نتایج جستجو برای: hubbard model
تعداد نتایج: 2106111 فیلتر نتایج به سال:
Article history: Received 19 September 2011 Received in revised form 27 October 2011 Accepted 28 October 2011 Available online 10 November 2011
An iterative procedure for the explicit construction of the nontrivial subspace of all symmetryadapted configurations with non-zero weight in the ground-state of the ∞-dimensional Hubbard model is developed on the basis of a symmetrized representation of the transition operators on a sequence of Bethe-Lattices of finite depth. The relation ship between these operators and the well known mapping...
We examine the ground state and excitations of the one dimensional extended Hubbard model with long range interaction. The ground state wavefunction and low lying excitations are given explicitly in the form of a Jastrow product of two-body terms. This result motivates an asymptotic Bethe ansatz solution for the model. We present evidence that this solution is in fact exact and spans the comple...
In quantum simulation, many-body phenomena are probed in controllable quantum systems. Recently, simulation of Bose-Hubbard Hamiltonians using cold atoms revealed previously hidden local correlations. However, fermionic many-body Hubbard phenomena such as unconventional superconductivity and spin liquids are more difficult to simulate using cold atoms. To date the required single-site measureme...
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