Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Further developments in correlator product states: deterministic
  optimization and energy evaluation   Correlator product states (CPS) are a class of tensor network wavefunctions
applicable to strongly correlated problems in arbitrary dimensions. Here, we
present a method for optimizing and evaluating the energy of the CPS
wavefunction that is non-variational but entirely deterministic. The
fundamental assumption underlying our technique is that the CPS wavefunction is
an exact eigenstate of the Hamiltonian, allowing the energy to be obtained
approximately through a projection of the Schr\"odinger equation. The validity
of this approximation is tested on two dimensional lattices for the spin-1/2
antiferromagnetic Heisenberg model, the spinless Hubbard model, and the full
Hubbard model. In each of these models, the projected method reproduces the
variational CPS energy to within 1%. For fermionic systems, we also demonstrate
the incorporation of a Slater determinant reference into the ansatz, which
allows CPS to act as a generalization of the Jastrow-Slater wavefunction.

10
The categories of this paper are: q-bio
31
The categories of this paper are: ao-sci
20
The categories of this paper are: acc-phys
2
The categories of this paper are: math
30
The categories of this paper are: q-alg
27
The categories of this paper are: comp-gas
33
The categories of this paper are: plasm-ph
12
The categories of this paper are: nucl-th
1
The categories of this paper are: cs
23
The categories of this paper are: solv-int
14
The categories of this paper are: math-ph
16
The categories of this paper are: stat
25
The categories of this paper are: patt-sol
26
The categories of this paper are: bayes-an
29
The categories of this paper are: funct-an
37
The categories of this paper are: supr-con