Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Monogamy of Gaussian quantum steering and entanglement in a hybrid qubit-cavity optomagnonic system with coherent feedback loop
Hamza Harraf, Mohamed Amazioug, Amjad Sohail +1 more·Oct 11, 2025
The monogamy of quantum correlations is a fundamental principle in quantum information processing, limiting how quantum correlations can be shared among multiple subsystems. Here we propose a theoretical scheme to investigate the monogamy of quantum ...
Fractional Aharonov-Bohm effect for retarded potentials
J. D. Franson·Oct 11, 2025
It has been suggested that the magnetic Aharonov-Bohm effect can be interpreted equally well as being due to a phase shift associated with an electron in an interferometer enclosing a magnetic flux, or as a phase shift associated with the electrons i...
On the validity of intermediate tracing in multiple quantum interactions
Reuven Ianconescu, Bin Zhang, Aharon Friedman +2 more·Oct 11, 2025
Interactions between many (initially separate) quantum systems raise the question on how to prepare and how to compute the measurable results of their interaction. When one prepares each system individually and let them interact, one has to tensor mu...
Defect-driven incoherent skin localization
Emmanouil T. Kokkinakis, Konstantinos G. Makris, Eleftherios N. Economou·Oct 11, 2025
The process of dephasing during wave evolution has traditionally been viewed as an obstacle to localization, leading to diffusion even in strongly disordered Hermitian lattices. In contrast, here we demonstrate how the interplay of dephasing with non...
Quantum Kernel Methods: Convergence Theory, Separation Bounds and Applications to Marketing Analytics
Laura Sáez-Ortuño, Santiago Forgas-Coll, Massimiliano Ferrara·Oct 11, 2025
This work studies the feasibility of applying quantum kernel methods to a real consumer classification task in the NISQ regime. We present a hybrid pipeline that combines a quantum-kernel Support Vector Machine (Q-SVM) with a quantum feature extracti...
Quantum modeling of radical pair magnetic sensor based on electric dipole moment
Mahboobe Sehati, Ali Soltanmanesh, Shabnam Abutalebi +4 more·Oct 11, 2025
Photoreduction of cryptochrome protein in the retina is a well-known mechanism of navigation of birds through the geomagnetic field, yet the biosignal nature of the mechanism remains unclear. The absorption of blue light by the flavin adenine dinucle...
Universal Manipulation of Quantum Synchronization in Spin Oscillator Networks
Shuo Dai, Zeqing Wang, Liang-Liang Wan +4 more·Oct 11, 2025
Quantum synchronization (QS) in open many-body systems offers a promising route for controlling collective quantum dynamics, yet existing manipulation schemes often rely on dissipation engineering, which distorts limit cycles, lacks scalability, and ...
Features of preparable entangled states in Gaussian quantum networks
Shuanping Du, Zhaofang Bai·Oct 11, 2025
Large-scale quantum networks have been employed to overcome practical constraints on transmission and storage for single entangled systems. The deterministic preparation of entangled states is one of the key factors for realization of quantum network...
Time-diffracting 2D wave vortices
Boris A. Khanikati, Konstantin Y. Bliokh·Oct 11, 2025
Wave vortices constitute a large family of wave entities, closely related to phase singularities and orbital angular momentum (OAM). So far, two main classes of localized wave vortices have been explored: (i) transversely-localized monochromatic vort...
On the Noisy Road to Open Quantum Dynamics: The Place of Stochastic Hamiltonians
Pietro De Checchi, Federico Gallina, Barbara Fresch +1 more·Oct 11, 2025
Stochastic evolution underpins several approaches to the dynamics of open quantum systems, such as random modulation of Hamiltonian parameters, the stochastic Schrodinger equation (SSE), and the stochastic Liouville equation (SLE). These approaches r...
Quasiparticle pairing encoding of atomic nuclei for quantum annealing
Emanuele Costa, Axel Pérez-Obiol, Javier Menéndez +3 more·Oct 11, 2025
Quantum computing is emerging as a promising tool in nuclear physics. However, the cost of encoding fermionic operators hampers the application of algorithms in current noisy quantum devices. In this work, we analyze an encoding scheme based on pairi...
Mixture of Inverse Gaussians for Hemodynamic Transport (MIGHT) in Multiple-Input Multiple-Output Vascular Networks
Timo Jakumeit, Bastian Heinlein, Nunzio Tuccitto +3 more·Oct 11, 2025
Synthetic molecular communication (MC) in the cardiovascular system is a key enabler for many envisioned medical applications inside the human body, such as targeted drug delivery, early disease detection, and continuous health monitoring. The design...
Hybrid Quantum Systems: Coupling Single-Molecule Magnet Qudits with Industrial Silicon Spin Qubits
Daniel Schroller, Daniel Sitter, Thomas Koch +12 more·Oct 11, 2025
Molecular spin qudits offer an attractive platform for quantum memory, combining long coherence times with rich multi-level spin structures. Terbium bis(phthalocyaninato) (TbPc$_2$) exemplifies such systems, with demonstrated quantum control and chem...
Spin exchange of two spin-1/2 atoms
Pan Zeming, Tan Naiming, Gao Chao +2 more·Oct 11, 2025
The quantum Cheshire cat effect is an important phenomenon in quantum mechanics that reveals the separability of physical properties from their carriers. This effect transcends the classical framework whose attributes must be inherently attached to o...
Broad nonlocal spectrum in the Pb-InSb hybrid three terminals for potential realization of Kitaev chains
Guoan Li, Xiaofan Shi, Ruixuan Zhang +21 more·Oct 11, 2025
Hybrid superconductor-semiconductor(SC-SM) nanowires remain one of the foremost platforms for engineering topological superconductivity and Majorana zero modes(MZMs) towards fault-tolerant topological qubits, especially with the rapid development of ...
Observational entropy of quantum correlations and entanglement
Leonardo Rossetti, Stefano Mancini, Andreas Winter +1 more·Oct 11, 2025
The use of coarse graining to connect physical and information theoretic entropies has recently been given a precise formulation in terms of ``observational entropy'', describing entropy for observers with respect to a measurement. Here we consider o...
Quantum Alternating Direction Method of Multipliers for Semidefinite Programming
Hantao Nie, Dong An, Zaiwen Wen·Oct 11, 2025
Semidefinite programming (SDP) is a fundamental convex optimization problem with wide-ranging applications. However, solving large-scale instances remains computationally challenging due to the high cost of solving linear systems and performing eigen...
Random State Approach to Quantum Computation of Electronic-Structure Properties
Yiran Bai, Feng Xiong, Xueheng Kuang·Oct 11, 2025
Classical computation of electronic properties in large-scale materials remains challenging. Quantum computation has the potential to offer advantages in memory footprint and computational scaling. However, general and practical quantum algorithms fo...
Bounds on Eventually Universal Quantum Gate Sets
Chaitanya Karamchedu, Matthew Fox, Daniel Gottesman·Oct 11, 2025
Say a collection of $n$-qu$d$it gates $Γ$ is eventually universal if and only if there exists $N_0 \geq n$ such that for all $N \geq N_0$, one can approximate any $N$-qu$d$it unitary to arbitrary precision by a circuit over $Γ$. In this work, we impr...
How much can we learn from quantum random circuit sampling?
Tudor Manole, Daniel K. Mark, Wenjie Gong +3 more·Oct 10, 2025
Benchmarking quantum devices is a foundational task for the sustained development of quantum technologies. However, accurate in situ characterization of large-scale quantum devices remains a formidable challenge: such systems experience many differen...