317 citations · 1.5k across the 42 of their papers we have counts for
42 papers
Introducing fluctuation-driven order into density functional theory using the quantum order-by-disorder framework
Adam H. Walker, Chris J. Pickard, Andrew G. Green
Density functional theory in the local or semi-local density approximation is a powerful tool for materials simulation, yet it struggles in many cases to describe collective electr…
Strain control of a bandwidth-driven spin reorientation in CaRuO
C. D. Dashwood, A. H. Walker, M. P. Kwasigroch +14
The layered-ruthenate family of materials possess an intricate interplay of structural, electronic and magnetic degrees of freedom that yields a plethora of delicately balanced gro…
Trajectory-Resolved Weiss Fields for Quantum Spin Dynamics
S. E. Begg, A. G. Green, M. J. Bhaseen
We explore the dynamics of quantum spin systems in two and three dimensions using an exact mapping to classical stochastic processes. In recent work we explored the effectiveness o…
Phase Transitions in the Classical Simulability of Open Quantum Systems
F. Azad, A. Hallam, J. Morley +1
We study the evolution of an open quantum system using a Langevin unravelling of the density matrix evolution over matrix product states. As the strength of coupling to and tempera…
Matrix Product State Pre-Training for Quantum Machine Learning
James Dborin, Fergus Barratt, Vinul Wimalaweera +2
Hybrid Quantum-Classical algorithms are a promising candidate for developing uses for NISQ devices. In particular, Parametrised Quantum Circuits (PQCs) paired with classical optimi…
Dissipative failure of adiabatic quantum transport as a dynamical phase transition
Fergus Barratt, Aleix Bou Comas, Philip J. D. Crowley +3
Entanglement is the central resource in adiabatic quantum transport. Dephasing affects the availability of that resource by biasing trajectories, driving transitions between succes…