106. J. Christensen, M. Haberman, A. Srivastava, G. Huang, and G. Shmuel
âPerspective on Non-Hermitian elastodynamicsâ
Submitted (2024).
105. Q. Ji, B. Li, C. Wang, J. Christensen, and M. Kadic
âSuperconductivity and semimetal insulator transition in strained mono- and bi-layers of grapheneâ
Submitted (2024).
104. J. Shi, H. Chu, A. Merkel, C. Liu, J. Christensen, X. Liu, and Y. Lai
âParity metamaterials and dynamic acoustic camouflagesâ
Submitted (2023).
103. Y. Wang, Y. Ding, B. Liang, J. Cheng, and J. Christensen
âExperimental demonstration of a sonic valley-Chern insulatorâ
Submitted (2023).
102. R. Pernas-SalomĂłn, P. Gao, Z. Zhang, and J. Christensen
âInvestigating topological valley disclinations using multiple scattering and null-field theoriesâ
Submitted (2023).
101. B. Hu, Z. Zhang, Y. Liu, D. Liao, Y. Zhu, H. Zhang, Y. Cheng, X. Liu, and J. Christensen
âEngineering non-Hermitian second-order topological sound via thermoacoustic gain and loss texturesâ
Submitted (2023).
100. D. Liao, J. Zhang, S. Wang, Z. Zhang, A. Cortijo, M. A. H. Vozmediano, F. Guinea, Y. Cheng, X. Liu, and J. Christensen
âVisualizing the topological pentagon states of a giant C540 metamaterialâ
Submitted (2023).
99. W. Wang, J. Hu, J. Liu, Y. Tan, J. Yang, B. Liang, J. Christensen, and J. Cheng
âSingle-sensor and real-time ultrasonic imaging using an AI-driven disordered metasurfaceâ
Submitted (2023). [preprint]
98. 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]
97. L. Zheng and J. Christensen
âThree-dimensional quantum Hall effect in acoustic crystalsâ
Science Bulletin 123, 242201 (2024). [pdf]
96. 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]
95. Z. Yue, Z. Zhang, Y. Cheng, X. Liu, and J. Christensen
âAcoustic real second-order nodal-loop semimetal and non-Hermitian modulationâ
Applied Physics Letters 123, 242201 (2023). [pdf]
94. 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]
93. C.-X. Zhang, A. Chen, W. Hu, J. Yang, B. Liang, J. Christensen, and J.-C. Cheng
âTopological heterostructures for spectrally nearly constant intensity enhancements of audio sound and ultrasonicsâ
Physical Review Applied. 20, 024040 (2023). [pdf]
92. D. Liao, Y. Liu, Z. Zhang, X. Liu, C. Ying, and J. Christensen
âTopological acoustic rainbow trapping at deep-subwavelength cornersâ
Science Bulletin 68, 1744 (2023). [pdf]
91. 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]
90. 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]
