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4 papers
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…