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001     14467
005     20200423202944.0
024 7 _ |2 DOI
|a 10.1103/PhysRevLett.104.057201
024 7 _ |2 WOS
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037 _ _ |a PreJuSER-14467
041 _ _ |a eng
082 _ _ |a 550
084 _ _ |2 WoS
|a Physics, Multidisciplinary
100 1 _ |a Yan, M.
|b 0
|u FZJ
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245 _ _ |a Beating the Walker limit with massless domain walls in cylindrical nanowires
260 _ _ |a College Park, Md.
|b APS
|c 2010
300 _ _ |a 057201
336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
|2 BibTeX
336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a article
|2 DRIVER
440 _ 0 |a Physical Review Letters
|x 0031-9007
|0 4925
|y 5
|v 104
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a We present a micromagnetic study on the current-induced domain-wall motion in cylindrical Permalloy nanowires with diameters below 50 nm. The transverse domain walls forming in such thin, round wires are found to differ significantly from those known from flat nanostrips. In particular, we show that these domain walls are zero-mass micromagnetic objects. As a consequence, they display outstanding dynamic properties, most importantly the absence of a breakdown velocity generally known as the Walker limit. Our simulation data are confirmed by an analytic model which provides a detailed physical understanding. We further predict that a particular effect of the current-induced dynamics of these domain walls could be exploited to measure the nonadiabatic spin-transfer torque coefficient.
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588 _ _ |a Dataset connected to Web of Science
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700 1 _ |a Kakay, A.
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700 1 _ |a Gliga, S.
|b 2
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700 1 _ |a Hertel, R.
|b 3
|u FZJ
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773 _ _ |a 10.1103/PhysRevLett.104.057201
|g Vol. 104, p. 057201
|p 057201
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|0 PERI:(DE-600)1472655-5
|t Physical review letters
|v 104
|y 2010
|x 0031-9007
856 4 _ |u https://juser.fz-juelich.de/record/14467/files/FZJ-14467.pdf
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915 _ _ |a American Physical Society Transfer of Copyright Agreement
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|d 31.12.2010
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