Product formula

Trotter Tutorials:

• https://qiskit-community.github.io/qiskit-algorithms/tutorials/13_trotterQRTE.html#

• https://nbviewer.org/github/DavitKhach/quantum-algorithms-tutorials/blob/master/Hamiltonian_simulation.ipynb

import quantum_simulation_recipe as qsr
from quantum_simulation_recipe import spin_ham

H = spin_ham.Nearest_Neighbour_1d(4)
H.ham

SparsePauliOp(['IIXX', 'IXXI', 'XXII', 'IIYY', 'IYYI', 'YYII', 'IIZZ', 'IZZI', 'ZZII', 'IIIX', 'IIXI', 'IXII', 'XIII'],
              coeffs=[1. +0.j, 1. +0.j, 1. +0.j, 1. +0.j, 1. +0.j, 1. +0.j, 1. +0.j, 1. +0.j,
 1. +0.j, 0.2+0.j, 0.2+0.j, 0.2+0.j, 0.2+0.j])

Lie-Trotter-Suzuki product formula

High-order product formula