Universal ratios among correction-to-scaling amplitudes and effective critical exponents

Amnon Aharony*, Guenter Ahlers

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

126 Scopus citations

Abstract

Writing thermodynamic quantities near a critical point as fiAi|t|-i(1+ai|t|), where t=(T-Tc)Tc, we show that to leading order in =4-d one has aiaj=(i-i0)(j-j0), where i0 is the mean-field value of i. This ratio is also equal to (i, eff-i)(j, eff-j), where i, eff is derived from a fit of data with fi|t|-i, eff. Various experiments are analyzed and compared to these predictions.

Original languageEnglish
Pages (from-to)782-785
Number of pages4
JournalPhysical Review Letters
Volume44
Issue number12
DOIs
StatePublished - 1980

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