Quantum Science and Technology

Article	Citations
Parameterized quantum circuits as machine learning models	320
Demonstration of quantum volume 64 on a superconducting quantum computing system	183
OpenFermion: the electronic structure package for quantum computers	173
Perspectives on quantum transduction	124
t|ket⟩: a retargetable compiler for NISQ devices	114
Establishing the quantum supremacy frontier with a 281 Pflop/s simulation	76
A quantum deep convolutional neural network for image recognition	76
Qiskit pulse: programming quantum computers through the cloud with pulses	70
Large gradients via correlation in random parameterized quantum circuits	66
The bitter truth about gate-based quantum algorithms in the NISQ era	63
Towards scalable bosonic quantum error correction	58
Low-depth circuit ansatz for preparing correlated fermionic states on a quantum computer	58
Matter-wave Atomic Gradiometer Interferometric Sensor (MAGIS-100)	58
XACC: a system-level software infrastructure for heterogeneous quantum–classical computing	57
A quantum-classical cloud platform optimized for variational hybrid algorithms	56
Searching for new physics using optically levitated sensors	55
Applications of near-term photonic quantum computers: software and algorithms	55
Mechanical quantum sensing in the search for dark matter	51
Quantum circuit optimizations for NISQ architectures	49
Polyatomic molecules as quantum sensors for fundamental physics	47
Quantum information processing with bosonic qubits in circuit QED	46
Training the quantum approximate optimization algorithm without access to a quantum processing unit	46
Higher order derivatives of quantum neural networks with barren plateaus	46
Entangling the vibrational modes of two massive ferromagnetic spheres using cavity magnomechanics	45
Testing gravity with cold atom interferometry: results and prospects	45

Nuclear clocks for testing fundamental physics	44
Quantum information research in China	42
Intel Quantum Simulator: a cloud-ready high-performance simulator of quantum circuits	40
Bounds for multi-end communication over quantum networks	40
Distributed quantum sensing	39
Quantum implementation of an artificial feed-forward neural network	38
Qubit coupled cluster singles and doubles variational quantum eigensolver ansatz for electronic structure calculations	37
Software tools for quantum control: improving quantum computer performance through noise and error suppression	37
Using models to improve optimizers for variational quantum algorithms	37
Filtering variational quantum algorithms for combinatorial optimization	34
TEQUILA: a platform for rapid development of quantum algorithms	32
Qibo: a framework for quantum simulation with hardware acceleration	31
Probing quantum processor performance with pyGSTi	31
Rigorous measurement error correction	30
Correlating AGP on a quantum computer	29
staq—A full-stack quantum processing toolkit	28
Levitated cavity optomechanics in high vacuum	28
UK national quantum technology programme	28
Characterizing the loss landscape of variational quantum circuits	28
A state-averaged orbital-optimized hybrid quantum–classical algorithm for a democratic description of ground and excited states	28
Holographic tensor network models and quantum error correction: a topical review	27
Figures of merit for quantum transducers	26
Lower bounds on the non-Clifford resources for quantum computations	25
Toward efficient correction of multiqubit measurement errors: pair correlation method	25
Achieving a quantum smart workforce	24
Quantum-classical simulation of two-site dynamical mean-field theory on noisy quantum hardware	24
QuESTlink—Mathematica embiggened by a hardware-optimised quantum emulator*	23
Adaptive pruning-based optimization of parameterized quantum circuits	23
Designing quantum experiments with a genetic algorithm	23
A silicon‐organic hybrid platform for quantum microwave-to-optical transduction	23
Simulating quantum materials with digital quantum computers	23
To quantum or not to quantum: towards algorithm selection in near-term quantum optimization	22
Comagnetometer probes of dark matter and new physics	22
Mutual information-assisted adaptive variational quantum eigensolver	22
Thermodynamics of a quantum annealer	21
Equivalence of quantum barren plateaus to cost concentration and narrow gorges	21
Generation of generalized hybrid entanglement in cavity electro–optic systems	21
Quantum technologies in Russia	21
Fault-tolerant quantum error correction for Steane’s seven-qubit color code with few or no extra qubits	20
Indexed improvements for real-time trotter evolution of a (1 + 1) field theory using NISQ quantum computers	19
Experimental wavelength-multiplexed entanglement-based quantum cryptography	19
Building blocks of a flip-chip integrated superconducting quantum processor	19
Quantum versus classical generative modelling in finance	19
CeNTREX: a new search for time-reversal symmetry violation in the 205Tl nucleus	19
A posteriori corrections to the iterative qubit coupled cluster method to minimize the use of quantum resources in large-scale calculations	19
Optimal charging of a superconducting quantum battery	19
Methods for measuring the electron’s electric dipole moment using ultracold YbF molecules	19
Spectral signatures of non-thermal baths in quantum thermalization	19
An optical tweezer array of ground-state polar molecules	19
Variational quantum algorithms for trace distance and fidelity estimation	18

Chiral quantum network with giant atoms	18
Finite-key analysis for quantum conference key agreement with asymmetric channels	18
Impact of qubit connectivity on quantum algorithm performance	18
MCTDH-X: The multiconfigurational time-dependent Hartree method for indistinguishable particles software	18
Quantum logic and entanglement by neutral Rydberg atoms: methods and fidelity	18
Inhomogeneous driving in quantum annealers can result in orders-of-magnitude improvements in performance	18
Entangled quantum cellular automata, physical complexity, and Goldilocks rules	17
Talking about public good for the second quantum revolution: analysing quantum technology narratives in the context of national strategies	17
A many-body heat engine at criticality	17
Control electronics for semiconductor spin qubits	17
Limitations of error corrected quantum annealing in improving the performance of Boltzmann machines	17
Modulation leakage vulnerability in continuous-variable quantum key distribution	16
SeQUeNCe: a customizable discrete-event simulator of quantum networks	16
Logical performance of 9 qubit compass codes in ion traps with crosstalk errors	16
Minimum hardware requirements for hybrid quantum–classical DMFT	16
Witnessing non-objectivity in the framework of strong quantum Darwinism	16
Quantum scrambling and the growth of mutual information	16
Benchmarking near-term devices with quantum error correction	16
Squeezed state metrology with Bragg interferometers operating in a cavity	16
Two-body quantum absorption refrigerators with optomechanical-like interactions	16
Generation of hybrid maximally entangled states in a one-dimensional quantum walk	15
Universal quantum computation and quantum error correction with ultracold atomic mixtures	15
Quantum correlations in PT -symmetric systems	15
Variational quantum eigensolver for approximate diagonalization of downfolded Hamiltonians using generalized unitary coupled cluster ansatz	15
Classically simulating near-term partially-distinguishable and lossy boson sampling	15
An ultracold molecular beam for testing fundamental physics	15
Protocols for long-distance quantum communication with single 167Er ions	15
Differentiable quantum architecture search	15
Spectroscopy and critical quantum thermometry in the ultrastrong coupling regime	15
Quantum battery based on quantum discord at room temperature	14
Machine learning design of a trapped-ion quantum spin simulator	14
Quantum algorithm for the nonlinear dimensionality reduction with arbitrary kernel	14
Early fault-tolerant simulations of the Hubbard model	14
An open-source, industrial-strength optimizing compiler for quantum programs	14
Resonant exchange operation in triple-quantum-dot qubits for spin–photon transduction	13
Directional detection of dark matter with diamond	13
Asymmetric cryptography with physical unclonable keys	13
A polynomial time and space heuristic algorithm for T-count	13
The controlled SWAP test for determining quantum entanglement	13
Multimode Fock states with large photon number: effective descriptions and applications in quantum metrology	12
Learning quantum data with the quantum earth mover’s distance	12
Experimentally optimizing QKD rates via nonlocal dispersion compensation	12
Modeling and control of a reconfigurable photonic circuit using deep learning	12
Entanglement swapping between independent and asynchronous integrated photon-pair sources	12
Signatures of the quantum nature of gravity in the differential motion of two masses	12
Fibre based hyperentanglement generation for dense wavelength division multiplexing	12
Cryogenic single-port calibration for superconducting microwave resonator measurements	12
Focus on quantum science and technology initiatives around the world	12
Optimizing quantum phase estimation for the simulation of Hamiltonian eigenstates	12
Anomaly detection with variational quantum generative adversarial networks	12
Automatic design of quantum feature maps	11
Bayesian parameter estimation using Gaussian states and measurements	11
Matrix product state pre-training for quantum machine learning	11
Multimode capacity of atomic-frequency comb quantum memories	11
Semi-device independent randomness generation based on quantum state’s indistinguishability	11
Engineering an effective three-spin Hamiltonian in trapped-ion systems for applications in quantum simulation	11
Critical quantum metrology with fully-connected models: from Heisenberg to Kibble–Zurek scaling	10
Simulating quench dynamics on a digital quantum computer with data-driven error mitigation	10
Design, fabrication and characterization of a micro-fabricated stacked-wafer segmented ion trap with two X-junctions	10
Path-optimized nonadiabatic geometric quantum computation on superconducting qubits	10
Fundamental physics with a state-of-the-art optical clock in space	10
Dynamically corrected gates from geometric space curves	10
QFold: quantum walks and deep learning to solve protein folding	10
Detecting quantum entanglement with unsupervised learning	10
Ferromagnetic gyroscopes for tests of fundamental physics	10
Many-body calculations for periodic materials via restricted Boltzmann machine-based VQE	10
Perspectives on testing fundamental physics with highly charged ions in Penning traps	10
3-regular three-XORSAT planted solutions benchmark of classical and quantum heuristic optimizers	10
Improving the accuracy and efficiency of quantum connected moments expansions*	9
Storage capacity and learning capability of quantum neural networks	9
Probing fast oscillating scalar dark matter with atoms and molecules	9
Quantum computation of phase transition in the massive Schwinger model	9
HUNTER: precision massive-neutrino search based on a laser cooled atomic source	8
Dispersive readout of room-temperature ensemble spin sensors	8
Einstein–Podolsky–Rosen paradox with position–momentum entangled macroscopic twin beams	8
Mediated semi-quantum key distribution with improved efficiency	8
Micromasers as quantum batteries	8
Quantum computer-aided design of quantum optics hardware	8
Optimizing entanglement generation and distribution using genetic algorithms	8
Optical clocks based on molecular vibrations as probes of variation of the proton-to-electron mass ratio	8

Hybrid MEMS-CMOS ion traps for NISQ computing	8
Dark matter searches using accelerometer-based networks	8
Quantum sensitivity limits of nuclear magnetic resonance experiments searching for new fundamental physics	8
NetQASM—a low-level instruction set architecture for hybrid quantum–classical programs in a quantum internet	8
Efficient quantum memory of orbital angular momentum qubits in cold atoms	8
Experimental control of the degree of non-classicality via quantum coherence	8
A variational quantum algorithm for Hamiltonian diagonalization	7
Efficient microwave frequency conversion mediated by a photonics compatible silicon nitride nanobeam oscillator	7
Improved finite-key security analysis of quantum key distribution against Trojan-horse attacks	7
Magnetic sensing at zero field with a single nitrogen-vacancy center	7
Generating microwave photon Fock states in a circuit QED via invariant-based shortcuts to adiabaticity	7
Monogamy of quantum discord	7
Adiabatic preparation of entangled, magnetically ordered states with cold bosons in optical lattices	7
Quantum random access memory via quantum walk	7
Anomalous values, Fisher information, and contextuality, in generalized quantum measurements	7
Quantum computation of an interacting fermionic model	7
Phase-modulated single-photon nonreciprocal transport and directional router in a waveguide–cavity–emitter system beyond the chiral coupling	7
Quantum computation of eigenvalues within target intervals	7
Constant depth fault-tolerant Clifford circuits for multi-qubit large block codes	7
Saturating the quantum Cramér–Rao bound using LOCC	7
Sample complexity of learning parametric quantum circuits	7
Breakdown signatures of the phenomenological Lindblad master equation in the strong optomechanical coupling regime	7
Hybrid quantum–classical optimization with cardinality constraints and applications to finance	7
Sub-quantum Fisher information	7
Metrologically resourceful multipartite entanglement under quantum many-body effects	7
Sagnac-type entangled photon source using only conventional polarization optics	6
Enhanced repulsively bound atom pairs in topological optical lattice ladders	6
Digital synchronization for continuous-variable quantum key distribution	6
Continuous-variable quantum repeaters based on bosonic error-correction and teleportation: architecture and applications	6
Stationary optomagnonic entanglement and magnon-to-optics quantum state transfer via opto-magnomechanics	6
AGP-based unitary coupled cluster theory for quantum computers	6
Improving readout in quantum simulations with repetition codes	6
Motional heating of spatially extended ion crystals	6
Coherent scattering-mediated correlations between levitated nanospheres	6
Experimental realization of state transfer by quantum walks with two coins	6
Quantum internet under random breakdowns and intentional attacks	6
Microscopic 3D printed optical tweezers for atomic quantum technology	6
Erratum: Parameterized quantum circuits as machine learning models (2019 Quant. Sci. Tech. 4 043001)	6
Randomness quantification for quantum random number generation based on detection of amplified spontaneous emission noise	6
Coherent control with user-defined passage	6
Optimization of energy production in two-qubit heat engines using the ecological function	6
NISQ circuit compilation is the travelling salesman problem on a torus	5
High-fidelity multiqubit Rydberg gates via two-photon adiabatic rapid passage	5
OAM tomography with Heisenberg–Weyl observables	5
Quantum speedups of some general-purpose numerical optimisation algorithms	5
Is quantum computing green? An estimate for an energy-efficiency quantum advantage	5
Feedback-enabled microwave quantum illumination	5
An open-endcap blade trap for radial-2D ion crystals	5
Entangled microwave photons generation using cryogenic low noise amplifier (transistor nonlinearity effects)	5
What can single photons do what lasers cannot do?	5
Noisy distributed sensing in the Bayesian regime	5
Quantum sensing of the electron electric dipole moment using ultracold entangled Fr atoms	5
10 dB interferometer enhancement by squeezing of photon shot noise with sub-femtometer resolution and eye-safe optical power	5
Simulating quantum circuits with ZX-calculus reduced stabiliser decompositions	5
Millikelvin temperature cryo-CMOS multiplexer for scalable quantum device characterisation	5
Analytical framework for quantum alternating operator ansätze	5
Domain-specific compilers for dynamic simulations of quantum materials on quantum computers	5
Expectation values from the single-layer quantum approximate optimization algorithm on Ising problems	5
A quantum algorithm to efficiently sample from interfering binary trees	5
Neural-network-based parameter estimation for quantum detection	5
Entanglement of truncated quantum states	5
Two-mode Schrödinger-cat states with nonlinear optomechanics: generation and verification of non-Gaussian mechanical entanglement	5
Transfer-tensor description of memory effects in open-system dynamics and multi-time statistics	5
Long-lived state in a four-spin system hyperpolarized at room temperature	5
Practical source monitoring for continuous-variable quantum key distribution	5
How to transform graph states using single-qubit operations: computational complexity and algorithms	5
Witnessing objectivity on a quantum computer	5
Improved readout of qubit-coupled Gottesman–Kitaev–Preskill states	5
Experimental error mitigation using linear rescaling for variational quantum eigensolving with up to 20 qubits	5
Constructing driver Hamiltonians for optimization problems with linear constraints	5
Frequency-resolved photon correlations in cavity optomechanics	5
Feasibility of quantum key distribution from high altitude platforms	5
Daylight entanglement-based quantum key distribution with a quantum dot source	4
Entanglement structure detection via machine learning	4
Fast-forwarding with NISQ processors without feedback loop	4
Industrially microfabricated ion trap with 1 eV trap depth	4
Randomized benchmarking in the analogue setting	4
Nb-based superconducting silicon interconnect fabric for cryogenic electronics	4
GHz-pulsed source of entangled photons for reconfigurable quantum networks	4
Quantum electronics and optics at the interface of solid neon and superfluid helium	4
Enhanced discrimination of high-dimensional quantum states by concatenated optimal measurement strategies	4
Optimal calibration of gates in trapped-ion quantum computers	4
Quantum self-supervised learning	4
Compact quantum kernel-based binary classifier	4
Methods for classically simulating noisy networked quantum architectures	4
Entangling mechanical vibrations of two massive ferrimagnets by fully exploiting the nonlinearity of magnetostriction	4
Variational Hamiltonian simulation for translational invariant systems via classical pre-processing	4
Quantum error mitigation by hidden inverses protocol in superconducting quantum devices *	4
Tunable transverse spin–motion coupling for quantum information processing	4
A micro-optical module for multi-wavelength addressing of trapped ions	4
In-plane resonant excitation of quantum dots in a dual-mode photonic-crystal waveguide with high β-factor	4
Mitigating algorithmic errors in quantum optimization through energy extrapolation	4
The quantum solitons atomtronic interference device	4
Approximate decoherence free subspaces for distributed sensing	4
Density matrix simulation of quantum error correction codes for near-term quantum devices	4
Benchmarking embedded chain breaking in quantum annealing *	4