Abstract
The appearance of labyrinthine patterns in ferrofluids is studied theoretically. An approximate theory based upon the use of a uniform demagnetization field predicts a first-order transition with hysteresis. A more accurate approach indicates that these predictions are caused by the uniform approximation. Even the existence of a minimum field strength required to induce the labyrinthine pattern cannot be confirmed by the more accurate calculations. The influence of the uniform approximation upon the calculated results is explained by a study of the evolution of the magnetic energy as a function of the pattern size.
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Richardi, J., Pileni, M.P. (2003). Is the Labyrinthine Instability a First-Order Transition ?. In: Maruani, J., Lefebvre, R., Brändas, E.J. (eds) Advanced Topics in Theoretical Chemical Physics. Progress in Theoretical Chemistry and Physics, vol 12. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-0635-3_3
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DOI: https://doi.org/10.1007/978-94-017-0635-3_3
Publisher Name: Springer, Dordrecht
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