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Giant intrinsic photoresponse in pristine graphene
Qiong Ma, Chun Hung Lui, Justin C. W. Song +14
When the Fermi level matches the Dirac point in graphene, the reduced charge screening can dramatically enhance electron-electron (e-e) scattering to produce a strongly interacting…
Transport signatures of surface states in a Weyl semimetal: evidence of field driven Fermi arc interferometry
Nityan L. Nair, Marie-Eve Boulanger, Francis Laliberté +8
A signature property of Weyl semimetals is the existence of topologically protected surface states - arcs in momentum space that connect Weyl points in the bulk. However, the prese…
Dirac fermions in the heavy-fermion superconductors Ce(Co,Rh,Ir)In
Kent R. Shirer, Yan Sun, Maja D. Bachmann +13
The Ce(Co,Rh,Ir)In family of ``Ce-115'' materials hosts an abundance of correlated electron behavior, including heavy-fermion physics, magnetism, superconductivity and nematici…
Resonance-enhanced optical nonlinearity in the Weyl semimetal TaAs
Shreyas Patankar, Liang Wu, Baozhu Lu +10
While all media can exhibit first-order conductivity describing current linearly proportional to electric field, , the second-order conductivity, , relating current to…