Papers
Live trends in quantum computing research, updated daily from arXiv.
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13,405 papers in 12 months (-22% vs prior quarter)
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Fermionic versus Spin Baths in non-Interacting Transport Models
Muhammad Zia, Moritz Cygorek, Erik M. Gauger +1 more·Oct 7, 2025
We investigate how fermionic anticommutation shapes transport in a noninteracting resonant-level model where a single central site is coupled to an environment. To this end, we compare a fermionic reservoir with a bath of spin-half modes using exact ...
Angular--Momentum--Resolved Aharonov--Bohm Coupling Energy
Ju Gao, Fang Shen·Oct 7, 2025
We present an angular--momentum--resolved energetic formulation of the Aharonov--Bohm (AB) response for a confined Dirac electron based on two gauge--invariant interaction functionals: a magnetization--field functional and a current--potential functi...
Hybrid Quantum-Classical Policy Gradient for Adaptive Control of Cyber-Physical Systems: A Comparative Study of VQC vs. MLP
Aueaphum Aueawatthanaphisut, Nyi Wunna Tun·Oct 7, 2025
The comparative evaluation between classical and quantum reinforcement learning (QRL) paradigms was conducted to investigate their convergence behavior, robustness under observational noise, and computational efficiency in a benchmark control environ...
Extended validations on photon number resolving detector based Gaussian boson sampling with low noises
Yang Ji, Yongzheng Wu, Shi Wang +3 more·Oct 7, 2025
Gaussian boson sampling (GBS) is a variety of boson sampling overcoming the stable single-photon preparation difficulty of the later. However, like those in the original version, noises in GBS will also result in the deviation of output patterns and ...
Robust Non-Adiabatic Holonomic Gating in Qutrits via Inverse-Engineered Pulse Shaping and Error Compensation
Jie Lu, Jie-Dong Huang, Yang Qian +3 more·Oct 7, 2025
Systematic control errors, specifically Rabi frequency fluctuations and frequency detuning, constitute a primary bottleneck for high-fidelity quantum gates across leading platforms. In this work, we present a robust pulse engineering framework for no...
Hybrid quantum-classical analog simulation of two-dimensional Fermi-Hubbard models with neutral atoms
Sergi Julià-Farré, Antoine Michel, Christophe Domain +11 more·Oct 7, 2025
We experimentally study the two-dimensional Fermi-Hubbard model using a Rydberg-based quantum processing unit in the analog mode. Our approach avoids encoding directly the original fermions into qubits and instead relies on reformulating the original...
Learning stabilizer structure of quantum states
Srinivasan Arunachalam, Arkopal Dutt·Oct 7, 2025
We consider the task of learning a structured stabilizer decomposition of an arbitrary $n$-qubit quantum state $|ψ\rangle$: for $ε> 0$, output a state $|φ\rangle$ with stabilizer-rank $\textsf{poly}(1/ε)$ such that $|ψ\rangle=|φ\rangle+|φ'\rangle$ wh...
Full Eigenstate Thermalization in Integrable Spin Systems
Tanay Pathak·Oct 7, 2025
The Eigenstate Thermalization Hypothesis(ETH) is a standard tool to understand the thermalization properties of an isolated quantum system. Its generalization to higher order correlations of matrix elements of local operators, dubbed the full ETH, pr...
Entanglement dynamics and performance of two-qubit gates for superconducting qubits under non-Markovian effects
Kiyoto Nakamura, Joachim Ankerhold·Oct 7, 2025
Within a numerically exact simulation technique, the dissipative dynamics of a two-qubit architecture is considered in which each qubit couples to its individual noise source (reservoir). The goal is to reveal the role of subtle qubit-reservoir corre...
Dynamic Scheduling in Fiber and Spaceborne Quantum Repeater Networks
Paolo Fittipaldi·Oct 7, 2025
The problem of scheduling in quantum networks amounts to choosing which entanglement swapping operations to perform to better serve user demand. The choice can be carried out following a variety of criteria (e.g. ensuring all users are served equally...