89. D. Tan, M. Willatzen, and J. Christensen
âStructuring thermal transport in pristine graphene with h-BN nanoringsâ
J. Phys. Chem. Solids 180, 111414 (2023). [pdf]
88. A. O. Krushynska, …J. Christensen et al.
âEmerging topics in nanophononics, elastic, acoustic and mechanical metamaterials: An overviewâ
Nanophotonics 12, 659 (2023). [pdf]
87. J. Feilhauer, M. Zelent, Z. Zhang, J. Christensen, and M. Mruczkiewicz
âUnidirectional spin-wave edge modes in magnonic crystalâ
APL Materials 11, 021104 (2023). [pdf]
86. D. KarliciÄ, M. CajiÄ, S. PaunoviÄ, A. ObradoviÄ, S. Adhikari, and J. Christensen
âNon-reciprocal wave propagation in time-modulated elastic lattices with inertersâ
Applied Mathematical Modelling 117, 316 (2023). [pdf]
85. M. CajiÄ, D. KarliciÄ, J. Christensen, and S. Adhikari
âTunable topological interface states in one-dimensional inerter-based locally resonant lattices with dampingâ
Journal of Sound and Vibration 542, 117326 (2023). [pdf]
84. J. Shi, C. Liu, C. Guo, H. Chu, X. Liu, J. Christensen, and Y. Lai
âBroadband acoustic metaveils for configurable camouflageâ
Physical Review Applied 18, 064064 (2022). [pdf]
83. M. Rosendo-Lopez, Z. Zhang, D. Torrent, and J. Christensen
âTheory of holey twistsonic mediaâ
Communications Materials 3, 99 (2022). [pdf]
82. R. Pernas-SalomĂłn, L. Zheng, Z. Zhang, P. Gao, X. Liu, C. Ying, and J. Christensen
âTheory of non-Hermitian topological whispering galleryâ
NPJ Computational Materials 8, 241 (2022). [pdf]
81. P. Gao, Y. Qu, and J. Christensen
âNon-Hermitian elastodynamics in gyro-odd continuum mediaâ
Communications Materials 3, 74 (2022). [pdf]
80. 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]
79. 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]
78. 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]
77. M MallĂ©jac, T Cavalieri, V Romero-GarcĂa, A Merkel, D Torrent, J. Christensen, J. Li, and J.-P. Groby
âNon-locality of the Willis coupling in fluid laminatesâ
Wave Motion 110, 102892 (2022). [pdf]
76. W. Xiong, P. Gao, Z. Zhang, Z. Yue, H. Zhang, Y. Cheng, Y. Liu, and J. Christensen
âDemultiplexing sound in stacked valley-Hall topological insulatorsâ
Physical Review B 104, 224108 (2021). [pdf]
75. C. Oliver, G. Poignand, M. Mallejac, V. Romero-Garcia, G. Penelt, A. Merkel, D. Torrent, J. Li, J. Christensen, and J.-P. Groby
âNonreciprocal and even Willis couplings in periodic thermoacoustic amplifiersâ
Physical Review B 104, 184109 (2021). [pdf]
74. L. Zheng and J. Christensen
âDirac hierarchy in acoustic topological insulatorsâ
Physical Review Letters 127, 156401 (2021). [pdf]
73. 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]
72. 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.
71. M. CajiÄ, J. Christensen, and S. Adhikari
âTuning of topological interface modes in an elastic beam array system with inertersâ
Int. J. Mech. Sci. 205, 106573 (2021). [pdf]
70. 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]
69. C.-W. Chen, R. Chaunsali, J. Christensen, G. Theocharis, and J. Yang
âCorner states in mechanical second-order topological insulatorsâ
Communications Materials 2, 69 (2021). [pdf]
68. P. Gao and J. Christensen
âTopological vortices for sound and lightâ
Nature Nanotechnology 16, 487 (2021). [pdf]
67. M. Mallejac, A. Merkel, J. Sanchez-Dehesa, J. Christensen, V. Tournat, J.-P. Groby, and V. Romero-Garcia
âExperimental evidence of a hiding zone in a Density-Near-Zero Acoustic Metamaterialâ
Journal of Applied Physics 129, 145101 (2021). [pdf]
66. L. Zheng and J. Christensen
âTopological radiation engineering in hyperbolic sonic semimetalsâ
Physical Review B 103, 064307 (2021). [pdf]
65. 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]
64. S.-Y. Yu, J.-Q. Wang, X.-C. Sun, F.-K. Liu, C. He, H.-H. Xu, M.-H. Lu, J. Christensen, X.-P. Liu, and Y.-F. Chen
âSlow surface acoustic waves via lattice optimization of a phononic crystal on a chipâ
Physical Review Applied 14, 064008 (2020). [pdf]
63. 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]
62. P. Gao, M. Willatzen, and J. Christensen
âAnomalous topological edge states in non-Hermitian piezophononic mediaâ
Physical Review Letters 125, 206402 (2020). [pdf]
61. P. Gao and J. Christensen
âTopological sound pumping of zero-dimensional bound statesâ
Advanced Quantum Technologies 3, 2000065 (2020). [pdf]
Cover story [đ]
