Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Hawking temperature, the uncertainty principle and quantum black
  holes   In 1974, Stephen Hawking theoretically discovered that black holes emit
thermal radiation and have a characteristic temperature, known as the Hawking
temperature. The aim of this paper is to present a simple heuristic derivation
of the Hawking temperature, based on the Heisenberg uncertainty principle. The
result obtained coincides exactly with Hawking's original finding. In parallel,
this work seeks to clarify the physical meaning of Hawking's discovery. This
article may be useful as pedagogical material in a high school physics course
or in an introductory undergraduate physics course.

15
The categories of this paper are: nucl-ex
0
The categories of this paper are: hep-ph
31
The categories of this paper are: ao-sci
12
The categories of this paper are: nucl-th
1
The categories of this paper are: cs
9
The categories of this paper are: nlin
29
The categories of this paper are: funct-an
28
The categories of this paper are: alg-geom
34
The categories of this paper are: chem-ph
26
The categories of this paper are: bayes-an
10
The categories of this paper are: q-bio
16
The categories of this paper are: stat
35
The categories of this paper are: mtrl-th
21
The categories of this paper are: adap-org
14
The categories of this paper are: math-ph
7
The categories of this paper are: hep-th