Hayden--Preskill Model via Local Quenches
Weibo Mao, Tadashi Takayanagi·Oct 7, 2025
We model the Hayden--Preskill (HP) information recovery protocol in 2d CFTs via local joining quenches. Euclidean path integrals with slits prepare the HP subsystems: the message $M$, its reference $N$, the Page-time black hole $B$, the early radiati...
Hybrid Sequential Quantum Computing
Pranav Chandarana, Sebastián V. Romero, Alejandro Gomez Cadavid +3 more·Oct 7, 2025
We introduce hybrid sequential quantum computing (HSQC), a paradigm for combinatorial optimization that systematically integrates classical and quantum methods within a structured, stage-wise workflow. HSQC may involve an arbitrary sequence of classi...
Optimal ancilla-free Clifford+T synthesis for general single-qubit unitaries
Hayata Morisaki, Kaoru Sano, Seiseki Akibue·Oct 7, 2025
We propose two Clifford+$T$ synthesis algorithms that are optimal with respect to $T$-count. The first algorithm, called deterministic synthesis, approximates any single-qubit unitary by a single-qubit Clifford+$T$ circuit with the minimum $T$-count....
Efficient Post-Selection for General Quantum LDPC Codes
Seok-Hyung Lee, Lucas H. English, Stephen D. Bartlett·Oct 7, 2025
Post-selection strategies that discard low-confidence computational results can significantly improve the effective fidelity of quantum error correction at the cost of reduced acceptance rates, which can be particularly useful for offline resource st...
Implementation of multiparticle quantum speed limits on observables
Rui-Heng Miao, Zhao-Di Liu, Chen-Xi Ning +4 more·Oct 7, 2025
The energy-time uncertainty relation limits the maximum speed of quantum system evolution and is crucial for determining whether quantum tasks can be accelerated. However, multiparticle quantum speed limits have not been experimentally explored. In t...
First experimental measurements of biophotons from Astrocytes and Glioblastoma cell cultures
L. De Paolis, E. Pace, C. Mazzanti +10 more·Oct 7, 2025
Biophotons are non-thermal and non-bioluminescent ultraweak photon emissions, first hypothesised by Gurwitsch in 1924 as a regulatory mechanism in cell division, and then experimentally observed in living organisms. Today, two main hypotheses explain...
The PESCADO Method for Autonomous Systems: An Application to Photoionization at Near-optical Wavelengths
Selstø Sølve, Bendik Steinsvåg Dalen·Oct 7, 2025
In a recent publication, Dalen, and Selstø, Phys. Rev. A {\bf 111}, 033116 (2025), it was demonstrated how converged photo electron spectra could be determined using a complex absorbing potential on a truncated numerical domain considerably smaller t...
All-optical bubble trap for ultracold atoms in microgravity
Romain Veyron, Clément Métayer, Jean-Baptiste Gérent +5 more·Oct 7, 2025
In this paper, we present an all-optical method to produce shell-shaped traps for ultracold atoms in microgravity. Our scheme exploits optical double dressing of the ground state to create a short range strongly repulsive central potential barrier. C...
Low Overhead Universal Quantum Computation with Triorthogonal Codes
Dawei Jiao, Mahdi Bayanifar, Alexei Ashikhmin +1 more·Oct 7, 2025
We study the use of triorthogonal codes for universal fault-tolerant quantum computation and propose two methods to circumvent the Eastin-Knill theorem, which prohibits any single quantum error-correcting code from supporting both universality and a ...
Valley-dependent topological interface states in biased armchair nanoribbons of gapless single-layer graphene for transport applications
Zheng-Han Huang, Jing-Yuan Lai, Yu-Shu G. Wu·Oct 7, 2025
Valley-dependent topological physics offers a promising avenue for designing nanoscale devices based on gapless single-layer graphene. To demonstrate this potential, we investigate an electrical bias-controlled topological discontinuity in valley pol...