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  • Springer  (109)
  • American Physical Society (APS)
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  • 1
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    Spatial Evolution of the Ferromagnetic Phase Transition in an Exchange Graded Film (2016)
    American Physical Society (APS)
    Details
    Publication Date: 2016-01-30
    Description: Author(s): B. J. Kirby, H. F. Belliveau, D. D. Belyea, P. A. Kienzle, A. J. Grutter, P. Riego, A. Berger, and Casey W. Miller A combination of experiments and numerical modeling was used to study the spatial evolution of the ferromagnetic phase transition in a thin film engineered to have a smooth gradient in exchange strength. Mean-field simulations predict, and experiments confirm, that a 100 nm Ni x Cu 1 − x alloy film with … [Phys. Rev. Lett. 116, 047203] Published Fri Jan 29, 2016
    Keywords: Condensed Matter: Electronic Properties, etc.
    Print ISSN: 0031-9007
    Electronic ISSN: 1079-7114
    Topics: Physics
    Published by American Physical Society (APS)
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  • 2
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    Impact fragmentation of model flocks (2014)
    American Physical Society (APS)
    Details
    Publication Date: 2014-04-16
    Description: Author(s): Pearson W. Miller and Nicholas T. Ouellette Predicting the bulk material properties of active matter is challenging since these materials are far from equilibrium and standard statistical-mechanics approaches may fail. We report a computational study of the surface properties of a well known active matter system: aggregations of self-propelle... [Phys. Rev. E 89, 042806] Published Tue Apr 15, 2014
    Keywords: Networks and Interdisciplinary Physics
    Print ISSN: 1539-3755
    Electronic ISSN: 1550-2376
    Topics: Physics
    Published by American Physical Society (APS)
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  • 3
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    Nanoscale magnetic localization in exchange strength modulated ferromagnets (2018)
    American Physical Society (APS)
    Details
    Publication Date: 2018-08-04
    Description: Author(s): B. J. Kirby, L. Fallarino, P. Riego, B. B. Maranville, Casey W. Miller, and A. Berger Although ferromagnetism is in general a long-range collective phenomenon, it is possible to induce local spatial variations of magnetic properties in ferromagnetic materials. For example, systematic variation of the exchange coupling strength can be used to create systems that behave as if they are ... [Phys. Rev. B 98, 064404] Published Fri Aug 03, 2018
    Keywords: Magnetism
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 4
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    Geometry of Wave Propagation on Active Deformable Surfaces (2018)
    American Physical Society (APS)
    Details
    Publication Date: 2018-06-30
    Description: Author(s): Pearson W. Miller, Norbert Stoop, and Jörn Dunkel Fundamental biological and biomimetic processes, from tissue morphogenesis to soft robotics, rely on the propagation of chemical and mechanical surface waves to signal and coordinate active force generation. The complex interplay between surface geometry and contraction wave dynamics remains poorly ... [Phys. Rev. Lett. 120, 268001] Published Fri Jun 29, 2018
    Keywords: Polymer, Soft Matter, Biological, Climate, and Interdisciplinary Physics
    Print ISSN: 0031-9007
    Electronic ISSN: 1079-7114
    Topics: Physics
    Published by American Physical Society (APS)
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  • 5
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    Enhanced spin pumping near a magnetic ordering transition (2017)
    American Physical Society (APS)
    Details
    Publication Date: 2017-08-26
    Description: Author(s): Behrouz Khodadadi, Jamileh Beik Mohammadi, Claudia Mewes, Tim Mewes, M. Manno, C. Leighton, and Casey W. Miller We study the temperature-dependent static and dynamic magnetic properties of polycrystalline bilayers of permalloy ( N i 80 F e 20 , or Py) and gadolinium (Gd) bilayers using DC magnetometry and broadband ferromagnetic resonance. Magnetometry measurements reveal that the 3-nm-thick Gd layers undergo a mag... [Phys. Rev. B 96, 054436] Published Fri Aug 25, 2017
    Keywords: Magnetism
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
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  • 6
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    Magnetic properties of epitaxial CoCr films with depth-dependent exchange-coupling profiles (2017)
    American Physical Society (APS)
    Details
    Publication Date: 2017-04-29
    Description: Author(s): Lorenzo Fallarino, Brian J. Kirby, Matteo Pancaldi, Patricia Riego, Andrew L. Balk, Casey W. Miller, Paolo Vavassori, and Andreas Berger We present a study of the compositional and temperature-dependent magnetic properties of epitaxial CoCr thin films whose composition has a bathtublike depth profile Co / C o 1 → 1 − x c C r 0 → x c / C o 1 − x c C r x c / C o 1 − x c → 1 C r x c → 0 / Co with the highest Cr concentration ( x c ) at the center of the sample. Polarized neutron re… [Phys. Rev. B 95, 134445] Published Thu Apr 27, 2017
    Keywords: Magnetism
    Print ISSN: 1098-0121
    Electronic ISSN: 1095-3795
    Topics: Physics
    Published by American Physical Society (APS)
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  • 7
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    Measurements of the neutron-proton and neutron-carbon total cross section from 150 to 800 keV (2013)
    American Physical Society (APS)
    Details
    Publication Date: 2013-01-26
