Ferrofluids as thermal ratchets

Engel A, Muller HW, Reimann P, Jung A (2003)
PHYSICAL REVIEW LETTERS 91(6).

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
Colloidal suspensions of ferromagnetic nanoparticles, so-called ferrofluids, are shown to be suitable systems to demonstrate and investigate thermal ratchet behavior: By rectifying thermal fluctuations, angular momentum is transferred to a resting ferrofluid from an oscillating magnetic field without net rotating component. Via viscous coupling the noise driven rotation of the microscopic ferromagnetic grains is transmitted to the carrier liquid to yield a macroscopic torque. For a simple setup we analyze the rotation of the ferrofluid theoretically and show that the results are compatible with the outcome of a simple demonstration experiment.
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PHYSICAL REVIEW LETTERS
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91
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6
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Engel A, Muller HW, Reimann P, Jung A. Ferrofluids as thermal ratchets. PHYSICAL REVIEW LETTERS. 2003;91(6).
Engel, A., Muller, H. W., Reimann, P., & Jung, A. (2003). Ferrofluids as thermal ratchets. PHYSICAL REVIEW LETTERS, 91(6). doi:10.1103/PhysRevLett.91.060602
Engel, A., Muller, H. W., Reimann, P., and Jung, A. (2003). Ferrofluids as thermal ratchets. PHYSICAL REVIEW LETTERS 91.
Engel, A., et al., 2003. Ferrofluids as thermal ratchets. PHYSICAL REVIEW LETTERS, 91(6).
A. Engel, et al., “Ferrofluids as thermal ratchets”, PHYSICAL REVIEW LETTERS, vol. 91, 2003.
Engel, A., Muller, H.W., Reimann, P., Jung, A.: Ferrofluids as thermal ratchets. PHYSICAL REVIEW LETTERS. 91, (2003).
Engel, A, Muller, HW, Reimann, Peter, and Jung, A. “Ferrofluids as thermal ratchets”. PHYSICAL REVIEW LETTERS 91.6 (2003).

16 Zitationen in Europe PMC

Daten bereitgestellt von Europe PubMed Central.

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