216 citations · 926 across the 18 of their papers we have counts for
8 papers · 1 filter
Coherent functional expansions in quantum field theory
P. D. Drummond
A new formalism is introduced to treat problems in quantum field theory, using coherent functional expansions rather than path integrals. The basic results and identities of this a…
Dynamical Quantum Memories
Q. Y. He, M. D. Reid, E. Giacobino +2
We propose a dynamical approach to quantum memories using an oscillator-cavity model. This overcomes the known difficulties of achieving high quantum input-output fidelity with sto…
Quantum many-body simulations using Gaussian phase-space representations
P. D. Drummond, P. Deuar, J. F. Corney
Phase-space representations are of increasing importance as a viable and successful means to study exponentially complex quantum many-body systems from first principles. This revie…
Gaussian operator bases for correlated fermions
J. F. Corney, P. D. Drummond
We formulate a general multi-mode Gaussian operator basis for fermions, to enable a positive phase-space representation of correlated Fermi states. The Gaussian basis extends exist…
Gaussian quantum Monte Carlo methods for fermions
J. F. Corney, P. D. Drummond
We introduce a new class of quantum Monte Carlo methods, based on a Gaussian quantum operator representation of fermionic states. The methods enable first-principles dynamical or e…
Stochastic gauges in quantum dynamics for many-body simulations
P. Deuar, P. D. Drummond
Quantum dynamics simulations can be improved using novel quasiprobability distributions based on non-orthogonal hermitian kernel operators. This introduces arbitrary functions (gau…