Papers
Live trends in quantum computing research, updated daily from arXiv.
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13,008 papers in 12 months (-3% vs prior quarter)
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Entanglement and iSWAP gate between molecular qubits
L. R. Picard, Annie J. Park, Gabriel E. Patenotte +4 more·Jun 21, 2024
Quantum computation and simulation rely on long-lived qubits with controllable interactions. Trapped polar molecules have been proposed as a promising quantum computing platform, offering scalability and single-particle addressability while still lev...
Nonlinearity of the Fidelity in Open Qudit Systems: Gate and Noise Dependence in High-dimensional Quantum Computing
Jean-Gabriel Hartmann, D. Jankovi'c, R'emi Pasquier +2 more·Jun 21, 2024
High-dimensional quantum computing has generated significant interest due to its potential to address scalability and error correction challenges faced by traditional qubit-based systems. This paper investigates the Average Gate Fidelity (AGF) of sin...
Quantum extreme learning of molecular potential energy surfaces and force fields
Gabriele Lo Monaco, Marco Bertini, Salvatore Lorenzo +1 more·Jun 20, 2024
Quantum machine learning algorithms are expected to play a pivotal role in quantum chemistry simulations in the immediate future. One such key application is the training of a quantum neural network to learn the potential energy surface and force fie...
Individually addressed entangling gates in a two-dimensional ion crystal
Y. Hou, Y.-J. Yi, Y. Wu +14 more·Jun 20, 2024
Two-dimensional (2D) ion crystals may represent a promising path to scale up qubit numbers for ion trap quantum information processing. However, to realize universal quantum computing in this system, individually addressed high-fidelity two-qubit ent...
Gate Teleportation in Noisy Quantum Networks with the SquidASM Simulator
Valter Uotila·Jun 19, 2024
We implement the gate teleportation algorithm for teleporting arbitrary two-qubit Clifford gates and the Toffoli gate within the context of multi-node quantum networks, utilizing the SquidASM quantum network simulator. We show how a gate teleportatio...
Stabilizing the Kerr arbitrary cat states and holonomic universal control
Ke-hui Yu, Fan Zhu, Jiao-Jiao Xue +1 more·Jun 19, 2024
The interference-free double potential wells realized by the two-photon driving Kerr nonlinear resonator (KNR) can stabilize cat states and protect them from decoherence through a large energy gap. In this work, we use a parametrically driving KNR to...
Suppressing photon detection errors in nondeterministic state preparation
Csaba Czab'an, Zoltán Kolarovszki, Márton Karácsony +1 more·Jun 19, 2024
Photonic quantum computing has recently emerged as a promising candidate for fault-tolerant quantum computing by photonic qubits. These protocols make use of nondeterministic gates, enabling universal quantum computation. However, the suggested solut...
Transversal cnot gate with multicycle error correction
Younghun Kim, M. Sevior, Muhammad Usman·Jun 18, 2024
A scalable and programmable quantum computer holds the potential to solve computationally intensive tasks that classical computers cannot accomplish within a reasonable time frame, achieving quantum advantage. However, the vulnerability of the curren...
Simulating nonlinear optical processes on a superconducting quantum device
Yuan Shi, B. Evert, Amy F. Brown +8 more·Jun 18, 2024
Simulating plasma physics on quantum computers is difficult because most problems of interest are nonlinear, but quantum computers are not naturally suitable for nonlinear operations. In weakly nonlinear regimes, plasma problems can be modelled as wa...
Quantum Compiling with Reinforcement Learning on a Superconducting Processor
Z. Wang, Qiuhao Chen, Yuxuan Du +16 more·Jun 18, 2024
To effectively implement quantum algorithms on noisy intermediate-scale quantum (NISQ) processors is a central task in modern quantum technology. NISQ processors feature tens to a few hundreds of noisy qubits with limited coherence times and gate ope...
Hybrid Quantum-Classical Algorithms
Roberto Campos·Jun 18, 2024
This thesis explores hybrid algorithms that combine classical and quantum computing to enhance the performance of classical algorithms. Two approaches are studied: a hybrid search and sample optimization algorithm and a classical algorithm that asses...
Realizing string-net condensation: Fibonacci anyon braiding for universal gates and sampling chromatic polynomials
Z. Minev, Khadijeh Najafi, Swarnadeep Majumder +5 more·Jun 18, 2024
The remarkable complexity of a topologically ordered many-body quantum system is encoded in the characteristics of its anyons. Quintessential predictions emanating from this complexity employ the Fibonacci string net condensate (Fib SNC) and its anyo...
A Representative Framework for Implementing Quantum Finite Automata on Real Devices
A. Khadieva, Özlem Salehi, A. Yakaryılmaz·Jun 17, 2024
We present a framework for the implementation of quantum finite automata algorithms designed for the language $ MOD_p = \{ a^{i\cdot p } \mid i \geq 0 \}$ on gate-based quantum computers. First, we compile the known theoretical results from the liter...
Nonunitary Coupled Cluster Enabled by Midcircuit Measurements on Quantum Computers.
Alexandre Fleury, James Brown, Erika Lloyd +2 more·Jun 17, 2024
Many quantum algorithms rely on a quality initial state for optimal performance. Preparing an initial state for specific applications can considerably reduce the cost of probabilistic algorithms such as the well studied quantum phase estimation (QPE)...
Efficient particle-conserving brick-wall quantum circuits
Babatunde M. Ayeni·Jun 17, 2024
In variational quantum optimization with particle-conserving quantum circuits, it is often difficult to decide a priori which particle-conserving gates and circuit ansatzes would be most efficient for a given problem. This is important especially for...
Exploring Gamification in Quantum Computing: The Qubit Factory
Glen Evenbly·Jun 17, 2024
Gamification of quantum theory can provide new inroads into the subject: by allowing users to experience simulated worlds that manifest obvious quantum behaviors they can potentially build intuition for quantum phenomena. The Qubit Factory is an engi...
High-entanglement capabilities for variational quantum algorithms: the Poisson equation case
F. Ayoub, J. Baeder·Jun 14, 2024
The discretized Poisson equation matrix (DPEM) in 1D has been shown to require an exponentially large number of terms when decomposed in the Pauli basis when solving numerical linear algebra problems on a quantum computer. Additionally, traditional a...
Fast and Accurate Greenberger-Horne-Zeilinger Encoding Using All-to-All Interactions.
Chao Yin·Jun 14, 2024
The N-qubit Greenberger-Horne-Zeilinger (GHZ) state is an important resource for quantum technologies. We consider the task of GHZ encoding using all-to-all interactions, which prepares the GHZ state in a special case, and is furthermore useful for q...
Polynomial Reduction Methods and their Impact on QAOA Circuits
Lukas Schmidbauer, Karen Wintersperger, Elisabeth Lobe +1 more·Jun 13, 2024
Abstraction layers are of paramount importance in software architecture, as they shield the higher-level formulation of payload computations from lower-level details. Since quantum computing (QC) introduces many such details that are often unaccustom...
Hyperdimensional Quantum Factorization
Prathyush P. Poduval, Zhuowen Zou, Alvaro Velasquez +1 more·Jun 13, 2024
This paper presents a quantum algorithm for efficiently decoding hypervectors, a crucial process in extracting atomic elements from hypervectors - an essential task in Hyperdimensional Computing (HDC) models for interpretable learning and information...