Violation of detailed balance for charge-transfer statistics in   Coulomb-blockade systems
  We discuss the possibility to generate in Coulomb-blockade systems steady states that violate detailed balance. This includes both voltage biased and non-biased scenarios. The violation of detailed balance yields that the charge-transfer statistics for electrons tunneling into an island experiencing strong Coulomb interaction is different from the statistics for tunneling out. This can be experimentally tested by time-resolved measurement of the island's charge state. We demonstrate this claim for two model systems. 
Philipp Stegmann, J\"urgen K\"onig
cond-mat.mes-hall