Papers
Live trends in quantum computing research, updated daily from arXiv.
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13,634 papers in 12 months (-16% vs prior quarter)
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Simulating spin–orbit coupled Bose–Einstein condensates: a concise overview for non-experts
Dylan R. Pollard·Jan 13, 2025
Cold ensembles of bosons are a useful platform for studying many-body quantum states present in quantum technologies, and simulations of these systems are convenient for streamlining design of such technologies. This paper provides an overview of spi...
Quantum Computing Enhanced Sensing
Richard R. Allen, F. Machado, Isaac L. Chuang +2 more·Jan 13, 2025
Quantum computing and quantum sensing represent two distinct frontiers of quantum information science. In this work, we harness quantum computing to solve a fundamental and practically important sensing problem: the detection of weak oscillating fiel...
Quantum signal processing without angle finding
Abhijeet Alase·Jan 13, 2025
Quantum signal processing (QSP) has emerged as a unifying subroutine in quantum algorithms. In QSP, we are given a function $f$ and a unitary black-box $U$, and the goal is to construct a quantum circuit for implementing $f(U)$ to a given precision. ...
Efficient quantum circuit compilation for near-term quantum advantage
Yuchen Guo, Shuo Yang·Jan 13, 2025
Quantum noise in real-world devices poses a significant challenge in achieving practical quantum advantage, since accurately compiled and executed circuits are typically deep and highly susceptible to decoherence. To facilitate the implementation of ...
Necessary and sufficient condition for constructing a single qudit insertion/deletion code and its decoding algorithm
Taro Shibayama·Jan 13, 2025
This paper shows that Knill-Laflamme condition, known as a necessary and sufficient condition for quantum error-correction, can be applied to quantum errors where the number of particles changes before and after the error. This fact shows that correc...
Improving key rates by tighter information reconciliation leakage estimation for quantum key distribution
Haokun Mao, Bo Yang, Yucheng Qiao +4 more·Jan 13, 2025
Previous research has aimed to precisely estimate information leakage to improve the secure key rate (SKR) and maximum transmission distance in quantum key distribution (QKD). However, existing methods repeatedly considerd the information of the mult...
Robust Hybrid Classical-Quantum Transfer Learning Model for Text Classification Using GPT-Neo 125M with LoRA & SMOTE Enhancement
Santanam Wishal·Jan 12, 2025
This research introduces a hybrid classical-quantum framework for text classification, integrating GPT-Neo 125M with Low-Rank Adaptation (LoRA) and Synthetic Minority Over-sampling Technique (SMOTE) using quantum computing backends. While the GPT-Neo...
Resilience of Quantum Teleportation Fidelity for Bipartite Mixed States near Schwarzschild and Dilaton Black Holes
Abhijit Mandal, Sovik Roy·Jan 11, 2025
We investigate the robustness of quantum teleportation in the presence of strong gravitational fields by analysing bipartite mixed states derived from tripartite GHZ and W-class states near black hole event horizons. Considering a scenario where two ...
Quantum Testing in the Wild: A Case Study with Qiskit Algorithms
Neilson Carlos Leite Ramalho, É. A. D. Silva, H. A. D. Souza +1 more·Jan 11, 2025
Although classical computing has excelled in a wide range of applications, there remain problems that push the limits of its capabilities, especially in fields like cryptography, optimization, and materials science. Quantum computing introduces a new...
Dissipating quartets of excitations in a superconducting circuit
Aron Vanselow, Brieuc Beauseigneur, Louis Lattier +5 more·Jan 10, 2025
Over the past decade, autonomous stabilization of bosonic qubits has emerged as a promising approach for hardware-efficient protection of quantum information. However, applying these techniques to more complex encodings than the Schrödinger cat code ...
High-dimensional quantum key distribution rates for multiple measurement bases
Nikolai Wyderka, Giovanni Chesi, Hermann Kampermann +2 more·Jan 10, 2025
We investigate the advantages of high-dimensional encoding for a quantum key distribution protocol. In particular, we address a BBM92-like protocol where the dimension of the systems can be larger than two and more than two mutually unbiased bases (M...
Plane-selective manipulations of nuclear spin qubits in a three-dimensional optical tweezer array
Toshi Kusano, Y. Nakamura, Rei Yokoyama +5 more·Jan 10, 2025
One of the central challenges for a practical fault-tolerant quantum computer is scalability. A three-dimensional structure of optical tweezer arrays offers the potential for scaling up neutral atom processors. However, coherent operations, essential...
Q-MAML: Quantum Model-Agnostic Meta-Learning for Variational Quantum Algorithms
Junyong Lee, Jeihee Cho, Shiho Kim·Jan 10, 2025
In the Noisy Intermediate-Scale Quantum (NISQ) era, using variational quantum algorithms (VQAs) to solve optimization problems has become a key application. However, these algorithms face significant challenges, such as choosing an effective initial ...
Faster quantum chemistry simulations on a quantum computer with improved tensor factorization and active volume compilation
Athena Caesura, Cristian L. Cortes, W. Pol +8 more·Jan 10, 2025
Electronic structure calculations of molecular systems are among the most promising applications for fault-tolerant quantum computing (FTQC) in quantum chemistry and drug design. However, while recent algorithmic advancements such as qubitization and...
Practical Quantum Circuit Implementation for Simulating Coupled Classical Oscillators
Natt Luangsirapornchai, Peeranat Sanglaor, Apimuk Sornsaeng +4 more·Jan 10, 2025
Simulating large-scale coupled-oscillator systems presents substantial computational challenges for classical algorithms, particularly when pursuing first-principles analyses in the thermodynamic limit. Motivated by the quantum algorithm framework pr...
Myths around quantum computation before full fault tolerance: What no-go theorems rule out and what they don't
Zolt'an Zimbor'as, Bálint Koczor, Zoe Holmes +19 more·Jan 10, 2025
In this perspective article, we revisit and critically evaluate prevailing viewpoints on the capabilities and limitations of near-term quantum computing and its potential transition toward fully fault-tolerant quantum computing. We examine theoretica...
The Hitchhiker's Guide to QSP pre-processing
S. Skelton·Jan 10, 2025
Quantum signal processing (QSP) relies on a historically costly pre-processing step,"QSP-processing/phase-factor finding."QSP-processing is now a developed topic within quantum algorithms literature, and a beginner accessible review of QSP-processing...
Validating Quantum State Preparation Programs (Extended Version)
Liyi Li, Anshu Sharma, Zoukarneini Difaizi Tagba +2 more·Jan 9, 2025
One of the key steps in quantum algorithms is to prepare an initial quantum superposition state with different kinds of features. These so-called state preparation algorithms are essential to the behavior of quantum algorithms, and complicated state ...
Blind calibration of a quantum computer
Liam M. Jeanette, Jadwiga Wilkens, Ingo Roth +4 more·Jan 9, 2025
The calibration of quantum measurements is limited by the ability to accurately prepare quantum states under unknown device errors. We develop an accurate calibration protocol for the measurement apparatus of a quantum computer that is `blind' to the...
Implementation of phase gates using single photons
V. Hizhnyakov·Jan 9, 2025
Quantum computing algorithms using the quantum Fourier transform require repeated use of a phase shift gate. In the case of qubits using optical photons for operation, this gate can be implemented using single-photon beams focused close to the diffra...