Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
A fidelity-driven approach to quantum circuit partitioning via weighted hypergraphs for noise-resilient computation
Awad Wehbe, Safiya Al Khatib, Abdel-Mehsen Ahmad·Jun 7, 2025
Effective circuit partitioning is critical for Noisy Intermediate-Scale Quantum (NISQ) devices, which are hampered by high error rates and limited qubit connectivity. Standard partitioning heuristics often neglect gate-specific error impacts, leading...
Scalable Simulation of Fermionic Encoding Performance on Noisy Quantum Computers
Emiliia Dyrenkova, Raymond Laflamme, Michael Vasmer·Jun 6, 2025
A compelling application of quantum computers with thousands of qubits is quantum simulation. Simulating fermionic systems is both a problem with clear real-world applications and a computationally challenging task. In order to simulate a system of f...
Finite-temperature entanglement and coherence in asymmetric bosonic Josephson junctions
Cesare Vianello, Matteo Ferraretto, Luca Salasnich·Jun 6, 2025
We investigate the finite-temperature properties of a bosonic Josephson junction composed of N interacting atoms confined by a quasi-one-dimensional asymmetric double-well potential, modeled by the two-site Bose-Hubbard Hamiltonian. We compute numeri...
Tilt-Induced Localization in Interacting Bose-Einstein Condensates for Quantum Sensing
Argha Debnath, Mariusz Gajda, Debraj Rakshit·Jun 6, 2025
We investigate localization transitions in interacting Bose-Einstein condensates (BECs) confined in tilted optical lattices, focusing on both the continuum limit accessed via shallow lattice depths and the tight-binding limit realized in the deep lat...
Optimal absorption and emission of itinerant fields into a spin ensemble memory
Linda Greggio, Tristan Lorriaux, Alexandru Petrescu +2 more·Jun 6, 2025
Quantum memories integrated in a modular quantum processing architecture can rationalize the resources required for quantum computation. This work focuses on spin-based quantum memories, where itinerant electromagnetic fields are stored in large ense...
Magnetic control of an exciton-polariton condensate in a van der Waals magnet
Heng Zhang, Niloufar Nilforoushan, Christian Weidgans +12 more·Jun 6, 2025
Quasiparticle condensates are among the most spectacular solid-state manifestations of quantum physics. Coupling macroscopic real-space wave functions to additional degrees of freedom, such as the electron spin, would add valuable control knobs for q...
Pathfinding Quantum Simulations of Neutrinoless Double-Beta Decay
Ivan A. Chernyshev, Roland C. Farrell, Marc Illa +10 more·Jun 6, 2025
We present results from co-designed quantum simulations of the neutrinoless double-beta decay of a simple nucleus in 1+1D quantum chromodynamics using IonQ's Forte-generation trapped-ion quantum computers. Electrons, neutrinos, and up and down quarks...
Low-loss telecom-band nanofiber cavity for interfacing Yb atomic qubits.
Seitaro Horikawa, Shinya Kato, Ryotaro Inoue +3 more·Jun 6, 2025
We demonstrate the fabrication of an optical nanofiber cavity designed for efficient interface with ytterbium (Yb) atoms at telecom-wavelength transitions. Replacing the conventional hydrogen-oxygen flame with a deuterium-oxygen flame in the heat-and...
A Comparative Study of Classical and Post-Quantum Cryptographic Algorithms in the Era of Quantum Computing
Arimondo Scrivano·Jun 6, 2025
The advent of quantum computing poses a significant threat to the foundational cryptographic algorithms that secure modern digital communications. Protocols such as HTTPS, digital certificates, and public key infrastructures (PKIs) heavily rely on cr...
Classical analog circuit emulation of quantum Grover search algorithm
Samuel Feldman, Hassam Ghazali, A. Rogachev·Jun 6, 2025
We construct a completely analog framework that emulates universal quantum gates and quantum algorithms. It is based on electronic circuits made of operational amplifiers, resistors and capacitors. In these circuits, input and output lines represent ...
Quantum mechanics can find a needle in a haystack every time
F. Mohit, J. Guanzon, Jaden McKinlay +5 more·Jun 6, 2025
Grover's algorithm is one of the pioneering demonstrations of the advantages of quantum computing over its classical counterpart, providing - at most - a quadratic speed-up over the classical solution for unstructured database search. The original fo...
State Dependent Optimization with Quantum Circuit Cutting
Xinpeng Li, Ji Liu, Jeffrey M. Larson +4 more·Jun 6, 2025
Quantum circuits can be reduced through optimization to better fit the constraints of quantum hardware. One such method, initial-state dependent optimization (ISDO), reduces gate count by leveraging knowledge of the input quantum states. Surprisingly...
Transient and steady-state chaos in dissipative quantum systems
Debabrata Mondal, Lea F. Santos, S. Sinha·Jun 5, 2025
Dissipative quantum chaos plays a central role in the characterization and control of information scrambling, non-unitary evolution, and thermalization, but it still lacks a precise definition. The Grobe-Haake-Sommers conjecture, which links Ginibre ...
Erasure cost of a quantum process: A thermodynamic meaning of the dynamical min-entropy
Himanshu Badhani, Dhanuja GS, Swati Choudhary +2 more·Jun 5, 2025
The erasure of information is fundamentally an irreversible logical operation, carrying profound consequences for the energetics of computation and information processing. We investigate the thermodynamic costs associated with erasing (and preparing)...
Quantum sequel of neural network training
Hao Zhang, Alex Kamenev·Jun 5, 2025
Training of neural networks (NNs) has emerged as a major consumer of both computational and energy resources. Quantum computers were coined as a root to facilitate training, but no experimental evidence has been presented so far. Here we demonstrate ...
Non-Hermitian magnetic moment
Bar Alon, Moshe Goldstein, Roni Ilan·Jun 5, 2025
We construct a semiclassical theory for electrons in a non-Hermitian periodic system subject to perturbations varying slowly in space and time. We derive the energy of the wavepacket to first order in the gradients of the perturbations. Applying the ...
A framework for fluctuating times and counting observables in stochastic excursions
Guilherme Fiusa, Pedro E. Harunari, Abhaya S. Hegde +1 more·Jun 5, 2025
Many natural systems exhibit dynamics characterized by alternating phases or recurring sets of states. Describing the fluctuations of such systems over stochastic trajectories is necessary across diverse fields, from biological motors to quantum ther...
TQml Simulator: optimized simulation of quantum machine learning
Viacheslav Kuzmin, Basil Kyriacou, Tatjana Protasevich +3 more·Jun 5, 2025
Hardware-efficient circuits employed in Quantum Machine Learning are typically composed of alternating layers of uniformly applied gates. High-speed numerical simulators for such circuits are crucial for advancing research in this field. In this work...
Tunable spin-phonon polarons in a chiral molecular qubit framework
Aimei Zhou, Ruihao Bi, Zhenghan Zhang +22 more·Jun 5, 2025
Chiral structures that produce asymmetric spin-phonon coupling can theoretically generate spin-phonon polarons -- quasiparticles exhibiting non-degenerate spin states with phonon displacements. These quasiparticles are speculated to be the origin of ...
Quantum Dialogue through Non-destructive Discrimination of Cluster State
Mandar Thatte, Shreya Banerjee, Prasanta K. Panigrahi·Jun 5, 2025
We propose an efficient, measurement-based quantum dialogue protocol through non-destructive discrimination (NDD) of cluster state. We use ancilla-based measurements that allow the state to be reused without destroying its entanglement. The initial s...