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Frontiers in Phononics: Parity-Time Symmetric Phononic Metamaterials

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Publications

Flat Bands in Magic-Angle Vibrating Plates

Author(s): María Rosendo López, Fernando Peñaranda, Johan Christensen, Pablo San-Jose
Published in: Physical Review Letters, Issue 125/21, 2020, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.125.214301

Ultrasonic nodal chains in topological granular metamaterials

Author(s): Aurélien Merkel, Johan Christensen
Published in: Communications Physics, Issue 2/1, 2019, ISSN 2399-3650
Publisher: Nature Partner Journals
DOI: 10.1038/s42005-019-0256-z

Subwavelength Acoustic Valley-Hall Topological Insulators Using Soda Cans Honeycomb Lattices.

Author(s): Zhiwang Zhang; Y. Gu; Houyou Long; Ying Cheng; Xiaojun Liu; Johan Christensen
Published in: Research, Vol 2019 (2019), Issue 1, 2019, ISSN 2639-5274
Publisher: American Association for the Advancement of Science
DOI: 10.34133/2019/5385763

Flexible mechanical metamaterials

Author(s): Katia Bertoldi; Vincenzo Vitelli; Vincenzo Vitelli; Johan Christensen; Martin van Hecke
Published in: VOLUME=2;STARTPAGE=17066;TITLE=Nature Reviews Materials, Issue 1, 2017, ISSN 2058-8437
Publisher: Nature Portfolio
DOI: 10.1038/natrevmats.2017.66

Majorana-like Zero Modes in Kekulé Distorted Sonic Lattices

Author(s): Penglin Gao; Daniel Torrent; Francisco Cervera; Pablo San-Jose; José Sánchez-Dehesa; Johan Christensen
Published in: reponame:RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia, Issue 1, 2019, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.123.196601

Slow Surface Acoustic Waves via Lattice Optimization of a Phononic Crystal on a Chip

Author(s): Si-Yuan Yu, Ji-Qian Wang, Xiao-Chen Sun, Fu-Kang Liu, Cheng He, Huan-Huan Xu, Ming-Hui Lu, Johan Christensen, Xiao-Ping Liu, Yan-Feng Chen
Published in: Physical Review Applied, Issue 14/6, 2020, ISSN 2331-7019
Publisher: American Physical Society
DOI: 10.1103/physrevapplied.14.064008

Knitting topological bands in artificial sonic semimetals

Author(s): Li-Yang Zheng; Xiujuan Zhang; Ming-Hui Lu; Yan-Feng Chen; Johan Christensen
Published in: Materials Today Physics, Issue 1, 2020, ISSN 2542-5293
Publisher: Elsevier
DOI: 10.1016/j.mtphys.2020.100299

Topological radiation engineering in hyperbolic sonic semimetals

Author(s): Li-Yang Zheng; Johan Christensen
Published in: Phys. Rev. B, Issue 1, 2021, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/physrevb.103.064307

Orbital Angular Momentum Multiplexing in Space–Time Thermoacoustic Metasurfaces

Author(s): Yurou Jia; Yimin Liu; Bolun Hu; Wei Xiong; Yechao Bai; Ying Cheng; Dajian Wu; Xiaojun Liu; Johan Christensen
Published in: Crossref, Issue 1, 2022, ISSN 0935-9648
Publisher: United Nations Industrial Developement Organization
DOI: 10.1002/adma.202202026

Mechanical Analogue of a Majorana Bound State

Author(s): Chun‐Wei Chen, Natalia Lera, Rajesh Chaunsali, Daniel Torrent, Jose Vicente Alvarez, Jinkyu Yang, Pablo San‐Jose, Johan Christensen
Published in: Advanced Materials, Issue 31/51, 2019, Page(s) 1904386, ISSN 0935-9648
Publisher: United Nations Industrial Developement Organization
DOI: 10.1002/adma.201904386

Topological Sound Pumping of Zero‐Dimensional Bound States

Author(s): Penglin Gao, Johan Christensen
Published in: Advanced Quantum Technologies, Issue 3/9, 2020, Page(s) 2000065, ISSN 2511-9044
Publisher: Advanced Quantum Technologies (Wiley-VCH GmbH, Weinheim)
DOI: 10.1002/qute.202000065

