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Coefficients in power series of autocorrelation function of a spin s=1/2 particle in Heisenberg chain at infinite temperature.
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%I #2 Feb 27 2009 03:00:00

%S 1,4,44,652,11636,242816,5896200,166988876,5522663076,212691519520,

%T 9480072152976,485032014072352,28212945137704000,1845697627092687232,

%U 134276285717364346136,10746808538882581859580

%N Coefficients in power series of autocorrelation function of a spin s=1/2 particle in Heisenberg chain at infinite temperature.

%D 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)

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

%H M. Boehm, <a href="http://theorie1.physik.uni-erlangen.de/markus/markus.html">Home page</a>

%K hard,nice,nonn

%O 0,2

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