On the properties of fluids with dispersed superconducting particles

Abstract
A theoretical estimation is made of properties of the superdiamagnetic fluid and composite suspensions (colloidal solutions of particles of superconducting material dispersed in liquid solvent at Tc) that were previously proposed by the authors. It is shown that the superdiamagnetic fluid has an anomalously high initial diamagnetic susceptibility. It is further shown that such a fluid can be regarded as a model system for the investigation of phase transitions. The magnetisation curve of a composite suspension (in which a magnetic fluid serves as solvent) is investigated; the behaviour of this curve can be either para- or diamagnetic, depending on the applied magnetic field.

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