波长分割复杂光学Ising模拟器,使完全可编程的旋转合和外部磁场成为可能.
Li Luo1, Zhiyi Mi1, Junyi Huang1
1School of Physics, State Key Laboratory of Extreme Photonics and Instrumentation, and Zhejiang Province Key Laboratory of Quantum Technology and Device, Zhejiang University, Hangzhou 310027, China.
Science advances
|December 1, 2023
概括
研究人员为Ising机器开发了一种新的尺度转换方案,使任意旋转相互作用成为可能. 这个光子Ising机器模拟复杂的旋转系统,并有效地解决像Max-Cut这样的优化问题.
科学领域:
- 量子计算和优化 量子计算和优化
- 用于计算的光子系统.
背景情况:
- 旋转哈密尔顿数对于解决组合优化问题至关重要.
- 在非传统的Ising机器中实现任意的旋转-旋转相互作用仍然是一个重大挑战.
研究的目的:
- 提出一个通用测距转换方案,以使Ising机器中任意的旋转互动和外部磁场成为可能.
- 开发和演示可编程空间光子Ising机器 (SPIM),能够进行通用旋转合.
主要方法:
- 一个新的尺度转换方案将Ising Hamiltonians分解成多个马蒂斯类型的相互作用.
- 一台波长分割多重复合空间光子Ising机器 (SPIM) 设计用于实现可编程通用旋转合.
- 对±J模型,Sherrington-Kirkpatrick模型和J1-J2模型进行了模拟,以观察相位过渡.
主要成果:
- 开发的SPIM成功地展示了可编程的一般旋转合相互作用.
- 模拟显示了各种旋转系统中的相位过渡.
- SPIM被用来进行地面状态搜索,以解决Max-Cut问题.
结论:
- 拟议的测距转换方案有效地实现了Ising机器中的任意旋转互动和外部场.
- 波长分割复合SPIM提供了一个强大的平台来模拟复杂的旋转系统和解决优化问题.
- 这项工作为通用大规模Ising模型的超快,高功率效率的博尔兹曼采样铺平了道路.
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