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One-particle irreducible density matrix for the spin disordered infinite Hubbard chain
Vadim V. Cheianov, M. B. Zvonarev
In this Letter we present a calculation of the one-particle irreducible density matrix for the one-dimensional (1D) Hubbard model in the infinite limit. We consider the…
Zero temperature correlation functions for the impenetrable fermion gas
Vadim V Cheianov, M B Zvonarev
We calculate the long time and distance asymptotics of the one-particle correlation functions in the model of impenetrable spin 1/2 fermions in 1+1 dimensions. We consider the spin…
Non-Unitary Spin-Charge Separation in One-Dimensional Fermion Gas
Vadim V. Cheianov, M. B. Zvonarev
In this Letter we report exact results on the infrared asymptotics of one-particle dynamical correlation function of the gas of impenetrable spin 1/2 fermions at infinitesimal temp…
Anomalous Negative Magnetoresistance Caused by Non-Markovian Effects
Vadim V. Cheianov, A. P. Dmitriev, V. Yu. Kachorovskii
A theory of recently discovered anomalous low-field magnetoresistance is developed for the system of two-dimensional electrons scattered by hard disks of radius randomly distr…