宏观量子效应与超导量子计算——2025年诺贝尔物理学奖解读
Macroscopic quantum effects and superconducting quantum computing——Understanding the 2025 Nobel Prize in Physics
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摘要:
2025年诺贝尔物理学奖表彰了电路中宏观量子效应的实验验证,这项发现为当前蓬勃发展的超导量子计算技术奠定了物理基础,文章旨在介绍其原理与影响。首先详细介绍获奖内容,从量子隧穿与宏观量子隧穿的基本原理讲起,阐述超导体与约瑟夫森结如何为观测这些效应提供理想平台,之后介绍获奖者们如何通过精密的实验手段验证这些宏观量子现象。最后,将进一步探讨基于这些宏观量子效应发展起来的超导量子计算技术,内容涵盖其基本原理、实现方法以及当前的发展现状与未来展望。
Abstract:The 2025 Nobel Prize in Physics recognized the experimental verification of macroscopic quantum effects in circuits. This discovery laid the physical foundation for the currently burgeoning field of superconducting quantum computing. This article aims to introduce its principles and impact. We will first detail the prize-winning work, beginning with the fundamental principles of quantum tunneling and macroscopic quantum tunneling, and then elucidate how superconductors and Josephson junctions provide an ideal platform for observing these effects. Finally, we will describe how the laureates verified these macroscopic quantum phenomena through precise experimental techniques. We will furthermore explore the field of superconducting quantum computing, a technology developed based on these macroscopic quantum effects, covering its fundamental principles, implementation, current state of development, and future prospects.
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