Thermal ratchet effects in ferrofluids

Engel A, Reimann P (2004)
PHYSICAL REVIEW E 70(5): 51107.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
Rotational Brownian motion of colloidal magnetic particles in ferrofluids under the influence of an oscillating external magnetic field is investigated. It is shown that for a suitable time dependence of the magnetic field, a noise-induced rotation of the ferromagnetic particles due to rectification of thermal fluctuations takes place. Via viscous coupling, the associated angular momentum is transferred from the magnetic nanoparticles to the carrier liquid and can then be measured as macroscopic torque on the fluid sample. A thorough theoretical analysis of the effect in terms of symmetry considerations, analytical approximations, and numerical solutions is given which is in accordance with recent experimental findings.
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Engel A, Reimann P. Thermal ratchet effects in ferrofluids. PHYSICAL REVIEW E. 2004;70(5): 51107.
Engel, A., & Reimann, P. (2004). Thermal ratchet effects in ferrofluids. PHYSICAL REVIEW E, 70(5), 51107.
Engel, A, and Reimann, Peter. 2004. “Thermal ratchet effects in ferrofluids”. PHYSICAL REVIEW E 70 (5): 51107.
Engel, A., and Reimann, P. (2004). Thermal ratchet effects in ferrofluids. PHYSICAL REVIEW E 70:51107.
Engel, A., & Reimann, P., 2004. Thermal ratchet effects in ferrofluids. PHYSICAL REVIEW E, 70(5): 51107.
A. Engel and P. Reimann, “Thermal ratchet effects in ferrofluids”, PHYSICAL REVIEW E, vol. 70, 2004, : 51107.
Engel, A., Reimann, P.: Thermal ratchet effects in ferrofluids. PHYSICAL REVIEW E. 70, : 51107 (2004).
Engel, A, and Reimann, Peter. “Thermal ratchet effects in ferrofluids”. PHYSICAL REVIEW E 70.5 (2004): 51107.

6 Zitationen in Europe PMC

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