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Kondo Screening Cloud and Charge Quantization in Mesoscopic Devices
Rodrigo G. Pereira, Nicolas Laflorencie, Ian Affleck +1
We propose that the finite size of the Kondo screening cloud, xi_K, can be probed by measuring the charge quantization in a one-dimensional system coupled to a small quantum dot. W…
Chain breaks and the susceptibility of Sr_2Cu_{1-x}Pd_xO_{3+δ} and other doped quasi one-dimensional antiferromagnets
J. Sirker, N. Laflorencie, S. Fujimoto +2
We study the magnetic susceptibility of one-dimensional S=1/2 antiferromagnets containing non-magnetic impurities which cut the chain into finite segments. For the susceptibility o…
Quantum spin glass in anisotropic dipolar systems
M. Schechter, P. C. E. Stamp, N. Laflorencie
The spin-glass phase in the $\LHx$ compound is considered. At zero transverse field this system is well described by the classical Ising model. At finite transverse field deviation…
Impurity Entanglement Entropy and the Kondo Screening Cloud
Erik S. Sørensen, Ming-Shyang Chang, Nicolas Laflorencie +1
The screening of an impurity spin by conduction electrons is associated with the formation of a large Kondo screening cloud, of size xi_K. We study the quantum entanglement between…
Strong disorder renormalization group study of S=1/2 Heisenberg antiferromagnet layers/bilayers with bond randomness, site dilution and dimer dilution
Yu-Cheng Lin, Heiko Rieger, Nicolas Laflorencie +1
Using a numerical implementation of strong disorder renormalization group, we study the low-energy, long-distance properties of layers and bilayers of Heisenberg antiferr…