arXiv bot (quant-ph)
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New submissions in arXiv Category: Quantum Physics https://t.co/aQ1l2mZrJ0 Administrator: Krypf @Krypf36 @_Phusik
Joined August 2024
A Design for an Early Quantum Network.Yuan Li, Chen Zhang, Hao Zhang, Tao Huang, Yunjie Liu.
arxiv.org
With the rapid advancement of quantum information technology, quantum networks have become essential for supporting diverse applications, which often have stringent demands for key metrics such as...
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Taming coherent noise with teleportation.Kathleen Chang, Qile Su, Shruti Puri.
arxiv.org
Compared to the more widely studied Pauli errors, coherent errors present several new challenges in quantum computing and quantum error correction (QEC). For example, coherent errors may interfere...
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Fault-Tolerant Universal Quantum Computing in the Presence of Anisotropic Noise.Yang-Yang Xie, Zhao-Ming Wang, Lian-Ao Wu.
arxiv.org
We propose a universal gate set for quantum computing that operates in the presence of decoherence without requiring the overhead of quantum error correction. Inspired by recent advances in noise...
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Noisy Quantum Simulation Using Tracking, Uncomputation and Sampling.Siddharth Dangwal, Tina Oberoi, Ajay Sailopal, Dhirpal Shah, Frederic T. Chong.
arxiv.org
Quantum computers have grown in size and qubit quality in recent years, enabling the execution of complex quantum circuits. However, for most researchers, access to compute time on quantum...
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Exact Solutions of the Schrödinger-Dunkl Equation for a Free Particle in a Finite and Infinite Cylindrical Well.R. D. Mota, D. Ojeda-Guillén, M. Salazar-Ramírez.
arxiv.org
In this paper, we study the Schrödinger equation with Dunkl derivative for a free particle confined in a cylindrical potential well. We consider both the finite and infinite height cases. The...
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Quantum Graph States: Bridging Classical Theory and Quantum Innovation, Workshop Summary.Eric Chitambar, Kenneth Goodenough, Otfried Gühne, Rose McCarty, Simon Perdrix, Vito Scarola, Shuo Sun, Quntao Zhang.
arxiv.org
This workshop brought together experts in classical graph theory and quantum information science to explore the intersection of these fields, with a focus on quantum graph states and their...
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Hybrid oscillator-qudit quantum processors: stabilizer states and symplectic operations.Sayan Chakraborty, Victor V. Albert.
arxiv.org
We construct stabilizer states and error-correcting codes on combinations of discrete- and continuous-variable systems, generalizing the Gottesman-Kitaev-Preskill (GKP) quantum lattice formalism....
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Non-Hermitian Quantum Metrology Enhancement and Skin Effect Suppression in PT-Symmetric Bardeen-Cooper-Schrieffer Chains.Harshank Matkar.
arxiv.org
We outline a theoretical framework for quantum metrology in non-Hermitian systems, demonstrating both significant failure and exceptional regimes in PT-symmetric Bardeen-Cooper-Schrieffer chains....
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Dissipative Dynamics and Symmetry Breaking in Bosonic Sachdev-Ye-Kitaev Lindbladian.Yifei Liu, Anish Kulkarni, Shinsei Ryu.
arxiv.org
We investigate a bosonic variant of the Sachdev-Ye-Kitaev (SYK) model coupled to a Lindbladian environment, focusing on the interplay between quantum many-body dynamics and dissipation. Using the...
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Automorphism gadgets in homological product codes.Noah Berthusen, Michael J. Gullans, Yifan Hong, Maryam Mudassar, Shi Jie Samuel Tan.
arxiv.org
The homological product is a general-purpose recipe that forges new quantum codes from arbitrary classical or quantum input codes, often providing enhanced error-correcting properties. When the...
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Excising dead components in the surface code using minimally invasive alterations: A performance study.Ryan V. Mishmash et al.
arxiv.org
The physical implementation of a large-scale error-corrected quantum processor will necessarily need to mitigate the presence of defective (thereby "dead") physical components in its operation,...
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Absolutely maximally entangled pure states of multipartite quantum systems.Grzegorz Rajchel-Mieldzioć, Rafał Bistroń, Albert Rico, Arul Lakshminarayan, Karol Życzkowski.
arxiv.org
Absolutely maximally entangled (AME) pure states of a system composed of $N$ parties are distinguished by the property that for any splitting at least one partial trace is maximally mixed. Due to...
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Universal quantum phase classification on quantum computers from machine learning.Weicheng Ye, Shuwei Liu, Shiyu Zhou, Yijian Zou.
arxiv.org
The classification of quantum phases of matter remains a fundamental challenge in condensed matter physics. We present a novel framework that combines shadow tomography with modern time-series...
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Ergotopy transport in a one dimensional spin chain.Dara Murphy, Anthony Kiely, Irene D'Amico, Steve Campbell.
arxiv.org
We examine the transport of useful energy, i.e. extractable work as quantified by the ergotropy, along a spin chain with tuneable exchange couplings between the sites. We focus on, and interpolate...
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Power and Limitations of Linear Programming Decoder for Quantum LDPC Codes.Shouzhen Gu, Mehdi Soleimanifar.
arxiv.org
Decoding quantum error-correcting codes is a key challenge in enabling fault-tolerant quantum computation. In the classical setting, linear programming (LP) decoders offer provable performance...
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Comment on "Energy-speed relationship of quantum particles challenges Bohmian mechanics".Aurélien Drezet, Dustin Lazarovici, Bernard Michael Nabet.
arxiv.org
In their recent paper [Nature 643, 67 (2025)], Sharaglazova et al. report an optical microcavity experiment yielding an "energy-speed relationship" for quantum particles in evanescent states,...
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Causal Interventions Beyond Time: A CP-do(C)-Calculus for Indefinite Quantum Order.Jordi Vallverdu.
arxiv.org
We reformulate Pearl's three rules of do-calculus in the language of completely positive (CP) trace-preserving maps, thereby extending them to quantum systems with entanglement. We prove that...
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Graph theory-based automated quantum algorithm for efficient querying of acyclic and multiloop causal configurations.Salvador A. Ochoa-Oregon et al.
arxiv.org
Quantum algorithms provide a promising framework in high-energy physics, in particular, for unraveling the causal configurations of multiloop Feynman diagrams by identifying Feynman propagators...
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Maximum channel entropy principle and microcanonical channels.Philippe Faist, Sumeet Khatri.
arxiv.org
The thermal state plays a number of significant roles throughout physics, information theory, quantum computing, and machine learning. It arises from Jaynes' maximum-entropy principle as the...
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Thermalization with partial information.Philippe Faist, Sumeet Khatri.
arxiv.org
A many-body system, whether in contact with a large environment or evolving under complex dynamics, can typically be modeled as occupying the thermal state singled out by Jaynes' maximum entropy...
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