Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Avoiding the $H_c=0$ anomaly using FORC+ (expanded version of paper
  GG-05, MMM-Intermag 2019)   In conventional FORC (First Order Reversal Curve) analysis of a magnetic
system, reversible and low-coercivity irreversible materials are treated as
being qualitatively different: the FORC distribution shows low-coercivity
materials but completely hides reversible (zero-coercivity) ones. This
distinction is artificial -- as the coercivity approaches zero, the physical
properties of an irreversible material change smoothly into those of a
reversible material. We have developed a method (called FORC+, implemented in
free software at http://MagVis.org) for displaying the reversible properties of
a system (a reversible switching-field distribution, R-SFD) together with the
irreversible ones (the usual FORC distribution), so that there is no sudden
discontinuity in the display when the coercivity becomes zero. We will define a
"FORC+ dataset" to include the usual FORC distribution, the R-SFD, the
saturation magnetization, and what we will call the "lost hysteron
distribution" (LHD) such that no information is lost -- the original FORC
curves can be exactly recovered from the FORC+ dataset. We also give some
examples of the application of FORC+ to real data -- it uses a novel
complementary-color display that minimizes the need for smoothing. In systems
which switch suddenly (thus having sharp structures in the FORC distribution)
direct display of un-smoothed raw data allows visualization of sharp structures
that would be washed out in a conventional smoothed FORC display. This is an
expanded version of paper GG-05, MMM-Intermag 2019, with a discrete derivation
of the FORC distribution (Eq. 1) and an additional example (Fig. 7).

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The categories of this paper are: quant-ph
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The categories of this paper are: cs
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The categories of this paper are: cmp-lg
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The categories of this paper are: hep-lat
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The categories of this paper are: astro-ph
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The categories of this paper are: patt-sol
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The categories of this paper are: acc-phys
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The categories of this paper are: plasm-ph
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The categories of this paper are: nucl-th
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The categories of this paper are: chao-dyn
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The categories of this paper are: hep-ex
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The categories of this paper are: dg-ga
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The categories of this paper are: q-fin
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The categories of this paper are: ao-sci
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The categories of this paper are: econ
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The categories of this paper are: eess