Mesoscale field theory for quasicrystals
We present a mesoscale field theory unifying the modeling of growth, elasticity, and dislocations in quasicrystals. The theory is based on the amplitudes entering their density-wave representation. We introduce a free energy functional for complex amplitudes and assume nonconserved dissipative dynam...
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| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
| Published: |
American Physical Society
2024-12-01
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| Series: | Physical Review Research |
| Online Access: | http://doi.org/10.1103/PhysRevResearch.6.043285 |
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| _version_ | 1850116376498274304 |
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| author | Marcello De Donno Luiza Angheluta Ken R. Elder Marco Salvalaglio |
| author_facet | Marcello De Donno Luiza Angheluta Ken R. Elder Marco Salvalaglio |
| author_sort | Marcello De Donno |
| collection | DOAJ |
| description | We present a mesoscale field theory unifying the modeling of growth, elasticity, and dislocations in quasicrystals. The theory is based on the amplitudes entering their density-wave representation. We introduce a free energy functional for complex amplitudes and assume nonconserved dissipative dynamics to describe their evolution. Elasticity, including phononic and phasonic deformations, along with defect nucleation and motion, emerges self-consistently by prescribing only the symmetry of quasicrystals. Predictions on the formation of semicoherent interfaces and dislocation kinematics are given. |
| format | Article |
| id | doaj-art-968c3db4923e4557b9d2d0708cbef2d3 |
| institution | OA Journals |
| issn | 2643-1564 |
| language | English |
| publishDate | 2024-12-01 |
| publisher | American Physical Society |
| record_format | Article |
| series | Physical Review Research |
| spelling | doaj-art-968c3db4923e4557b9d2d0708cbef2d32025-08-20T02:36:19ZengAmerican Physical SocietyPhysical Review Research2643-15642024-12-016404328510.1103/PhysRevResearch.6.043285Mesoscale field theory for quasicrystalsMarcello De DonnoLuiza AnghelutaKen R. ElderMarco SalvalaglioWe present a mesoscale field theory unifying the modeling of growth, elasticity, and dislocations in quasicrystals. The theory is based on the amplitudes entering their density-wave representation. We introduce a free energy functional for complex amplitudes and assume nonconserved dissipative dynamics to describe their evolution. Elasticity, including phononic and phasonic deformations, along with defect nucleation and motion, emerges self-consistently by prescribing only the symmetry of quasicrystals. Predictions on the formation of semicoherent interfaces and dislocation kinematics are given.http://doi.org/10.1103/PhysRevResearch.6.043285 |
| spellingShingle | Marcello De Donno Luiza Angheluta Ken R. Elder Marco Salvalaglio Mesoscale field theory for quasicrystals Physical Review Research |
| title | Mesoscale field theory for quasicrystals |
| title_full | Mesoscale field theory for quasicrystals |
| title_fullStr | Mesoscale field theory for quasicrystals |
| title_full_unstemmed | Mesoscale field theory for quasicrystals |
| title_short | Mesoscale field theory for quasicrystals |
| title_sort | mesoscale field theory for quasicrystals |
| url | http://doi.org/10.1103/PhysRevResearch.6.043285 |
| work_keys_str_mv | AT marcellodedonno mesoscalefieldtheoryforquasicrystals AT luizaangheluta mesoscalefieldtheoryforquasicrystals AT kenrelder mesoscalefieldtheoryforquasicrystals AT marcosalvalaglio mesoscalefieldtheoryforquasicrystals |