    Description: Author(s): B. H. Daub, V. Henzl, M. A. Kovash, J. L. Matthews, Z. W. Miller, K. Shoniyozov, and H. Yang There have been very few measurements of the total cross section for n p scattering below 500 keV. To differentiate among N N potential models, improved cross section data between 20 and 600 keV are required. We measured the n p and n C total cross sections in this energy region by transmission; a colli... [Phys. Rev. C 87, 014005] Published Fri Jan 25, 2013
    Keywords: Nucleon-Nucleon Interaction, Few-Body Systems
    Print ISSN: 0556-2813
    Electronic ISSN: 1089-490X
    Topics: Physics
    Published by American Physical Society (APS)
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  • 8
    Electronic Resource
    Electronic Resource
    Linear-space algorithms that build local alignments from fragments (1995)
    Springer
    Algorithmica 13 (1995), S. 106-134 
    Details
    ISSN: 1432-0541
    Keywords: Sequence comparison ; Local alignment ; Dynamic programming ; Candidate-list paradigm ; Linear-space algorithm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mathematics
    Notes: Abstract This paper presents practical algorithms for building an alignment of two long sequences from a collection of “alignment fragments,” such as all occurrences of identical 5-tuples in each of two DNA sequences. We first combine a time-efficient algorithm developed by Galil and coworkers with a space-saving approach of Hirschberg to obtain a local alignment algorithm that uses0((M+N+F logN) logM) time and0(M+N) space to align sequences of lengthsM andN from a pool of F alignment fragments. Ideas of Huang and Miller are then employed to develop a time- and space-efficient algorithm that computesn best nonintersecting alignments for anyn〉1. An example illustrates the utility of these methods.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01188583
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  • 9
    Electronic Resource
    Electronic Resource
    Nested insertions of short mobile sequences in Drosophila P elements (1998)
    Springer
    Chromosoma 107 (1998), S. 6-16 
    Details
    ISSN: 1432-0886
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract. A potentially full-sized P element isolated from the genome of Drosophila ambigua by polymerase chain reaction amplification was completely sequenced. It has a length of 3329 bp and the termini are formed by 33 bp inverted repeats. Sequence comparisons show that it can be classified as a member of the T-type P element subfamily. The translational reading frames of all four exons are interrupted by stop codons and frameshift mutations. At the 3′ end of exon 3 a 687 bp insertion sequence (IS-amb-P) is found that also occurs in the form of dispersed copies (IS-amb) in the genome in D. ambigua. At the interspecific level it shows homology to mobile sequences of other species of the obscura group. Although variable in length, these IS elements are characterized by conserved sections without coding function and by 14 bp inverted repeats, one at a terminal, the other at a subterminal position. In situ hybridization revealed that P elements in D. ambigua are restricted to only two euchromatic sites on chromosome elements A and E. This situation resembles that found in Drosophila guanche and Drosophila subobscura where P homologs are clustered at a single site on chromosome element E and where the section corresponding to exon 3 of P elements carries an IS element. The gene sik-hom, which is located at the 5′ side of the D. guanche cluster of P homologs, was used as a marker to examine whether the P element sites on chromosome element E of D. guanche and D. ambigua are homologous. The results suggest that the nested insertions of IS elements into P elements must have occurred independently in the two different lineages.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004120050277
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  • 10
    Electronic Resource
    Electronic Resource
    Electron transport by C-type cytochromes (1975)
    Springer
    European biophysics journal 1 (1975), S. 97-111 
    Details
    ISSN: 1432-1017
    Keywords: Electron Transport ; Cytochrome C ; Kinetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Physics
    Notes: Abstract The kinetics of reduction of horse heart cytochrome c have been investigated using the reductants sodium dithionite and potassium ferrocyanide. Sodium dithionite reduction at pH 7.0 yields rate constants of 2.8×108M−1sec−1 for SO 2 − and 6×105M−1sec−1 for S2O 4 = at infinite dilution. Moreover,the data presented demonstrates the participation of positively charged amino acid side chains at the site of electron transfer. The effect of pH on the reduction of ferricytochrome c requires a minimum of two pK Values for description (pK1=7.0±0.4,pK2=9.3±0.3). Based on the pK values determined, one or more lysines and a residue(s) with a low pK are implicated as the positively charged residues participating in electron transfer. From a comparison of the rates of reduction of various denatured forms of cytochrome c we feel that the most viable conclusion is that electron transfer takes place at the exposed heme edge in the vicinity of the amino acid side chains indicated above. Ferrocyanide reduction of ferri-horse heart cytochrome c takes place in a kinetically complex manner. A mechanism is described which includes complexes of ferrocyanide and ferricytochrome c and ferricyanide and ferrocytochrome c. As was found for dithionite reduction a positively charged region of the cytochrome c participates in electron transfer. Combining our results with ferrocyanide and dithionite we conclude that available data is compatible with a single mechanism of electron transfer. It is suggested that the kinetic distinction between different reductants lies in the lifetime of the transient complex formed, with the order ferrocyanide≫ S2O 4 = 〉SO 2 − .
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00539772
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