B. Hu, Z. Zhang, H. Zhang, L. Zheng, W. Xiong, Z. Yue, X. Wang, J. Xu, Y. Cheng, X. Liu, and J. Christensen
âNon-Hermitian topological whispering galleryâ
Nature 597, 655 (2021). [pdf]
X. Zhang, F. Zangeneh-Nejad, Z.-G. Chen, M.-H. Lu, and J. Christensen
âA Second Wave of Topological Phenomena in Photonics and Acousticsâ
Nature 618, 687 (2023). [pdf]
S. A. Cummer, J. Christensen and A. Alu
âControlling sound with acoustic metamaterialsâ
Nature Reviews Materials 1, 16001 (2016). [pdf]
Selected by the editor to be free during the APS March Meeting 2018.
K. Bertoldi, V. Vitelli, J. Christensen, and M. van Hecke
âFlexible mechanical metamaterialsâ
Nature Reviews Materials 2, 17066 (2017). [pdf]
Cover story [đ]
Z. Zhang, Y. Tian, Y. Wang, S. Gao, Y. Cheng, X. Liu, and J. Christensen
âDirectional acoustic antennas based on valley-Hall topological insulatorsâ
Advanced Materials 30, 1803229 (2018). [pdf]
Z. Zhang, H. Long, C. Liu, C. Shao, Y. Cheng, X. Liu, and J. Christensen
âDeep-subwavelength holey acoustic second-order topological insualatorsâ
Advanced Materials 31, 1904682 (2019). [pdf]
Cover story [đ]
C.-W. Chen, N. Lera, R. Chaunsali, D. Torrent, J. V. Alvarez, J. Yang, P. San-Jose, and J. Christensen
âMechanical analogue of a Majorana bound stateâ
Advanced Materials 31, 1904386 (2019). [pdf]
J. Liu, Z. Li, Y. Ding, A. Chen, B. Liang, J. Yang, J.-C. Cheng, and J. Christensen
âTwisting linear to orbital angular momentum in an ultrasonic motorâ
Advanced Materials 34, 2201575 (2022). [pdf]
Cover story [đ]
Y. Jia, Y. Liu, B. Hu, W. Xiong, Y. Bai, Y. Cheng, D. Wu, X. Liu, and J. Christensen
âOrbital angular momentum multiplexing in space-time thermoacoustic metasurfacesâ
Advanced Materials 34, 2202026 (2022). [pdf]
Cover story [đ]
J. Zheng , L. Zheng , S. Yu , S. Yang , L. Liu , X. Sun, Y.-F. Chen, M.-H. Lu, and J. Christensen
âFocusing micromechanical polaritons in topologically nontrivial hyperbolic metasurfacesâ
Advanced Materials 36, 2311599 (2024). [pdf]
Cover story [đ]
J. Christensen, A.I. Fernandez-Dominguez, F. de Leon-Perez, L. Martin-Moreno and F. J. Garcia-Vidal
âCollimation of sound assisted by acoustic surface wavesâ
Nature Physics 3, 851 (2007). [pdf]
Among the research highlights in Nature 450, 4 (2007). [pdf]
J. Zhu*, J. Christensen*, J. Jung, L. Martin-Moreno, X. Yin, L. Fok, F. J. Garcia-Vidal and Xiang Zhang
âA Holey structured metamaterial for acoustic deep subwavelength imagingâ
Nature Physics 7, 52 (2011). [pdf] *These authors contributed equally.
P. Gao and J. Christensen
âTopological vortices for sound and lightâ
Nature Nanotechnology 16, 487 (2021). [pdf]
M. Willatzen, P. Gao, J. Christensen, and Z. L. Wang
âAcoustic gain in solids due to piezoelectricity, flexoelectricity, and electrostrictionâ
Advanced Functional Materials 30, 2003503 (2020). [pdf]
J. Christensen, Martin-Moreno and F. J. Garcia-Vidal,
âTheory of resonant acoustic transmission through subwavelength aperturesâ
Physical Review Letters 101, 014301 (2008). [pdf]
J. Christensen and F. J. Garcia de Abajo
âAnisotropic metamaterials for full control of acoustic wavesâ
Physical Review Letters 108, 124301 (2012). [pdf]
V.M. Garcia-Chocano, J. Christensen and J. SĂĄnchez-Dehesa
âNegative refraction and energy funneling by hyperbolic materials: An experimental demonstration in acousticsâ
Physical Review Letters 112, 144301 (2014). [pdf]
J. Christensen. M. Willatzen. V. R. Velasco and M.-H. Lu
âParity-time synthetic phononic mediaâ
Physical Review Letters 116, 207601 (2016). [pdf]
M. Wang, L. Ye, J. Christensen, and Z. Liu
âValley Physics in non-Hermitian artificial Acoustic Boron Nitrideâ
Physical Review Letters 120, 246601 (2018). [pdf]
Z. Zhang, M. Rosendo Lopez, Y. Cheng, X. Liu, and J. Christensen
âNon-Hermitian sonic second-order topological insulatorâ
Physical Review Letters 122, 195501 (2019). [pdf]
P. Gao, D. Torrent, F. Cervera, P. San-Jose, J. Sanchez-Dehesa, and J. Christensen
âMajorana-like zero modes in KekulĂ© distorted sonic latticesâ
Physical Review Letters 123, 196601 (2019). [pdf]
Cover story [đ]
M. Rosendo-Lopez, F. Peñaranda, J. Christensen, and P. San-Jose
âFlat bands in magic-angle vibrating platesâ
Physical Review Letters 125, 214301 (2020). [pdf]
P. Gao, M. Willatzen, and J. Christensen
âAnomalous topological edge states in non-Hermitian piezophononic mediaâ
Physical Review Letters 125, 206402 (2020). [pdf]
C. Liu, W. Zhao, J. Shi, X. Zhou, C. Ma, R. Peng, M. Wang, Z. H. Hang, J. Christensen, N. X. Fang, and Y. Lai
âA three-dimensional soundproof acoustic metacageâ
Physical Review Letters 127, 084301 (2021). [pdf]
Editors’ suggestion.
