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Anti–parity-time symmetry in diffusive systems

  • 发布时间:2020-05-16
  • 点击次数:
  • 发表刊物:Science
  • 摘要:Various concepts related to parity-time symmetry, including anti–parity-time symmetry, have found broad applications in wave physics. Wave systems are fundamentally described by Hermitian operators, whereas their unusual properties are introduced by incorporation of gain and loss. We propose that the related physics need not be restricted to wave dynamics, and we consider systems described by diffusive dynamics. We study the heat transfer in two countermoving media and show that this system exhibits anti–parity-time symmetry. The spontaneous symmetry breaking results in a phase transition …
  • 卷号:364
  • 期号:6436
  • 页面范围:170-173
  • 是否译文:
  • 发表时间:2019

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