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20192023
most citedInterpreting cosmological tensions from the effective field theory of torsional gravity

102 citations · 120 across the 5 of their papers we have counts for

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Showing 2023 · physics.opticsShow all

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physics.optics2023★ 5 cited

Non-Hermitian guided modes and exceptional points using loss-free negative-index materials

Li-Ting Wu, Xin-Zhe Zhang, Ru-Zhi Luo +1

We analyze the guided modes in coupled waveguides made of negative-index materials without gain or loss. We show that it supports non-Hermitian phenomenon on the existence of guide…