60. 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]
59. 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]
58. P. Gao, Z. Zhang, and J. Christensen
âSonic valley-Chern insulatorsâ
Physical Review B (Rapid Communication) 101, 020301 (2020). [pdf]
57. A. Merkel and J. Christensen
âUltrasonic nodal chains in topological granular metamaterialsâ
Communications Physics 2, 154 (2019). [pdf]
56. 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]
55. 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]
54. 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]
53. 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]
52. M. Mallejac, A. Merkel, J. Sanchez-Dehesa, J. Christensen, V. Tournat, J.-P. Groby, and V. Romero-Garcia
âZero-phase propagation in realistic plate-type acoustic metamaterialsâ
Applied Physics Letters 115, 134101 (2019). [pdf]
Selected as an APL Editor’s Pick [link]
51. H.-X. Li, M. Rosendo-Lopez, Y.-F. Zhu, X.-D. Fan, D. Torrent, B. Liang, J.-C. Chun, and J.Christensen
âUltrathin acoustic parity-time symmetric metasurface cloakâ
SPJ Research 2019, 8345683 (2019). [pdf]
50. Z. Zhang, Y. Gu, H. Long, Y. Cheng, X. Liu, and J. Christensen
âSubwavelength Acoustic Valley-Hall Topological Insulators Using Soda Cans Honeycomb Latticesâ
SPJ Research 2019, 5385763 (2019). [pdf]
49. Z. Zhang, Y. Cheng, X. Liu, and J. Christensen
âSubwavelength multiple topological interface states in 1D labyrinthine acoustic metamaterialsâ
Physical Review B 99, 224104 (2019). [pdf]
48. 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]
47. N. Lera, D. Torrent, P. San-Jose, J. Christensen, and J. V. Alvarez
âValley Hall phases in Kagome latticesâ
Physical Review B 99, 134102 (2019). [pdf]
46. B. Li, Z. Li, J. Christensen, and K. T. Tan
âDual Dirac cones in elastic Lieb-like lattice metamaterialsâ
Applied Physics Letters 114, 081906 (2019). [pdf]
45. X. Zhang, M. Xiao, Y. Cheng, M.-H. Lu, and J. Christensen
âTopological Soundâ
Communications Physics 1, 97 (2018). [pdf]
44. M. Rosendo-Lopez, A. Merkel, and J. Christensen
âPT symmetric sonic crystals: From asymmetric echoes to supersonic speedsâ
EPL (Europhysics Letters) 124, 34001 (2018). [pdf]
43. 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]
42. 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]
41. 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]
40. B. Li, K. T. Tan, and J. Christensen
âHeat conduction tuning by hyperbranched nanophononic metamaterialsâ
Journal of Applied Physics 123, 205105 (2018). [pdf]
39. R. Alaee, B. Gurlek, J. Christensen, and M. Kadic
âOptical force rectifiers based on PT-symmetric metasurfacesâ
Physical Review B 97, 195420 (2018). [pdf]
38. A. Merkel, M. Willatzen, and J. Christensen
âDynamic nonreciprocity in loss-compensated piezo-phononic mediaâ
Physical Review Applied 9, 034033 (2018). [pdf]
37. Z. Zhang, Y. Tian, Y. Cheng, Q. Wei, X. Liu, and J. Christensen
âTopological acoustic delay lineâ
Physical Review Applied 9, 034032 (2018). [pdf]
36. R. Alaee, J. Christensen, and M. Kadic
âOptical pulling and pushing forces in bilayer PT-symmetric structuresâ
Physical Review Applied 9, 014007 (2018). [pdf]
35. 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].
34. K. Bertoldi, V. Vitelli, J. Christensen, and M. van Hecke
âFlexible mechanical metamaterialsâ
Nature Reviews Materials 2, 17066 (2017). [pdf]
Cover story [đ]
33. C. David and J. Christensen
âExtraordinary transmission through nonlocal holey metal filmsâ
Applied Physics Letters 110, 261110 (2017). [pdf]
Selected by Editor Shanhui Fan as an APL Editor’s Pick [link]
32. B. Li, K. T. Tan and J. Christensen
“Tailoring the thermal conductivity in nanophononic metamaterials”
Physical Review B 95, 144305 (2017). [pdf]
31. 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]
30. C. David, J. Christensen and N. A. Mortensen
“Spatial dispersion in 2D plasmonic crystals: Large blueshifts promoted by diffraction anomalies”
Physical Review B 94, 165410 (2016). [pdf]
29. J. Christensen
âCoalescence towards exceptional contours in synthetic phononic mediaâ
EPL (Europhysics Letters) 114, 47007 (2016). [pdf]
28. J. Christensen. M. Willatzen. V. R. Velasco and M.-H. Lu
âParity-time synthetic phononic mediaâ
Physical Review Letters 116, 207601 (2016). [pdf]
27. 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.
