Incommensurability in a 1D quasiperiodic model enhances superconductivity by raising Tc and replacing BCS exponential scaling with algebraic scaling in the critical and localized phases.
Optical mesh lattices with PT-symmetry
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abstract
We investigate a new class of optical mesh periodic structures that are discretized in both the transverse and longitudinal directions. These networks are composed of waveguide arrays that are discretely coupled while phase elements are also inserted to discretely control their effective potentials and can be realized both in the temporal and the spatial domain. Their band structure and impulse response is studied in both the passive and parity-time (PT) symmetric regime. The possibility of band merging and the emergence of exceptional points along with the associated optical dynamics are considered in detail both above and below the PT-symmetry breaking point. Finally unidirectional invisibility in PT-synthetic mesh lattices is also examined along with possible superluminal light transport dynamics.
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cond-mat.supr-con 1years
2023 1verdicts
UNVERDICTED 1representative citing papers
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Incommensurability-Induced Enhancement of Superconductivity in One Dimensional Critical Systems
Incommensurability in a 1D quasiperiodic model enhances superconductivity by raising Tc and replacing BCS exponential scaling with algebraic scaling in the critical and localized phases.