Quantum computation of Fisher zeros for the Ising model

被引：0
|
作者：
Laba, H. P. [1 ]
Tkachuk, V. M. [2 ]
机构：
[1] Lviv Polytech Natl Univ, Dept Appl Phys & Nanomat Sci, 5 Ustiyanovych St, UA-79013 Lvov, Ukraine
[2] Ivan Franko Natl Univ Lviv, Dept Theoret Phys, 12 Drahomanov St, UA-79005 Lvov, Ukraine
来源：
PHYSICS LETTERS A | 2025年 / 534卷
关键词：
Partition function; Complex temperatures; Ising model; Ancilla qubit; Quantum computing; Fisher zeros;
D O I：
10.1016/j.physleta.2025.130251
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present a method for computing the squared modulus of the partition function for complex temperatures and Fisher zeros for the Ising model with two-spin as well as multi-spin interactions on a quantum computer. The method and corresponding quantum algorithm for calculating the squared modulus of the partition function and Fisher zeros are realized on a quantum computer for a two-spin cluster and a three-spin cluster with three-spin interaction. The results of quantum computing are in good agreement with theoretical results.
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页数：5
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