Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Efficient method to simulate non-perturbative dynamics of an open
  quantum system using a quantum computer   Classical non-perturbative simulations of open quantum systems dynamics face
several scalability problems, namely, exponential scaling as a function of
either the time length of the simulation or the size of the open system. In
this work, we propose a quantum computational method which we term as Quantum
Time Evolving Density operator with Orthogonal Polynomials Algorithm
(Q-TEDOPA), based on the known TEDOPA technique, avoiding any exponential
scaling in simulations of non-perturbative dynamics of open quantum systems on
a quantum computer. By performing an exact transformation of the Hamiltonian,
we obtain only local nearest-neighbour interactions, making this algorithm
suitable to be implemented in the current Noisy-Intermediate Scale Quantum
(NISQ) devices. We show how to implement the Q-TEDOPA using an IBM quantum
processor by simulating the exciton transport between two light-harvesting
molecules in the regime of moderate coupling strength to a non-Markovian
harmonic oscillator environment. Applications of the Q-TEDOPA span problems
which can not be solved by perturbation techniques belonging to different
areas, such as dynamics of quantum biological systems and strongly correlated
condensed matter systems.

30
The categories of this paper are: q-alg
19
The categories of this paper are: eess
12
The categories of this paper are: nucl-th
29
The categories of this paper are: funct-an
17
The categories of this paper are: q-fin
37
The categories of this paper are: supr-con
33
The categories of this paper are: plasm-ph
22
The categories of this paper are: chao-dyn
25
The categories of this paper are: patt-sol
16
The categories of this paper are: stat
31
The categories of this paper are: ao-sci
32
The categories of this paper are: atom-ph
7
The categories of this paper are: hep-th
23
The categories of this paper are: solv-int
6
The categories of this paper are: astro-ph
1
The categories of this paper are: cs