A029874 Low temperature series for spin-1/2 Ising specific heat on 2D square lattice, divided by 8.
2, 9, 36, 150, 672, 3185, 15688, 79326, 408710, 2135771, 11285280, 60168394, 323185688, 1746853245, 9492648592, 51824157994, 284078305566, 1562777946663
Offset: 0
References
- S. R. Finch, Mathematical Constants, Cambridge, 2003, pp. 391-406.
Links
- G. A. Baker, Further application of the Padé approximant method to the Ising and Heisenberg models, Phys. Rev. 129 (1963) 99-102.
- I. G. Enting, A, J. Guttmann and I. Jensen, Low-Temperature Series Expansions for the Spin-1 Ising Model, arXiv:hep-lat/9410005, 1994; J. Phys. A. 27 (1994) 6987-7006.
- Steven R. Finch, Lenz-Ising Constants [broken link]
- Steven R. Finch, Lenz-Ising Constants [From the Wayback Machine]
- Index entries for sequences related to specific heat
Crossrefs
Cf. A029872.
Formula
a(n) ~ (1 + sqrt(2))^(2*n+4) / (4*Pi*n). - Vaclav Kotesovec, Apr 28 2024