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dc.contributor.authorRosenstein, B.en_US
dc.contributor.authorLewkowicz, M.en_US
dc.contributor.authorKao, H. C.en_US
dc.date.accessioned2014-12-08T15:29:21Z-
dc.date.available2014-12-08T15:29:21Z-
dc.date.issued2012en_US
dc.identifier.issn1742-6588en_US
dc.identifier.urihttp://hdl.handle.net/11536/21128-
dc.identifier.urihttp://dx.doi.org/10.1088/1742-6596/400/4/042051en_US
dc.description.abstractElectron - hole pairs are copuously created by an applied electric field near the Dirac point in graphene or similar 2D electronic systems. It was shown recently that for sufficiently large electric fields E and ballistic times the I-V characteristics become strongly nonlinear due to Schwinger's pair creation rate, proportional to E-3/2. Since there is no energy gap the radiation from the pairs' annihilation is enhanced. The spectrum of radiation is calculated and exhibits a maximum at omega = root eEvg/(h) over bar. The angular and polarization dependence of the emitted photons with respect to the graphene sheet is quite distinctive. For very large currents the recombination rate becomes so large that it leads to the second Ohmic regime due to radiation friction.en_US
dc.language.isoen_USen_US
dc.titleSignature of Schwinger's pair creation rate via radiation generated in graphene by strong electric currenten_US
dc.typeProceedings Paperen_US
dc.identifier.doi10.1088/1742-6596/400/4/042051en_US
dc.identifier.journal26TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT26), PTS 1-5en_US
dc.citation.volume400en_US
dc.contributor.department電子物理學系zh_TW
dc.contributor.departmentDepartment of Electrophysicsen_US
dc.identifier.wosnumberWOS:000314977100411-
Appears in Collections:Conferences Paper


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