File:Ferromagnetic behavior around critical temperature.pdf
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Ferromagnetic_behavior_around_critical_temperature.pdf (541 × 502 pixels, file size: 54 KB, MIME type: application/pdf)
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DescriptionFerromagnetic behavior around critical temperature.pdf |
English: Equal-time correlation functions, , as a function of radius for a ferromagnetic spin system above, at, and below at its critical temperature, . Above , exhibits a combined exponential and power-law dependence on distance: . The power-law dependence dominates at distances short relative to the correlation length, , while the exponential dependence dominates at distances large relative to . At the , the correlation length diverges, , resulting in solely power-law behavior: . is distinguished by the extreme non-locality of the spatial correlations between microscopic values of the relevant order parameter without long-range order. Below , the spins exhibit spontaneous ordering and thus infinite correlations. Continuous order-disorder transitions can be understood as the process of the correlation length, , transitioning from being infinite in the low-temperature, ordered state, to finite in a high-temperature, disordered state. |
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Source | Own work More specifically, this file was created with code written by User:Mgibby5 in Mathematica from the equations listed in the Correlation function page. |
Author | User:Mgibby5 |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 23:21, 24 December 2014 | 541 × 502 (54 KB) | Mgibby5 (talk | contribs) | User created page with UploadWizard |
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Software used | cairo 1.12.16 (http://cairographics.org) |
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Page size | 260 x 241 pts |
Version of PDF format | 1.5 |