Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Inhomogeneous backflow transformations in quantum Monte Carlo
  calculations   An inhomogeneous backflow transformation for many-particle wave functions is
presented and applied to electrons in atoms, molecules, and solids. We report
variational and diffusion quantum Monte Carlo VMC and DMC energies for various
systems and study the computational cost of using backflow wave functions. We
find that inhomogeneous backflow transformations can provide a substantial
increase in the amount of correlation energy retrieved within VMC and DMC
calculations. The backflow transformations significantly improve the wave
functions and their nodal surfaces.

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The categories of this paper are: hep-ph
7
The categories of this paper are: hep-th
10
The categories of this paper are: q-bio
25
The categories of this paper are: patt-sol
33
The categories of this paper are: plasm-ph
18
The categories of this paper are: econ
16
The categories of this paper are: stat
11
The categories of this paper are: hep-lat
31
The categories of this paper are: ao-sci
35
The categories of this paper are: mtrl-th
8
The categories of this paper are: hep-ex
19
The categories of this paper are: eess
36
The categories of this paper are: cmp-lg
15
The categories of this paper are: nucl-ex
37
The categories of this paper are: supr-con
20
The categories of this paper are: acc-phys