Hard Squares for z = -1
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Description
The hard square model in statistical mechanics has been investigated for the case when the activity z is -1. For cyclic boundary conditions, the characteristic polynomial of the transfer matrix has an intriguingly simple structure, all the eigenvalues x being zero, roots of unity, or solutions of x3 = 4cos2(πm/N). Here we tabulate the results for lattices of up to 12 columns with cyclic or free boundary conditions and the two obvious orientations. We remark that they are all unexpectedly simple...[Show more]
Collections | ANU Research Publications |
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Date published: | 2011 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/68716 |
Source: | Annals of Combinatorics |
DOI: | 10.1007/s00026-011-0089-2 |
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01_Baxter_Hard_Squares_for_z_=_-1_2011.pdf | 259.27 kB | Adobe PDF | Request a copy |
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