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A056063 Coefficients in power series of autocorrelation function of a spin s=1/2 particle in Heisenberg chain at infinite temperature. 0
1, 4, 44, 652, 11636, 242816, 5896200, 166988876, 5522663076, 212691519520, 9480072152976, 485032014072352, 28212945137704000, 1845697627092687232, 134276285717364346136, 10746808538882581859580 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

REFERENCES

Markus Boehm and Hajo Leschke, Dynamic spin-pair correlations in a Heisenberg chain at infinite temperature based on an extended short-time expansion, J. Phys. A 25, 1043 (1992)

Markus Boehm et al., Spectral signature of quantum spin diffusion in dimensions d=1, 2 and 3, Phys. Rev. B 49, 417 (1994)

LINKS

Table of n, a(n) for n=0..15.

M. Boehm, Home page

CROSSREFS

Sequence in context: A053315 A005721 A103870 * A218224 A177749 A291198

Adjacent sequences:  A056060 A056061 A056062 * A056064 A056065 A056066

KEYWORD

hard,nice,nonn

AUTHOR

Markus Boehm (markus.boehm(AT)coi.de), Jul 27 2000

STATUS

approved

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Last modified June 19 19:11 EDT 2019. Contains 324222 sequences. (Running on oeis4.)