Papers
Live trends in quantum computing research, updated daily from arXiv.
Total Papers
31,850
This Month
265
Today
0
Research Volume
15,851 papers in 12 months (-35% vs prior quarter)
Research Focus Areas
Papers by research theme (12 months). Hover for details.
Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Wavevector multiplexed atomic quantum memory via spatially-resolved single-photon detection
Michał Parniak, M. Dąbrowski, Mateusz Mazelanik +3 more·Jun 14, 2017
Parallelized quantum information processing requires tailored quantum memories to simultaneously handle multiple photons. The spatial degree of freedom is a promising candidate to facilitate such photonic multiplexing. Using a single-photon resolving...
Benchmarking gate-based quantum computers
K. Michielsen, Madita Nocon, D. Willsch +3 more·Jun 14, 2017
Abstract With the advent of public access to small gate-based quantum processors, it becomes necessary to develop a benchmarking methodology such that independent researchers can validate the operation of these processors. We explore the usefulness o...
3D integrated superconducting qubits
D. Rosenberg, David K. Kim, R. Das +12 more·Jun 13, 2017
As the field of quantum computing advances from the few-qubit stage to larger-scale processors, qubit addressability and extensibility will necessitate the use of 3D integration and packaging. While 3D integration is well-developed for commercial ele...
Bistability in a Mesoscopic Josephson Junction Array Resonator
P. Muppalla, O. Gargiulo, S. I. Mirzaei +5 more·Jun 13, 2017
We present an experimental investigation of the switching dynamics of a stochastic bistability in a 1000 Josephson junctions array resonator with a resonance frequency in the GHz range. As the device is in the regime where the anharmonicity is on the...
Complex conjugation supermap of unitary quantum maps and its universal implementation protocol
Jisho Miyazaki, A. Soeda, M. Murao·Jun 12, 2017
A complex conjugation of unitary quantum map is a second-order map (supermap) that maps a unitary operator $U$ to its complex conjugate $U^*$. First, we present a deterministic quantum protocol that universally implements the complex conjugation supe...
Design of Quantum Annealing Machine for Prime Factoring
M. Maezawa, K. Imafuku, M. Hidaka +2 more·Jun 12, 2017
We propose a prime factoring machine operated in a frame work of quantum annealing (QA). The idea is inverse operation of a quantum-mechanically reversible multiplier implemented with QA-based Boolean logic circuits. We designed the QA machine on an ...
Experimental quantum verification in the presence of temporally correlated noise
S. Mavadia, C. Edmunds, Cornelius Hempel +4 more·Jun 12, 2017
Growth in the capabilities of quantum information hardware mandates access to techniques for performance verification that function under realistic laboratory conditions. Here we experimentally characterise the impact of common temporally correlated ...
Improved reversible and quantum circuits for Karatsuba-based integer multiplication
A. Parent, M. Rötteler, M. Mosca·Jun 11, 2017
Integer arithmetic is the underpinning of many quantum algorithms, with applications ranging from Shor's algorithm over HHL for matrix inversion to Hamiltonian simulation algorithms. A basic objective is to keep the required resources to implement ar...
Realization of Shor's Algorithm at Room Temperature
N. Johansson, Jan-Åke Larsson·Jun 10, 2017
Shor's algorithm can find prime factors of a large number more efficiently than any known classical algorithm. Understanding the properties that gives the speedup is essential for a general and scalable construction. Here we present a realization of ...
Analog Quantum Error Correction with Encoding a Qubit into an Oscillator.
Kosuke Fukui, A. Tomita, A. Okamoto·Jun 9, 2017
To implement fault-tolerant quantum computation with continuous variables, Gottesman-Kitaev-Preskill (GKP) qubits have been recognized as an important technological element. However, the analog outcome of GKP qubits, which includes beneficial informa...
The Quantum Approximation Optimization Algorithm for MaxCut: A Fermionic View
Zhihui Wang, Stuart Hadfield, Zhang Jiang +1 more·Jun 9, 2017
Farhi et al. recently proposed a class of quantum algorithms, the Quantum Approximate Optimization Algorithm (QAOA), for approximately solving combinatorial optimization problems. A level-p QAOA circuit consists of p steps; in each step a classical H...
Achieving the Heisenberg limit in quantum metrology using quantum error correction
Sisi Zhou, Mengzhen Zhang, J. Preskill +1 more·Jun 8, 2017
Quantum metrology has many important applications in science and technology, ranging from frequency spectroscopy to gravitational wave detection. Quantum mechanics imposes a fundamental limit on measurement precision, called the Heisenberg limit, whi...
Measurement-driven analog of adiabatic quantum computation for frustration-free Hamiltonians
Liming Zhao, Carlos A. Pérez-Delgado, S. Benjamin +1 more·Jun 8, 2017
The adiabatic quantum algorithm has drawn intense interest as a potential approach to accelerating optimization tasks using quantum computation. The algorithm is most naturally realised in systems which support Hamiltonian evolution, rather than disc...
Logic Synthesis for Quantum Computing
Mathias Soeken, M. Rötteler, N. Wiebe +1 more·Jun 8, 2017
We present a synthesis framework to map logic networks into quantum circuits for quantum computing. The synthesis framework is based on LUT networks (lookup-table networks), which play a key role in conventional logic synthesis. Establishing a connec...
Integrated sources of photon quantum states based on nonlinear optics
L. Caspani, C. Xiong, B. Eggleton +5 more·Jun 6, 2017
The ability to generate complex optical photon states involving entanglement between multiple optical modes is not only critical to advancing our understanding of quantum mechanics but will play a key role in generating many applications in quantum t...
Practical integer-to-binary mapping for quantum annealers
S. Karimi, Pooya Ronagh·Jun 6, 2017
Recent advancements in quantum annealing hardware and numerous studies in this area suggest that quantum annealers have the potential to be effective in solving unconstrained binary quadratic programming problems. Naturally, one may desire to expand ...
Structural properties of thin-film ferromagnetic topological insulators
C. C. Richardson, J. Devine-Stoneman, G. Divitini +6 more·Jun 6, 2017
We present a comprehensive study of the crystal structure of the thin-film, ferromagnetic topological insulator (Bi, Sb)2−xVxTe3. The dissipationless quantum anomalous Hall edge states it manifests are of particular interest for spintronics, as a nat...
Generalized entanglement measure for continuous-variable systems
S. Swain, Vineeth S. Bhaskara, P. Panigrahi·Jun 5, 2017
Concurrence introduced by Hill and Wootters [Phys. Rev. Lett. 78 , 5022 (1997)], provides an important measure of entanglement for a general pair of qubits that is strictly positive for entangled states and vanishes for all separable states. We prese...
Bosonic Particle-Correlated States: A Nonperturbative Treatment Beyond Mean Field for Strongly Interacting Systems
Zhang Jiang, Alexandre B. Tacla, C. Caves·Jun 5, 2017
Many useful properties of dilute Bose gases at ultra-low temperature are predicted precisely by the product-state ansatz, in which all particles are in the same quantum state. As particle-particle correlations become important, however, the product a...
The Classical Complexity of Boson Sampling
P. Clifford, R. Clifford·Jun 5, 2017
We study the classical complexity of the exact Boson Sampling problem where the objective is to produce provably correct random samples from a particular quantum mechanical distribution. The computational framework was proposed by Aaronson and Arkhip...