RLC电路的宇称-时间-对称物理模拟实验教学探索EXPLORING EXPERIMENTAL TEACHING OF PARITY-TIME SYMMETRIC PHYSICS WITH RLC CIRCUITS
李涛,陈忠善,邱康燕,周成坤,许哲康,薛玉琪,李佳明
摘要(Abstract):
满足宇称-时间(Parity-Time,PT)-对称的哈密顿量在其PT-对称区间也可以具有全实数的本征值,是非厄米量子力学中的一种特殊情况,已被广泛用于开放系统的物理研究。一对电磁耦合的并联电阻-电感-电容(RLC)谐振电路,在加入等增益(耗散)强度的正负电阻对后,可构建出这类PT-对称的非厄米系统。本文介绍基于RLC谐振电路实现PT-对称物理研究的教学设计及实践探索,同时提供了更深入理解PT-对称和RLC谐振结合后的多级相变特性的实验研究。
关键词(KeyWords): PT-对称;稳态PT-对称电路;非厄米系统;RLC谐振电路
基金项目(Foundation): 国家自然科学基金(12174458)资助;; 中山大学中央高校基本科研业务费(2021qntd28,24xkjc015)资助
作者(Author): 李涛,陈忠善,邱康燕,周成坤,许哲康,薛玉琪,李佳明
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