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cond-mat.str-el2017★ 24 cited
Optical conductivity of a two-dimensional metal near a quantum-critical point: the status of the "extended Drude formula"
Andrey V. Chubukov, Dmitrii L. Maslov
The optical conductivity of a metal near a quantum critical point (QCP) is expected to depend on frequency not only via the scattering time but also via the effective mass, which a…
cond-mat.str-el2017★ 8 cited
Gradient terms in quantum-critical theories of itinerant fermions
Dmitrii L. Maslov, Prachi Sharma, Dmitrii Torbunov +1
We investigate the origin and renormalization of the gradient () term in the propagator of soft bosonic fluctuations in theories of itinerant fermions near a quantum critical…