What is recorded here?
Schmitt and colleagues studied transport in six encapsulated graphene devices and reported conductance consistent with a one-dimensional Klein–Schwinger electron–hole pair-creation model near current saturation. Across the device series, a fitted linear extrapolation was approximately 0.18 mS, close to the model’s 0.186 mS value.
Source-linked catalogue note. A detailed explanatory guide has not yet been prepared for this entry.
Scientific scope
The measured quantity is electrical conductance in graphene, not electron–positron creation from empty vacuum. The pair contribution is inferred using a device-dependent three-parameter subtraction of the intraband background; visibility varies and the effective gap and field profile involve modeling assumptions. The fitted zero-bias extrapolation is not a direct zero-bias conductance measurement. The supplemental device GrS1 has reduced mobility and accessible voltage range; its raw differential conductance shows no clear Schwinger signature, and the reported signal visibility is restored by subtracting a fitted Klein conductance. Other device-series interpretations similarly depend on this subtraction. The noise decomposition and small inferred Fano factor rely on the stated thermal and shot-noise model.
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People and systems
A. Schmitt; P. Vallet; D. Mele; M. Rosticher; T. Taniguchi; K. Watanabe; E. Bocquillon; G. Fève; J. M. Berroir; C. Voisin; J. Cayssol; M. O. Goerbig; J. Troost; E. Baudin; B. Plaçais
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English catalogue narrative
Graphene transport reveals a mesoscopic analogue of strong-field pair creation
Schmitt and colleagues studied transport in six encapsulated graphene devices and reported conductance consistent with a one-dimensional Klein–Schwinger electron–hole pair-creation model near current saturation. Across the device series, a fitted linear extrapolation was approximately 0.18 mS, close to the model’s 0.186 mS value.
Scientific scope
The measured quantity is electrical conductance in graphene, not electron–positron creation from empty vacuum. The pair contribution is inferred using a device-dependent three-parameter subtraction of the intraband background; visibility varies and the effective gap and field profile involve modeling assumptions. The fitted zero-bias extrapolation is not a direct zero-bias conductance measurement. The supplemental device GrS1 has reduced mobility and accessible voltage range; its raw differential conductance shows no clear Schwinger signature, and the reported signal visibility is restored by subtracting a fitted Klein conductance. Other device-series interpretations similarly depend on this subtraction. The noise decomposition and small inferred Fano factor rely on the stated thermal and shot-noise model.
Reading status
This is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.
People and systems
A. Schmitt; P. Vallet; D. Mele; M. Rosticher; T. Taniguchi; K. Watanabe; E. Bocquillon; G. Fève; J. M. Berroir; C. Voisin; J. Cayssol; M. O. Goerbig; J. Troost; E. Baudin; B. Plaçais
These are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.