Subwavelength multiple topological interface states in one-dimensional labyrinthine acoustic metamaterials

Author(s): Zhiwang Zhang, Ying Cheng, Xiaojun Liu, Johan Christensen
Published in: Physical Review B, Issue 99/22, 2019, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/physrevb.99.224104

Corner states in second-order mechanical topological insulator

Author(s): Chen, Chun-Wei; Chaunsali, Rajesh; Christensen, Johan; Theocharis, Georgios; Yang, Jinkyu
Published in: communications materials, Issue 18, 2021, ISSN 2662-4443
Publisher: Nature Publishing
DOI: 10.48550/arxiv.2009.03525

Multiple scattering theory of non-Hermitian sonic second-order topological insulators

Author(s): María Rosendo López, Zhiwang Zhang, Daniel Torrent, Johan Christensen
Published in: Communications Physics, Issue 2/1, 2019, ISSN 2399-3650
Publisher: Nature Research
DOI: 10.1038/s42005-019-0233-6

Polarization bandgaps and fluid-like elasticity in fully solid elastic metamaterials.

Author(s): Guancong Ma; Caixing Fu; Guanghao Wang; Philipp del Hougne; Johan Christensen; Yun Lai; Ping Sheng
Published in: instname:, Issue 1, 2016, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/ncomms13536

Dynamic Nonreciprocity in Loss-Compensated Piezophononic Media

Author(s): Aurélien Merkel, Morten Willatzen, Johan Christensen
Published in: Physical Review Applied, Issue 9/3, 2018, ISSN 2331-7019
Publisher: American Physical Society
DOI: 10.1103/physrevapplied.9.034033

Optical force rectifiers based on PT-symmetric metasurfaces

Author(s): Rasoul Alaee, Burak Gurlek, Johan Christensen, Muamer Kadic
Published in: Physical Review B, Issue 97/19, 2018, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/physrevb.97.195420

Optical Pulling and Pushing Forces in Bilayer P T -Symmetric Structures

Author(s): Rasoul Alaee, Johan Christensen, Muamer Kadic
Published in: Physical Review Applied, Issue 9/1, 2018, ISSN 2331-7019
Publisher: APS
DOI: 10.1103/PhysRevApplied.9.014007

Experimental verification of acoustic pseudospin multipoles in a symmetry-broken snowflakelike topological insulator

Author(s): Zhiwang Zhang, Ye Tian, Ying Cheng, Xiaojun Liu, Johan Christensen
Published in: Physical Review B, Issue 96/24, 2017, ISSN 2469-9950
Publisher: APS
DOI: 10.1103/PhysRevB.96.241306

Valley Hall phases in kagome lattices

Author(s): Natalia Lera, Daniel Torrent, P. San-Jose, J. Christensen, J. V. Alvarez
Published in: Physical Review B, Issue 99/13, 2019, ISSN 2469-9950
Publisher: APS
DOI: 10.1103/PhysRevB.99.134102

Directional Acoustic Antennas Based on Valley-Hall Topological Insulators

Author(s): Zhiwang Zhang, Ye Tian, Yihe Wang, Shuxiang Gao, Ying Cheng, Xiaojun Liu, Johan Christensen
Published in: Advanced Materials, Issue 30/36, 2018, Page(s) 1803229, ISSN 0935-9648
Publisher: United Nations Industrial Developement Organization
DOI: 10.1002/adma.201803229

Topological sound

Author(s): Xiujuan Zhang, Meng Xiao, Ying Cheng, Ming-Hui Lu, Johan Christensen
Published in: Communications Physics, Issue 1/1, 2018, ISSN 2399-3650
Publisher: NPG
DOI: 10.1038/s42005-018-0094-4

Non-Hermitian Sonic Second-Order Topological Insulator

Author(s): Zhiwang Zhang, María Rosendo López, Ying Cheng, Xiaojun Liu, Johan Christensen
Published in: Physical Review Letters, Issue 122/19, 2019, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/PhysRevLett.122.195501