L. Zheng and J. Christensen
âDirac hierarchy in acoustic topological insulatorsâ
Physical Review Letters 127, 156401 (2021). [pdf]
B. Hu, Z. Zhang, Z. Yue, D. Liao, Y. Liu, H. Zhang, Y. Cheng, X. Liu, and J. Christensen
âAnti-parity-time symmetry in a Su-Schrieffer-Heeger sonic latticeâ
Physical Review Letters 131, 066601 (2023). [pdf]
Editors’ suggestion, Cover story [đ]
L. Zhang, Y. Ge , Y.-J. Guan, F. Chen, N. Han, Q. Chen, Y. Pan, D. Jia, S-Q. Yuan , H.-X. Sun, J. Christensen, H. Chen, and Y. Yang
âNonreciprocal acoustic devices with asymmetric Peierls phasesâ
Physical Review Letters 133, 136601 (2024).[pdf]
G. Ma, C. Fu, G. Wang, P. del Hougne, J. Christensen, Y. Lai and P. Sheng
“Polarization Bandgaps and Fluid-like Elasticity in Fully Solid Elastic Metamaterials”
Nature Communications 7, 13536 (2016). [pdf]
J. Zhang, W. Rui, C. Ma, Y. Cheng, X. Liu, and J. Christensen
âRemote Whispering Metamaterial: Non-radiative transceiving of ultra-weak soundâ
Nature Communications 12, 3670 (2021). [pdf]
Z. Zhang, P. Gao, W. Liu, Z. Yue, Y. Cheng, X. Liu, and J. Christensen
âStructured sonic tube with carbon nanotube-like topological edge statesâ
Nature Communications 13, 5096 (2022). [pdf]
H.-X. Li, J.-J. Liu, Z.-X. Chen, K. Wu, B. Liang, J.-C. Cheng, and J. Christensen
âSuperwavelength Self-Healing of Spoof Surface Sonic Airy-Talbot Wavesâ
Nature Communications 14, 7633 (2023). [pdf]
R. Pernas, L. Zheng, Z. Zhang, P. Gao, X. Liu, C. Ying, and Johan Christensen
âTheory of non-Hermitian topological whispering galleryâ
NPJ Computational Materials 8, 241 (2022). [pdf]
L. Zheng, X. Zhang, M.-H. Lu, Y.-F. Chen, and J. Christensen
âKnitting topological bands in artificial sonic semimetalsâ
Materials Today Physics 16, 100299 (2021). [pdf]
X. Zhang, M. Xiao, Y. Cheng, M.-H. Lu, and J. Christensen
âTopological Soundâ
Communications Physics 1, 97 (2018). [pdf]
M. Rosendo-Lopez, Z. Zhang, D. Torrent, and J. Christensen
âMultiple scattering theory of non-Hermitian sonic second-order topological insulatorsâ
Communications Physics 2, 132 (2019). [pdf]
A. Merkel and J. Christensen
âUltrasonic nodal chains in topological granular metamaterialsâ
Communications Physics 2, 154 (2019). [pdf]
J. Christensen and F. J. Garcia de Abajo
âSlow plasmonic slab waveguide as a superlens for visible lightâ
Physical Review B (Rapid Communication) 82, 161103 (2010). [pdf]
J. Christensen, Z. Liang, and M. Willatzen
âMetadevices for the confinement of sound and broadband double-negativity behaviorâ
Physical Review B (Rapid Communication) 88, 100301 (2013). [pdf]
A figure of this article has been chosen as a PRB Kaleidoscope [image].
M. Willatzen, and J. Christensen
âAcoustic gain in piezoelectric semiconductors at É-near-zero responseâ
Physical Review B (Rapid Communication) 89, 041201 (2014). [pdf]
Z. Zhang, Y. Tian, Y. Cheng, X. Liu, and J. Christensen
âExperimental verification of acoustic pseudospin multipoles in a symmetry-broken snowflakelike topological insulatorâ
Physical Review B (Rapid Communication) 96, 241306 (2017). [pdf]
A figure of this article has been chosen as a PRB Kaleidoscope [image].
A.Merkel, V. Romero-Garcia, J.-P. Groby, J. Li, and J. Christensen
âUnidirectional zero sonic reflection in passive PT-symmetric Willis mediaâ
Physical Review B (Rapid Communication) 98, 201102 (2018). [pdf]
P. Gao, Z. Zhang, and J. Christensen
âSonic valley-Chern insulatorsâ
Physical Review B (Rapid Communication) 101, 020301 (2020). [pdf]
Z. Zhang, B. Hu, F. Liu, Y. Cheng, X. Liu, and J. Christensen
âPseudospin induced topological corner state at intersecting sonic latticesâ
Physical Review B (Rapid Communication) 101, 220102 (2020). [pdf]