KTHNY theory

analytically solvable model of 2D crystal melting
Place mathematical_model Q56297964
Press Enter · cited answer in seconds

KTHNY theory

Summary

KTHNY theory is a mathematical model[1]. It draws 21 Wikipedia views per month (mathematical_model category, ranking #57 of 75).[2]

Key Facts

  • KTHNY theory's image is recorded as Strukturfaktor.png[3].
  • KTHNY theory's instance of is recorded as mathematical model[4].
  • Michael Kosterlitz is named after KTHNY theory[5].
  • David J. Thouless is named after KTHNY theory[6].
  • Bertrand Halperin is named after KTHNY theory[7].
  • David Robert Nelson is named after KTHNY theory[8].
  • Allan Peter Young is named after KTHNY theory[9].
  • KTHNY theory's defining formula is recorded as H_{loc}=-{\frac {a^{2}Y}{8\pi }}\sum {k\neq l}{\Big [}{\vec {b}}({\vec {r}}{k})\cdot {\vec {b}}({\vec {r}}{l})\ln {\frac {\Delta {\vec {r}}{k,l}}{a}}-{\frac {[{\vec {b}}({\vec {r}}{k})\cdot \Delta {\vec {r}}{k,l}][{\vec {b}}({\vec {r}}{l})\cdot \Delta {\vec {r}}{k,l}]}{\Delta r_{i,j}^{2}}}{\Big ]}+E_{c}\cdot N_{loc}[10].
  • KTHNY theory's Google Knowledge Graph ID is recorded as /g/11gfnbqdws[11].
  • KTHNY theory's schematic is recorded as Youngs modulus in KTHNY.svg[12].
  • KTHNY theory's schematic is recorded as Franks constant in KTHNY.svg[13].

Body

Designation and Status

KTHNY theory's instance of is recorded as mathematical model[4].

History and Context

Things named after include Michael Kosterlitz[5], a physicist[14], b. 1943[15], of United Kingdom[16], awarded the Nobel Prize in Physics[17], specialised in physicist[18]; David J. Thouless[6], a physicist[19], 1934–2019[20], of United Kingdom[21], awarded the Fellow of the Royal Society[22], specialised in nuclear physics[23]; Bertrand Halperin[7], a physicist[24], b. 1941[25], of United States[26], awarded the Oliver E. Buckley Condensed Matter Prize[27]; David Robert Nelson[8], a physicist[28], b. 1951[29], of United States[30], awarded the Guggenheim Fellowship[31], specialised in applied physics[32]; and Allan Peter Young[9], a physicist[33], b. 1948[34], awarded the Maxwell Medal and Prize[35].

Why It Matters

KTHNY theory draws 21 Wikipedia views per month (mathematical_model category, ranking #57 of 75).[2]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.

Inline context (facts about related entities)

  1. [14] . Wikidata. wikidata.org. → on this site
  2. [15] . Wikidata. wikidata.org. → on this site
  3. [16] . Wikidata. wikidata.org. → on this site
  4. [17] . Wikidata. wikidata.org. → on this site
  5. [18] . Wikidata. wikidata.org. → on this site
  6. [19] . Wikidata. wikidata.org. → on this site
  7. [20] . Wikidata. wikidata.org. → on this site
  8. [21] . Wikidata. wikidata.org. → on this site
  9. [22] . Wikidata. wikidata.org. → on this site
  10. [23] . Wikidata. wikidata.org. → on this site
  11. [24] . Wikidata. wikidata.org. → on this site
  12. [25] . Wikidata. wikidata.org. → on this site
  13. [26] . Wikidata. wikidata.org. → on this site
  14. [27] . Wikidata. wikidata.org. → on this site
  15. [28] . Wikidata. wikidata.org. → on this site
  16. [29] . Wikidata. wikidata.org. → on this site
  17. [30] . Wikidata. wikidata.org. → on this site
  18. [31] . Wikidata. wikidata.org. → on this site
  19. [32] . Wikidata. wikidata.org. → on this site
  20. [33] . Wikidata. wikidata.org. → on this site
  21. [34] . Wikidata. wikidata.org. → on this site
  22. [35] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). KTHNY theory. Retrieved May 3, 2026, from https://4ort.xyz/entity/kthny-theory
MLA “KTHNY theory.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/kthny-theory.
BibTeX @misc{4ortxyz_kthny-theory_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{KTHNY theory}}, year = {2026}, url = {https://4ort.xyz/entity/kthny-theory}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): KTHNY theory — https://4ort.xyz/entity/kthny-theory (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/kthny-theory · Last refreshed: