#PRXQuantum #Physics #Quantum
A quantum algorithm provides high-quality wave-function ansätze without variational optimization and enables the computation of strongly correlated ground and excited states at polynomial cost.
#PRXQuantum #Physics #Quantum
A scheme is proposed to realize reconfigurable networks with arbitrary chiral connectivity based on the photonic quantum Hall effect.
#PRXQuantum #Physics #Quantum
Gradient-based quantum optimal control meets feedback.
#PRXQuantum #Physics #Quantum
A single-electron spin is shuttled through a distance of 80 µm in a quantum-dot-based array, showing a route for creating coherent links in scalable quantum computing architectures.
#PRXQuantum #Physics #Quantum
Random Clifford circuits are studied, in theory and simulations, showing that the localization of the quantum dynamics disappears when moving from one to two spacial dimensions.
#PRXQuantum #Physics #Quantum
A generalization of the Shor and Steane constructions allows for measurement of select logical Pauli operators in error-correcting codes with reduced time and space overhead and opens the door to fault-tolerant implementations of logical gates.
#PRXQuantum #Physics #Quantum
Proof-of-principle measurements inform quantum memory and transduction protocols for
T center ensembles.
#PRXQuantum #Physics #Quantum
A new technique for open quantum dynamics, combining reaction coordinate mappings and the polaron transform, allows for efficient description of strong system-bath couplings, opening the way for novel applications in nanoscale transport and thermodynamics.
#PRXQuantum #Physics #Quantum
A new method to decode high-dimensional information imprinted on temporal modes is introduced and experimentally demonstrated.
#PRXQuantum #Physics #Quantum
Protocols for connecting #qubits based on electrons in #silicon quantum dots are proposed, highlighting opportunities and challenges for the implementation of coherent electron shuttling.
#PRXQuantum #physics #quantum #qubits #silicon
#PRXQuantum #Physics #Quantum
An algorithm to simulate NISQ quantum circuits that uses iteratively compressed tensor networks leads to impressive capabilities and rivals experimental demonstrations of “quantum advantage.”
#PRXQuantum #Physics #Quantum
A comprehensive and platform-independent framework for universal fault-tolerant logic is presented, enabling mapping from an abstract description of the logical gate to a precise set of physical instructions.
#PRXQuantum #Physics #Quantum
A quantum-enhanced sensing technique based on two cavities coupled via a Josephson ring modulator is developed to substantially accelerate a detection scan rate, ultimately boosting significantly the search of axions.
#PRXQuantum #Physics #Quantum
A proposal based on state-of-the-art quantum simulators shows how to explore long-range interactions so that central phenomena of quantum chemistry can be qualitatively investigated.
#PRXQuantum #Physics #Quantum
A quantum nondemolition measurement with optical parametric amplifiers opens a path for novel non-Gaussian quantum engineering.
#PRXQuantum #Physics #Quantum
A blueprint for exploiting symmetries in the construction of variational quantum learning models that can result in improved generalization performance is developed and demonstrated on practical problems.
#PRXQuantum #Physics #Quantum
Quantum circuit optimization software is presented that eases the effect of device variability, increasing fidelities by as much as 40% on near-term quantum processors.
#PRXQuantum #Physics #Quantum
An equivalence is proved between various fermion-to-qubit mappings and the exact bosonization method that utilizes the emergent fermions in the Z_2 topological order.
#PRXQuantum #Physics #Quantum
Faster and more flexible gate set tomography via low-rank manifold optimization serves as a practical characterization and quantum software calibration tool.
#PRXQuantum #Physics #Quantum
Coherent control between a nuclear spin and the electron spin of a rare-earth erbium ion is achieved, opening a path toward telecom-wavelength long-distance quantum repeaters