Add to ORKGWe introduce a general method to block diagonalize Hamiltonians with infinite-range interactions ana arbitrary lattice sites f. As a working example we consider the case of the quantum discrete self-trapping Hamiltonian on a lattice which is a complete graph. We show the effectiveness of our method by computing the blocks into which the Hamiltonian decomposes for a finite number of quanta and for an arbitrary number f of lattice sites
We propose a robust and efficient algorithm for computing bound states of infinite tight-binding sy...
We introduce a variational method for the approximation of ground states of strongly interacting spi...
We introduce a variational method for the approximation of ground states of strongly interacting spi...
We introduce a general method to block diagonalize Hamiltonians with infinite-range interactions ana...
In this paper, the local iterative Lie-Schwinger block-diagonalization method, introduced and develo...
We study quantum chains whose Hamiltonians are perturbations by interactions of short range of a Ham...
We propose a robust and efficient algorithm for computing bound states of infinite tight-binding sys...
We study quantum chains whose Hamiltonians are perturbations by interactions of short range of a Ham...
Understanding extreme non-locality in many-body quantum systems can help resolve questions in thermo...
A generalisation of the discrete self-trapping (DST) Hamiltonian is presented. It is shown to be as ...
We propose a robust and efficient algorithm for computing bound states of infinite tight-binding sy...
We introduce a variational method for the approximation of ground states of strongly interacting spi...
We introduce a variational method for the approximation of ground states of strongly interacting spi...
We introduce a general method to block diagonalize Hamiltonians with infinite-range interactions ana...
In this paper, the local iterative Lie-Schwinger block-diagonalization method, introduced and develo...
We study quantum chains whose Hamiltonians are perturbations by interactions of short range of a Ham...
We propose a robust and efficient algorithm for computing bound states of infinite tight-binding sys...
We study quantum chains whose Hamiltonians are perturbations by interactions of short range of a Ham...
Understanding extreme non-locality in many-body quantum systems can help resolve questions in thermo...
A generalisation of the discrete self-trapping (DST) Hamiltonian is presented. It is shown to be as ...
We propose a robust and efficient algorithm for computing bound states of infinite tight-binding sy...
We introduce a variational method for the approximation of ground states of strongly interacting spi...
We introduce a variational method for the approximation of ground states of strongly interacting spi...