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Finite Size Scaling of Classical Long-Ranged Ising Chains and the Criticality of Dissipative Quantum Impurity Models
Stefan Kirchner, Qimiao Si, Kevin Ingersent
Motivated in part by quantum criticality in dissipative Kondo systems, we revisit the finite-size scaling of a classical Ising chain with 1/r^{2-epsilon} interactions. For 1/2<epsi…
Finite-temperature conductance signatures of quantum criticality in double quantum dots
Luis G. Dias da Silva, Kevin Ingersent, Nancy Sandler +1
We study the linear conductance through a double-quantum-dot system consisting of an interacting dot in its Kondo regime and an effectively noninteracting dot, connected in paralle…
Kondo physics in a dissipative environment
M. T. Glossop, N. Khoshkhou, K. Ingersent
We report nonperturbative results for the interacting quantum-critical behavior in a Bose-Fermi Kondo model describing a spin-1/2 coupled both to a fermionic band with a pseudogap…