413 citations
- Center for Nanoscale Science and TechnologyUS2 papers
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4 papers · 1 filter
Quantum Criticality in Ferromagnetic Single-Electron Transistors
Stefan Kirchner, Lijun Zhu, Qimiao Si +1
Considerable evidence exists for the failure of the traditional theory of quantum critical points (QCPs), pointing to the need to incorporate novel excitations. The destruction of…
Magnetic Quantum Phase Transitions in Kondo Lattices
Qimiao Si, Jian-Xin Zhu, D. R. Grempel
The identification of magnetic quantum critical points in heavy fermion metals has provided an ideal setting for experimentally studying quantum criticality. Motivated by these exp…
Quantum critical properties of the Bose-Fermi Kondo Model in a large-N limit
Lijun Zhu, Stefan Kirchner, Qimiao Si +1
Studies of non-Fermi liquid properties in heavy fermions have led to the current interest in the Bose-Fermi Kondo model. Here we use a dynamical large-N approach to analyze an SU(N…
Momentum Resolved tunneling in a Luttinger Liquid
S. A. Grigera, A. J. Schofield, S. Rabello +1
We consider momentum resolved tunneling between a Luttinger liquid and a two dimensional electron gas as a function of transverse magnetic field. We include the effects of an anoma…