78 citations · 225 across the 8 of their papers we have counts for
9 papers
High-capacity associative memory in a quantum-optical spin glass
Brendan P. Marsh, David Atri Schuller, Yunpeng Ji +5
The Hopfield model describes a neural network that stores memories using all-to-all-coupled spins. Memory patterns are recalled under equilibrium dynamics. Storing too many pattern…
A multimode cavity QED Ising spin glass
Brendan P. Marsh, David Atri Schuller, Yunpeng Ji +5
We realize a driven-dissipative Ising spin glass using cavity QED in a novel ``4/7" multimode geometry. Gases of ultracold atoms trapped within the cavity by optical tweezers serve…
Directly observing replica symmetry breaking in a vector quantum-optical spin glass
Ronen M. Kroeze, Brendan P. Marsh, David Atri Schuller +6
Spin glasses are quintessential examples of complex matter. Although much about their order remains uncertain, abstract models of them inform, e.g., the classification of combinato…
Entanglement and replica symmetry breaking in a driven-dissipative quantum spin glass
Brendan P. Marsh, Ronen M. Kroeze, Surya Ganguli +3
We describe simulations of the quantum dynamics of a confocal cavity QED system that realizes an intrinsically driven-dissipative spin glass. A close connection between open quantu…
A high-cooperativity confocal cavity QED microscope
Ronen M. Kroeze, Brendan P. Marsh, Kuan-Yu Lin +2
Cavity QED with cooperativity far greater than unity enables high-fidelity quantum sensing and information processing. The high-cooperativity regime is often reached through the us…
An optical lattice with sound
Yudan Guo, Ronen M. Kroeze, Brendan P. Marsh +3
Quantised sound waves -- phonons -- govern the elastic response of crystalline materials, and also play an integral part in determining their thermodynamic properties and electrica…
Enhancing associative memory recall and storage capacity using confocal cavity QED
Brendan P. Marsh, Yudan Guo, Ronen M. Kroeze +4
We introduce a near-term experimental platform for realizing an associative memory. It can simultaneously store many memories by using spinful bosons coupled to a degenerate multim…
Non-locality and quasiclassical reality in Kent's formulation of relativistic quantum theory
Jeremy Butterfield, Brendan Marsh
We report Adrian Kent's proposed framework for a realist, one-world, Lorentz-invariant formulation of quantum theory. The idea is to postulate a final boundary condition: in effect…
Depictions of Quantum Reality in Kent's Interpretation of Quantum Theory
Brendan Marsh
At present, quantum theory leaves unsettled which quantities ontologically, physically exist in a quantum system. Do observables such as energy and position have meaningful values…