Valley Physics in Non-Hermitian Artificial Acoustic Boron Nitride

Author(s): Mudi Wang, Liping Ye, J. Christensen, Zhengyou Liu
Published in: Physical Review Letters, Issue 120/24, 2018, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/PhysRevLett.120.246601

Unidirectional zero sonic reflection in passive PT -symmetric Willis media

Author(s): Aurélien Merkel, Vicent Romero-García, Jean-Philippe Groby, Jensen Li, Johan Christensen
Published in: Physical Review B, Issue 98/20, 2018, ISSN 2469-9950
Publisher: APS
DOI: 10.1103/PhysRevB.98.201102

Ultrathin acoustic parity-time symmetric metasurface cloak

Author(s): Li, Hao-Xiang; Rosendo-Lopez, Maria; Zhu, Yi-Fan; Fan, Xu-Dong; Torrent, Daniel; Liang, Bin; Cheng, Jian-Chum; Christensen, Johan
Published in: SPJ Research, Issue 1, 2019, ISSN 2058-8437
Publisher: Under review in SPJ Research

Topological Acoustic Delay Line

Author(s): Zhiwang Zhang, Ye Tian, Ying Cheng, Qi Wei, Xiaojun Liu, Johan Christensen
Published in: Physical Review Applied, Issue 9/3, 2018, ISSN 2331-7019
Publisher: APS
DOI: 10.1103/PhysRevApplied.9.034032

Deep‐Subwavelength Holey Acoustic Second‐Order Topological Insulators

Author(s): Zhiwang Zhang, Houyou Long, Chen Liu, Chen Shao, Ying Cheng, Xiaojun Liu, Johan Christensen
Published in: Advanced Materials, Issue 31/49, 2019, Page(s) 1904682, ISSN 0935-9648
Publisher: United Nations Industrial Developement Organization
DOI: 10.1002/adma.201904682

Sonic valley-Chern insulators

Author(s): Penglin Gao, Zhiwang Zhang, Johan Christensen
Published in: Physical Review B, Issue 101/2, 2020, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/physrevb.101.020301

Dirac Hierarchy in Acoustic Topological Insulators.

Author(s): Li-Yang Zheng; Johan Christensen
Published in: Physical Review Letters, Issue 4, 2021, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.127.156401

Non-Hermitian topological whispering gallery

Author(s): B. Hu, Z. Zhang, H. Zhang, L. Zheng, W. Xiong, Z. Yue, X. Wang, J. Xu, Y. Cheng, X. Liu, and J. Christensen
Published in: Nature, 2021, ISSN 0028-0836
Publisher: Nature Publishing Group
DOI: 10.1038/s41586-021-03833-4

Pseudospin induced topological corner state at intersecting sonic lattices

Author(s): Zhiwang Zhang, Bolun Hu, Feng Liu, Ying Cheng, Xiaojun Liu, Johan Christensen
Published in: Physical Review B, Issue 101/22, 2020, ISSN 2469-9950
Publisher: American Physical Society
DOI: 10.1103/physrevb.101.220102

$\PT$ symmetric sonic crystals: From asymmetric echoes to supersonic speeds

Author(s): Maria Rosendo-Lopez; Aurélien Merkel; Johan Christensen
Published in: instname:Universidad Carlos III de Madrid (UC3M), Issue 4, 2018, ISSN 0295-5075
Publisher: EDP Sciences
DOI: 10.1209/0295-5075/124/34001

Anomalous Topological Edge States in Non-Hermitian Piezophononic Media

Author(s): Penglin Gao, Morten Willatzen, Johan Christensen
Published in: Physical Review Letters, Issue 125/20, 2020, ISSN 0031-9007
Publisher: American Physical Society
DOI: 10.1103/physrevlett.125.206402

Other Research Products

Corner states in second-order mechanical topological insulator

Author(s): Chen, Chun-Wei; Chaunsali, Rajesh; Christensen, Johan; Theocharis, Georgios; Yang, Jinkyu
Published in: arXiv

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