Partition-function estimation: Quantum and quantum-inspired algorithms
Partition-function estimation: Quantum and quantum-inspired algorithms
复制标题
配分函数估计:量子和量子启发算法
DOI:
10.1103/physreva.107.012421
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发表时间:
2023
影响因子:
2.9
通讯作者:
Jackson A
中科院分区:
文献类型:
--
作者:
Jackson A
We present two algorithms, one quantum and one classical, for estimating partition functions of quantum spin Hamiltonians. The first is a DQC1 (deterministic quantum computation with one clean qubit) algorithm. The second, for real temperatures, achieves performance comparable to a state-of-the-art DQC1 algorithm [A. N. Chowdhury, R. D. Somma, and Y. Subaşi, Phys. Rev. A 103, 032422 (2021)10.1103/PhysRevA.103.032422]. Both our algorithms take as input the Hamiltonian decomposed as a linear combination Pauli operators. We show this decomposition to be DQC1-hard for a given Hamiltonian, providing insight into the hardness of estimating partition functions.
DOI:
--
发表时间:
2003
期刊:
影响因子:
--
作者:
Daniel A. Lidar
通讯作者:
Daniel A. Lidar
影响因子:
2.2
作者:
Dodin, I. Y.;Startsev, E. A.
通讯作者:
Startsev, E. A.
影响因子:
13.6
作者:
M. Heyl;P. Hauke;P. Zoller
通讯作者:
M. Heyl;P. Hauke;P. Zoller