Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Temperature dependence of the upper critical field of high-Tc
  superconductors from isothermal magnetization data. Influence of a
  temperature dependent Ginzburg-Landau parameter   We show that the scaling procedure, recently proposed for the evaluation of
the temperature variation of the normalized upper critical field of type-II
superconductors, may easily be modified in order to take into account a
possible temperature dependence of the Ginzburg-Landau parameter kappa. As an
example, we consider kappa (T) as it follows from the microscopic theory of
superconductivity.

28
The categories of this paper are: alg-geom
0
The categories of this paper are: hep-ph
36
The categories of this paper are: cmp-lg
18
The categories of this paper are: econ
17
The categories of this paper are: q-fin
29
The categories of this paper are: funct-an
6
The categories of this paper are: astro-ph
15
The categories of this paper are: nucl-ex
35
The categories of this paper are: mtrl-th
31
The categories of this paper are: ao-sci
27
The categories of this paper are: comp-gas
9
The categories of this paper are: nlin
12
The categories of this paper are: nucl-th
13
The categories of this paper are: quant-ph
33
The categories of this paper are: plasm-ph
34
The categories of this paper are: chem-ph