Table 1 CNOT gate count at various system sizes N for approximating the imaginary time evolution step of TPQ state preparation with the QITE, inexact QITE, dilated operator, and FABLE algorithms at \(\beta =1\).
From: Exploring finite temperature properties of materials with quantum computers
CNOT count | ||||
|---|---|---|---|---|
N | QITE | Inexact QITE | Dilated operator | FABLE |
2 | 14 | 20 | 41 | 16 |
3 | 97 | 963 | 218 | 64 |
4 | – | 1957 | 1025 | 256 |
5 | – | 2945 | 4474 | 1024 |