26. W. Wang, B.-H. Li, N. A. Mortensen, and J. Christensen
“Localized surface plasmons in vibrating graphene nanodisks”
Nanoscale 8, 3809 (2016). [pdf]
25. Z. Liang, M. Willatzen, and J. Christensen
âMechanical properties of laminate materials: From surface waves to Bloch oscillationsâ
Physical Review Applied 4, 044012 (2015). [pdf]
24. J. Christensen, M. Kadic, O. Kraft, and M. Wegener
âVibrant times for mechanical metamaterialsâ
Prospective article in MRS Commun. 5, 453 (2015). [pdf]
23. J. Christensen and M. Willatzen
âTunable broadband acoustic gain in piezoelectric semiconductors at É-near-zero responseâ
Acta Acust. United Ac. 10, 986 (2015). [pdf]
22. J. Christensen, Z. Liang and M. Willatzen
âMinimal model for spoof acoustoelastic surface statesâ
Special Topic: Selected Articles from Phononics 2013, Phononic Metamaterials, AIP Advances 4, 124301 (2014). [pdf]
21. J. Christensen, N. A. Mortensen and M. Willatzen
âModelling the acoustical response of lossy lamella-crystalsâ
Journal of Applied Physics 116, 163508 (2014). [pdf]
20. J. Christensen and M. Willatzen
âAcoustic wave propagation and stochastic effects in metamaterial absorbersâ
Applied Physics Letters 105, 043508 (2014). [pdf]
19. 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]
18. J. Christensen, V. Romero-GarcĂa, R. PicĂł, A. Cebrecos, F.J. GarcĂa de Abajo, N.A. Mortensen, M. Willatzen and V.J. SĂĄnchez-Morcillo
âExtraordinary absorption of sound in porous lamella-crystalsâ
Scientific Reports 4, 4674 (2014). [pdf]
17. M. Willatzen, and J. Christensen
âAcoustic gain in piezoelectric semiconductors at É-near-zero responseâ
Physical Review B (Rapid Communication) 89, 041201 (2014). [pdf]
16. 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].
15. C. David, N.A. Mortensen, and J. Christensen
“Perfect imaging, epsilon-near zero phenomena and waveguiding in the scope of nonlocal effects”
Scientific Reports 3, 2526 (2013). [pdf]
14. Z. Liang, M. Willatzen, Jensen Li and J. Christensen
âTunable acoustic double negativity metamaterialâ
Scientific Reports 2, 859 (2012). [pdf]
13. J. Christensen and F. J. Garcia de Abajo
âNegative refraction and backward waves in layered acoustic metamaterialsâ
Physical Review B 86, 024301 (2012). [pdf]
This article has been selected by the editors as an âEditorâs choiceâ.
12. J. Christensen and F. J. Garcia de Abajo
âAnisotropic metamaterials for full control of acoustic wavesâ
Physical Review Letters 108, 124301 (2012). [pdf]
11. J. Christensen and M. Willatzen
âFlow-induced resonance shift in sonic slit array metamaterialsâ
Physical Review B 85, 094304 (2012). [pdf]
10. J. Christensen, A. Manjavacas, S. Thongrattanasiri, F. H. L. Koppens and F. J. Garcia de Abajo
âGraphene plasmon waveguiding and hybridization in individual and paired nanoribbonsâ
ACS Nano 6, 432 (2012). [pdf]
9. 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.
8. J. Christensen and F. J. Garcia de Abajo
âAcoustic field enhancement and subwavelength imaging by coupling to slab waveguidemodesâ
Applied Physics Letters 97, 164103 (2010). [pdf]
7. 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]
6. J. Christensen, L. Martin-Moreno and F. J. Garcia-Vidal
âAll-angle blockage of sound by an acoustic metamaterialâ
Applied Physics Letters 97, 134106 (2010). [pdf]
5. J. Christensen, Martin-Moreno and F. J. Garcia-Vidal
âCollimation of horizontally polarized shear waves by means of ridge grating supported Love modesâ
Applied Physics Letters 96, 233505 (2010). [pdf]
4. J. Christensen, Martin-Moreno and F. J. Garcia-Vidal
âEnhanced acoustical transmission and beaming effect through a single apertureâ
Physical Review B 81, 174104 (2010). [pdf]
3. J. Christensen, P. A. Huidobro, Martin-Moreno and F. J. Garcia-Vidal
âConfining and slowing airborne sound with a corrugated metawireâ
Applied Physics Letters 93, 083502 (2008). [pdf]
2. J. Christensen, Martin-Moreno and F. J. Garcia-Vidal,
âTheory of resonant acoustic transmission through subwavelength aperturesâ
Physical Review Letters 101, 014301 (2008). [pdf]
1. 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]