• Directional acoustic antennas based on Valley-Hall topological insulators  (article)

  Zhang, Zhiwang; Tian, Ye; Wang, Yihe; Gao, Shuxiang; Cheng, Ying; Liu, Xiaojun; Christensen, Johan

  2018-09-06

  Advanced materials, vol. 30, issue 36 (1803229)
• Valley physics in non-Hermitian artificial acoustic boron nitride  (article)

  Wang, Mudi; Ye, Liping; Christensen, Johan; Liu, Zhengyou

  2018-06-15

  Physical review letters
• Optical force rectifiers based on PT-symmetric metasurfaces  (article)

  Alaee, Rasoul; Gurlek, Burak; Christensen, Johan; Kadic, Muamer

  2018-05-14

  Physical review B 97, 19 (195420)
• Dynamic nonreciprocity in loss-compensated piezophononic media  (article)

  Merkel, Aurélien Paul Lucien; Willatzen, Morten; Christensen, Johan

  2018-03-28

  Physical review applied, 9, 3 (034033)
• Topological acoustic delay line  (article)

  Zhang, Zhiwang; Tian, Ye; Cheng, Ying; Wei, Qi; Liu, Xiaojun; Christensen, Johan

  2018-03-28

  Physical review applied, 9, 3 (034032)

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