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Antiferromagnetism and d-wave superconductivity in cuprates: a uster DMFT study
A. I. Lichtenstein, M. I. Katsnelson
We present a new approach to investigate the coexistence of antiferromagnetism and d-wave superconductivity in the two dimensional extended Hubbard model within a numerically exact…
Propagation of local decohering action in distributed quantum systems
M. I. Katsnelson, V. V. Dobrovitski, B. N. Harmon
We study propagation of the decohering influence caused by a local measurement performed on a distributed quantum system. As an example, the gas of bosons forming a Bose-Einstein c…
Possible scenario of the melting of metals
M. I. Katsnelson, A. V. Trefilov
A microscopic picture of the ``preparation'' of a crystal to the transition to liquid state at the approach to melting temperature is proposed. Basing on simple crystallogeometric…
First- principle calculations of magnetic interactions in correlated systems
M. I. Katsnelson, A. I. Lichtenstein
We present a novel approach to calculate the effective exchange interaction parameters based on the realistic electronic structure of correlated magnetic crystals in local approach…