Publications (17)
Variational simulation of the Lipkin-Meshkov-Glick model on a neutral atom quantum computer
R. Chinnarasu, C. Poole, L. Phuttitarn +5
We simulate the Lipkin-Meshkov-Glick (LMG) model using the Variational-Quantum-Eigensolver (VQE) algorithm on a neutral atom quantum computer. We test the ground-state energy of sp…
Scheme invariants in phi^4 theory in four dimensions
I. Jack, C. Poole
We provide an analysis of the structure of renormalisation scheme invariants for the case of theory, relevant in four dimensions. We give a complete discussion of the invari…
Stable 3D FDTD Method for arbitrary Fully Electric and Magnetic Anisotropic Maxwell Equations
J. Nehls, C. Dineen, J. Liu +3
We have developed a new fully anisotropic 3D FDTD Maxwell solver for arbitrary electrically and magnetically anisotropic media for piecewise constant electric and magnetic material…
Consistency of non-minimal renormalisation schemes
I. Jack, C. Poole
Non-minimal renormalisation schemes such as the momentum subtraction scheme (MOM) have frequently been used for physical computations. The consistency of such a scheme relies on th…
Gradient flows in three dimensions
I. Jack, D. R. T. Jones, C. Poole
The a-function is a proposed quantity defined for quantum field theories which has a monotonic behaviour along renormalisation group flows, being related to the beta-functions via…
The a-function for gauge theories
I. Jack, C. Poole
The a-function is a proposed quantity defined for quantum field theories which has a monotonic behaviour along renormalisation group flows, being related to the beta-functions via…
The a-function in six dimensions
J. A. Gracey, I. Jack, C. Poole
The a-function is a proposed quantity defined in even dimensions which has a monotonic behaviour along RG flows, related to the beta-functions via a gradient flow equation. We stud…
The a-function for N=2 supersymmetric gauge theories in three dimensions
J. A. Gracey, I. Jack, C. Poole +1
Recently, the existence of a candidate a-function for renormalisable theories in three dimensions was demonstrated for a general theory at leading order and for a scalar-fermion th…
Mid-circuit measurements on a single species neutral alkali atom quantum processor
T. M. Graham, L. Phuttitarn, R. Chinnarasu +7
We demonstrate mid-circuit measurements in a neutral atom array by shelving data qubits in protected hyperfine-Zeeman sub-states while non-destructively measuring an ancilla qubit.…
Architecture for fast implementation of qLDPC codes with optimized Rydberg gates
C. Poole, T. M. Graham, M. A. Perlin +2
We propose an implementation of bivariate bicycle codes (Nature {\bf 627}, 778 (2024)) based on long-range Rydberg gates between stationary neutral atom qubits. An optimized layout…
Lipkin model on a quantum computer
Michael J. Cervia, A. B. Balantekin, S. N. Coppersmith +5
Atomic nuclei are important laboratories for exploring and testing new insights into the universe, such as experiments to directly detect dark matter or explore properties of neutr…
Benchmarking a Neutral-Atom Quantum Computer
N. Wagner, C. Poole, T. M. Graham +1
In this study, we simulated the algorithmic performance of a small neutral atom quantum computer and compared its performance when operating with all-to-all versus nearest-neighbor…
Fast measurements and multiqubit gates in dual species atomic arrays
D. Petrosyan, S. Norrell, C. Poole +1
We propose and analyze an approach for fast syndrome measurements in an array of rubidium and cesium atomic qubits. The scheme works by implementing an inter-species $\textsf{CNOT}…
The a-function in three dimensions: beyond leading order
I. Jack, C. Poole
Recently, evidence was provided for the existence of an -function for renormalisable quantum field theories in three dimensions. An explicit expression was given at lowest order…
Demonstration of multi-qubit entanglement and algorithms on a programmable neutral atom quantum computer
T. M. Graham, Y. Song, J. Scott +22
Gate model quantum computers promise to solve currently intractable computational problems if they can be operated at scale with long coherence times and high fidelity logic. Neutr…
Freedom of mixer rotation-axis improves performance in the quantum approximate optimization algorithm
L. C. G. Govia, C. Poole, M. Saffman +1
Variational quantum algorithms such as the quantum approximate optimization algorithm (QAOA) are particularly attractive candidates for implementation on near-term quantum processo…
Weyl Consistency Conditions and
C. Poole, A. E. Thomsen
The treatment of in Dimensional Regularization leads to ambiguities in field-theoretic calculations, of which one example is the coefficient of a particular term in the fo…