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Showing 2014 · cond-mat.str-elShow all
3 papers · 2 filters
cond-mat.str-el2014★ 5 cited
Effect of Single Impurity on Free Fermion Entanglement Entropy
Mohammad Pouranvari, Kun Yang, Alexander Seidel
The one-dimensional free Fermi gas is a prototype conformally invariant system, whose entanglement properties are well-understood. In this work, the effects of a single impurity on…
cond-mat.str-el2014
Non-Fermi Liquid Behavior Close to a Quantum Critical Point in a Ferromagnetic State without Local Moments
E. Svanidze, L. Liu, B. Frandsen +12
A quantum critical point (QCP) occurs upon chemical doping of the weak itinerant ferromagnet Sc_{3.1}In. Remarkable for a system with no local moments, the QCP is accompanied by no…
cond-mat.str-el2014★ 1 cited
Short-ranged interaction effects on topological phase transitions: The perturbative mean-field method
Hsin-Hua Lai, Hsiang-Hsuan Hung
Time-reversal symmetric topological insulator is a novel state of matter that a bulk-insulating state carries dissipationless spin transport along the surfaces, embedded by the $Z_…