Papers
Live trends in quantum computing research, updated daily from arXiv.
Total Papers
28,402
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150
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Research Volume
13,522 papers in 12 months (-19% vs prior quarter)
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Papers by research theme (12 months). Hover for details.
Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Small-world complex network generation on a digital quantum processor
E. Jones, Logan E. Hillberry, Matthew T. Jones +9 more·Oct 30, 2021
Quantum cellular automata (QCA) evolve qubits in a quantum circuit depending only on the states of their neighborhoods and model how rich physical complexity can emerge from a simple set of underlying dynamical rules. The inability of classical compu...
Universal Fidelity Reduction of Quantum Operations from Weak Dissipation.
Tahereh Abad, Jorge Fernández-Pendás, Anton Frisk Kockum +1 more·Oct 29, 2021
Quantum information processing is in real systems often limited by dissipation, stemming from remaining uncontrolled interaction with microscopic degrees of freedom. Given recent experimental progress, we consider weak dissipation, resulting in a sma...
Understanding holographic error correction via unique algebras and atomic examples
Jason Pollack, Patrick Rall, Andrea Rocchetto·Oct 27, 2021
We introduce a fully constructive characterisation of holographic quantum error-correcting codes. That is, given a code and an erasure error we give a recipe to explicitly compute the terms in the RT formula. Using this formalism, we employ quantum c...
Holographic spacetime, black holes and quantum error correcting codes: a review
Tanay Kibe, Prabha Mandayam, A. Mukhopadhyay·Oct 27, 2021
This article reviews the progress in our understanding of the reconstruction of the bulk spacetime in the holographic correspondence from the dual field theory including an account of how these developments have led to the reproduction of the Page cu...
Quantum machine learning beyond kernel methods
S. Jerbi, Lukas J. Fiderer, Hendrik Poulsen Nautrup +3 more·Oct 25, 2021
Machine learning algorithms based on parametrized quantum circuits are prime candidates for near-term applications on noisy quantum computers. In this direction, various types of quantum machine learning models have been introduced and studied extens...
Variational quantum algorithm for Gaussian discrete solitons and their boson sampling
C. Conti·Oct 24, 2021
In the context of quantum information, highly nonlinear regimes, such as those supporting solitons, are marginally investigated. We miss general methods for quantum solitons, although they can act as entanglement generators or as self-organized quant...
Asymmetric Diamond Emitters for Unidirectional Photon Coupling
Satyajit Murmu, Avijit Kumar, R. Jha·Oct 23, 2021
The demand of single photon coupling to optical systems requires a suitable interface between negatively charged Nitrogen Vacancy (NV-) emitters in diamond to waveguides or optical circuits for applications in quantum network systems and in unidirect...
Detecting Entanglement-Generating Circuits in Cloud-Based Quantum Computing
J. Seong, J. Bae·Oct 20, 2021
Entanglement, a direct consequence of elementary quantum gates such as controlled-NOT or Toffoli gates, is a key resource that leads to quantum advantages. In this work, we establish the framework of certifying entanglement generation in cloud-based ...
Logical fermions for fault-tolerant quantum simulation
A. Landahl, B. Morrison·Oct 19, 2021
We show how to absorb fermionic quantum simulation's expensive fermion-to-qubit mapping overhead into the overhead already incurred by surface-code-based fault-tolerant quantum computing. The key idea is to process information in surface-code twist d...
Realizing Distance-Selective Interactions in a Rydberg-Dressed Atom Array.
Simon Hollerith, K. Srakaew, David Wei +10 more·Oct 19, 2021
Measurement-based quantum computing relies on the rapid creation of large-scale entanglement in a register of stable qubits. Atomic arrays are well suited to store quantum information, and entanglement can be created using highly-excited Rydberg stat...
FPGA-based electronic system for the control and readout of superconducting quantum processors.
Yuchen Yang, Z. Shen, Xing Zhu +6 more·Oct 15, 2021
Electronic systems for qubit control and measurement serve as a bridge between quantum programming language and quantum information processors. With the rapid development of superconducting quantum circuit technology, synchronization in a large-scale...
Near optimal sample complexity for matrix and tensor normal models via geodesic convexity
Cole Franks, Rafael Oliveira, Akshay Ramachandran +1 more·Oct 14, 2021
The matrix normal model, i.e., the family of Gaussian matrix-variate distributions whose covariance matrices are the Kronecker product of two lower dimensional factors, is frequently used to model matrix-variate data. The tensor normal model generali...
Large scale multi-node simulations of $\mathbb{Z}_2$ gauge theory quantum circuits using Google Cloud Platform
Erik J. Gustafson, B. Holzman, J. Kowalkowski +14 more·Oct 14, 2021
Simulating quantum field theories on a quantum computer is one of the most exciting fundamental physics applications of quantum information science. Dynamical time evolution of quantum fields is a challenge that is beyond the capabilities of classica...
Characterizing Quantum Instruments: From Nondemolition Measurements to Quantum Error Correction
R. Stricker, D. Vodola, A. Erhard +7 more·Oct 13, 2021
In quantum information processing quantum operations are often processed alongside measurements which result in classical data. Due to the information gain of classical measurement outputs non-unitary dynamical processes can take place on the system,...
Integrated programmable controlled phase gate design for quantum information processing
Y. Başay, S. Kocaman·Oct 13, 2021
An integrated programmable controlled-phase (CPHASE) gate has been proposed for quantum information processing applications. This gate can introduce arbitrary phase difference to the target qubit in the case of the control qubit being in the state of...
Transferring quantum information between a quantum system with limited control and a quantum computer
Ryosuke Sakai, A. Soeda, M. Murao·Oct 12, 2021
We consider a hybrid quantum system consisting of a qubit system continuously evolving according to its fixed own Hamiltonian and a quantum computer. The qubit system couples to a quantum computer through a fixed interaction Hamiltonian, which can on...
A scalable and fast artificial neural network syndrome decoder for surface codes
S. Gicev, L. Hollenberg, M. Usman·Oct 12, 2021
Surface code error correction offers a highly promising pathway to achieve scalable fault-tolerant quantum computing. When operated as stabilizer codes, surface code computations consist of a syndrome decoding step where measured stabilizer operators...
Quantum error correction with higher Gottesman-Kitaev-Preskill codes: Minimal measurements and linear optics
Frank Schmidt, P. Loock·Oct 11, 2021
We propose two schemes to obtain Gottesman-Kitaev-Preskill (GKP) error syndromes by means of linear optical operations, homodyne measurements and GKP ancillae. This includes showing that for a concatenation of GKP codes with a $[n,k,d]$ stabilizer co...
On the energy landscape of symmetric quantum signal processing
Jiasu Wang, Yulong Dong, Lin Lin·Oct 11, 2021
Symmetric quantum signal processing provides a parameterized representation of a real polynomial, which can be translated into an efficient quantum circuit for performing a wide range of computational tasks on quantum computers. For a given polynomia...
Kolmogorov complexity of unitary transformations in quantum computing
A. Kaltchenko·Oct 10, 2021
We introduce a notion of Kolmogorov complexity of unitary transformation, which can (roughly) be understood as the least possible amount of information required to fully describe and reconstruct a given finite unitary transformation. In the context o...