Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Current distribution and ac loss for a superconducting rectangular strip
  with in phase alternating current and applied field   The case of ac transport at in-phase alternating applied magnetic fields for
a superconducting rectangular strip with finite thickness has been
investigated. The applied magnetic field is considered perpendicular to the
current flow. We present numerical calculations assuming the critical state
model of the current distribution and ac loss for various values of aspect
ratio, transport current and applied field amplitude. A rich phenomenology is
obtained due to the metastable nature of the critical state. We perform a
detailed comparison with the analytical limits and we discuss their
applicability for the actual geometry of superconducting conductors. We also
define a loss factor which allow a more detailed analysis of the ac behavior
than the ac loss. Finally, we compare the calculations with experiments,
showing a significant qualitative and quantitative agreement without any
fitting parameter.

24
The categories of this paper are: dg-ga
31
The categories of this paper are: ao-sci
29
The categories of this paper are: funct-an
13
The categories of this paper are: quant-ph
35
The categories of this paper are: mtrl-th
19
The categories of this paper are: eess
37
The categories of this paper are: supr-con
20
The categories of this paper are: acc-phys
6
The categories of this paper are: astro-ph
23
The categories of this paper are: solv-int
14
The categories of this paper are: math-ph
12
The categories of this paper are: nucl-th
10
The categories of this paper are: q-bio
36
The categories of this paper are: cmp-lg
8
The categories of this paper are: hep-ex
27
The categories of this paper are: comp-gas