Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Pressure Studies on a High-$T_c$ Superconductor Pseudogap and Critical
  Temperatures   We report simultaneous hydrostatic pressure studies on the critical
temperature $T_c$ and on the pseudogap temperature $T^*$ performed through
resistivity measurements on an optimally doped high-$T_c$ oxide
$Hg_{0.82}Re_{0.18}Ba_2Ca_2Cu_3O_{8+\delta}$. The resistivity is measured as
function of the temperature for several different applied pressure below 1GPa.
We find that both $T_c$ and $T^*$ increases linearly with the pressure. This
result demonstrate that the well known intrinsic pressure effect on $T_c$ is
also present at $T^*$ and both temperatures are originated by the same
superconducting mechanism.

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The categories of this paper are: q-fin
7
The categories of this paper are: hep-th
1
The categories of this paper are: cs
18
The categories of this paper are: econ
5
The categories of this paper are: gr-qc
19
The categories of this paper are: eess
10
The categories of this paper are: q-bio
9
The categories of this paper are: nlin
37
The categories of this paper are: supr-con
15
The categories of this paper are: nucl-ex
31
The categories of this paper are: ao-sci
12
The categories of this paper are: nucl-th
8
The categories of this paper are: hep-ex
20
The categories of this paper are: acc-phys
28
The categories of this paper are: alg-geom
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The categories of this paper are: adap-org