Abstract
Numerical modelling of TRM and of Haigh's model of CRM acquisition was performed using the Monte‐Carlo method. It was confirmed that for noninteracting particles, i.e. at small volume concentration c < 1% CRM < TRM as was predicted earlier by Stacey and Banerjee and at large grain size, ≈ (0.1–0.2) µm, it may reach values ≈ (4–10)‥ However for strongly interacting systems, i.e. c > (l–3)%, CRM may be ≥ TRM, though CRM can not exceed TRM more than twice. The relative stability to thermodemagnetisation is always higher for TRM than for CRM.
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