Journal
PHYSICAL REVIEW B
Volume 95, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.95.041104
Keywords
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Funding
- DOE Grant [DE-FG02-03-ER46076]
- Simons Fellows Program
- NSF [DMR-1410435]
- I-Core
- Israeli excellence center Circle of Light
- People Programme (Marie Curie Actions) of the European Union's Seventh Framework under REA Grant [631696]
- European Research Council (ERC) under European Union's Horizon 2020 research and innovation programme [639172]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1410435] Funding Source: National Science Foundation
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The generation of photocurrent in an ideal two-dimensional Dirac spectrum is symmetry forbidden. In sharp contrast, we show that three-dimensionalWeyl semimetals can generically support significant photocurrents due to the combination of inversion symmetry breaking and finite tilts of the Weyl spectra. Symmetry properties, chirality relations, and various dependencies of this photovoltaic effect on the system and the light source are explored in detail. Our results suggest that noncentrosymmetric Weyl materials can be advantageously applied to room temperature detections of mid-and far-infrared radiations.
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