J. Z. Bernad, M. Jaaskelainen, U. Zuelicke
Published 2009-09-04, updated 2010-02-06Version 2
We use linear-response theory to evaluate the frequency-dependent conductivity of a system subject to a continuous quantum measurement of the current. Application of this formalism to graphene yields a consistent framework for discussing nonuniversal values of its minimal conductivity.
Comments: 4 pages, 3 figures; introduction rewritten, updated reference list, in publication the phrase "continuous quantum measurement" has been banished
Journal: Phys. Rev. B 81, 073403 (2010)
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