Quantum impurity in a Luttinger liquid: Universal conductance with entanglement renormalization

Ya-Lin Lo ( ),1,2 Yun-Da Hsieh ( ),1,2 Chang-Yu Hou,3 Pochung Chen ( ),4,5,* and Ying-Jer Kao ( )1,5,6,† 1Department of Physics, National Taiwan University, Taipei 10607, Taiwan 2Center of Theoretical Sciences, National Taiwan University, Taipei 10607, Taiwan 3Department of Physics, California Institute of Technology, Pasadena, California 91125, USA 4Department of Physics, National Tsing Hua University, Hsinchu 30013, Taiwan 5Physics Division, National Center for Theoretical Sciences, Hsinchu 30013, Taiwan 6Center of Advanced Study in Theoretical Science, National Taiwan University, Taipei 10607, Taiwan (Received 3 March 2014; revised manuscript received 18 November 2014; published 15 December 2014)