Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: General, Strong Impurity-Strength Dependence of Quasiparticle
  Interference   Quasiparticle interference (QPI) patterns in momentum space are often assumed
to be independent of the strength of the impurity potential when compared with
other quantities, such as the joint density of states. Here, using the
$T$-matrix theory, we show that this assumption breaks down completely even in
the simplest case of a single-site impurity on the square lattice with an $s$
orbital per site. Then, we predict from first-principles, a very rich,
impurity-strength-dependent structure in the QPI pattern of TaAs, an archetype
Weyl semimetal. This study thus demonstrates that the consideration of the
details of the scattering impurity including the impurity strength is essential
for interpreting Fourier-transform scanning tunneling spectroscopy experiments
in general.

12
The categories of this paper are: nucl-th
14
The categories of this paper are: math-ph
27
The categories of this paper are: comp-gas
22
The categories of this paper are: chao-dyn
37
The categories of this paper are: supr-con
16
The categories of this paper are: stat
13
The categories of this paper are: quant-ph
5
The categories of this paper are: gr-qc
34
The categories of this paper are: chem-ph
21
The categories of this paper are: adap-org
0
The categories of this paper are: hep-ph
11
The categories of this paper are: hep-lat
17
The categories of this paper are: q-fin
25
The categories of this paper are: patt-sol
30
The categories of this paper are: q-alg
15
The categories of this paper are: nucl-ex