Physical Transformation AtlasPTA
Claim · claim:nernst-drives

Temperature gradient —drives→ Nernst effect

The atlas records this claim as established: a temperature gradient drives the Nernst effect under the conditions below.

establishedK4 · experimentally observedledger thermal → electrical · loss to thermalno record-level review date

Exploreconditions · relation · evidence · matrix context · uses · cite

2cited sources10enumerated routes using it1routes with composition evidence1recorded pathways

Conditions

  • a magnetic field perpendicular to the temperature gradient; the transverse field is proportional to B and ∇T
regime: solid · conductor required · magnetic field required · temperature gradient required

Constitutive relation

E_y = N · B_z · ∇T_x

input Temperature gradientoutput Electric fieldN·B (Nernst coefficient × field), in V/K [V/K]

Evidence · 2

  1. [1]
    A. von Ettingshausen, W. Nernst. Ueber das Auftreten electromotorischer Kräfte in Metallplatten, welche von einem Wärmestrome durchflossen werden und sich im magnetischen Felde befinden (1886)
    Annalen der Physik 265, 343–347 · doi:10.1002/andp.18862651010 · crossref ✓ 2026-09-19 · record
  2. [2]
    H. B. Callen. The application of Onsager's reciprocal relations to thermoelectric, thermomagnetic, and galvanomagnetic effects (1948)
    Physical Review 73, 1349 · doi:10.1103/PhysRev.73.1349 · crossref ✓ 2026-09-19 · record

Matrix cells this relation feeds

D = disequilibrium row · C = coupling family column. A cell reads the state of the atlas for that pair.

Uses of this claim

recorded pathways · 1
other enumerated routes · 9

Cite this claim

Physical Transformation Atlas (2026). claim claim:nernst-drives: Temperature gradient —drives→ Nernst effect. Dataset revision rbfbfcbb70e57 (hash of the canonical data). https://physical-transformation-atlas.wldud5192.workers.dev/claim/nernst-drives

Ids and matrix addresses are stable across revisions; the revision hash identifies the exact canonical files the record was compiled from and is meta.data_hash in every /api export. Reuse terms: see the license field in any export.