Nonlinear Nonequilibrium Simulations of Magnetic Nanoparticles

Abstract

Magnetic nanoparticles are found in computer memory and in futuristic biomedical applications. General models for the particle dynamics are essential to understanding and predicting dynamical behaviors in diverse conditions. Many approaches have been used to varying degrees of success. Here we present the most general methods for modeling: nonlinear, nonequilibrium models that typically require computational solving. We maintain rigor throughout so that the expressions arise from as close to first principles calculations as possible. We present the intuitively simpler, conceptually satisfying models too but are clear on their ranges of validity. We are also explicit in the computational implementation where necessary. At the end, we summarize the state of the art and the interesting problems that remain unsolved.

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Title
Nonlinear Nonequilibrium Simulations of Magnetic Nanoparticles
Book Title
Magnetic Characterization Techniques for Nanomaterials
Book DOI
10.1007/978-3-662-52780-1
Chapter DOI
10.1007/978-3-662-52780-1_4
Part of
Volume
Editors
  • Challa S.S.R. Kumar Send Email (1)
  • Editor Affiliation
  • 1 Integrated Mesoscale Architectures for Sustainable Catalysis (IMASC), Rowland Institute of Science, Harvard University, Cambridge, Massachusetts, USA
  • Authors
  • Daniel B. Reeves Send Email (2) (3)
  • Author Affiliation
  • 2 Department of Physics and Astronomy, Dartmouth College, Hanover, NH, 03755, USA
  • 3 Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA, 98122, USA
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