections are of the “Kind & structure” kind.

Derived from the graph’s real structure — observations, not a score.

Sources