14 citations · 49 across the 9 of their papers we have counts for
9 papers
Pair binding and enhancement of pairing correlations in asymmetric Hubbard ladders
Anas Abdelwahab, Gökmen Polat, Eric Jeckelmann
Asymmetric two-leg Hubbard ladders with different on-site interactions and hoppings on each leg are investigated using the density matrix renormalization group method a…
Effective narrow ladder model for two quantum wires on a semiconducting substrate
Anas Abdelwahab, Eric Jeckelmann
We present a theoretical study of two spinless fermion wires coupled to a three dimensional semiconducting substrate. We develop a mapping of wires and substrate onto a system of t…
Magnetic properties of alternating Hubbard ladders
Kaouther Essalah, Ali Benali, Anas Abdelwahab +2
We investigate the Hubbard Hamiltonian on ladders where the number of sites per rung alternates between two and three. These geometries are bipartite, with a non-equal number of si…
The concealment of accelerated information is possible
A. G. Abdelwahab, Nasser Metwally, M. H. Mahran +1
The possibility of masking an accelerated two-qubit system by using a minimum number of qubits is discussed. It is shown that, the information may be masked in either entangled loc…
Luttinger liquid and charge-density-wave phases in a spinless fermion wire on a semiconducting substrate
Anas Abdelwahab, Eric Jeckelmann
An interacting spinless fermion wire coupled to a three-dimensional (3D) semiconducting substrate is approximated by a narrow ladder model (NLM) with varying number of legs. We com…
Correlations and confinement of excitations in an asymmetric Hubbard ladder
Anas Abdelwahab, Eric Jeckelmann
Correlation functions and low-energy excitations are investigated in the asymmetric two-leg ladder consisting of a Hubbard chain and a noninteracting tight-binding (Fermi) chain us…
Correlated atomic wires on substrates. II. Application to Hubbard wires
Anas Abdelwahab, Eric Jeckelmann, Martin Hohenadler
In the first part of our theoretical study of correlated atomic wires on substrates, we introduced lattice models for a one-dimensional quantum wire on a three-dimensional substrat…
Correlated atomic wires on substrates. I. Mapping to quasi-one-dimensional models
Anas Abdelwahab, Eric Jeckelmann, Martin Hohenadler
We present a theoretical study of correlated atomic wires deposited on substrates in two parts. In this first part, we propose lattice models for a one-dimensional quantum wire on…
Ground-state and spectral properties of an asymmetric Hubbard ladder
Anas Abdelwahab, Eric Jeckelmann, Martin Hohenadler
We investigate a ladder system with two inequivalent legs, namely a Hubbard chain and a one-dimensional electron gas. Analytical approximations, the density matrix renormalization…