9 papers
Quantum critical behavior in chains of hindered dipolar planar rotors
Wenxue Zhang, Muhammad Shaeer Moeed, Estevao De Oliveira +2
We study the ground-state properties of linear chains of dipolar planar rotors hindered by a six-fold on-site potential, a model motivated by water molecules confined in the hexago…
Quantum phases in endofullerene zigzag chains
Tobias Serwatka, Muhammad Shaeer Moeed, Roger G. Melko +1
We employ large-scale density matrix renormalization group calculations to study the quantum phases of dipolar molecules confined in bent (zigzag) endofullerene chains, as a functi…
Effective theory of quantum phases in the dipolar planar rotor chain
Estêvão V. B. de Oliveira, Muhammad Shaeer Moeed, Pierre-Nicholas Roy
In this work, we develop a theoretical description of the collective behavior of interacting dipolar planar rotors by using time independent perturbation theory and a small angle q…
Qubit encodings for lattices of dipolar planar rotors
Muhammad Shaeer Moeed, James Brown, Alexander Ibrahim +2
Near term quantum devices have recently garnered significant interest as promising candidates for investigating difficult-to-probe regimes in many-body physics. To this end, variou…
Path Integral Monte Carlo in the Angular Momentum Basis for a Chain of Planar Rotors
Estêvão de Oliveira, Muhammad Shaeer Moeed, Pierre-Nicholas Roy
We introduce a Path Integral Monte Carlo (PIMC) approach that uses the angular momentum representation for the description of interacting rotor systems. Such a choice of representa…
Path-integral Monte Carlo simulations of solid parahydrogen using two-body, three-body, and four-body ab initio interaction potential energy surfaces
Alexander Ibrahim, Pierre-Nicholas Roy
We present path integral Monte Carlo simulation results for the equation of state of solid parahydrogen between and at K.…