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fb017a8c79ffb0f6d5bd61245c16419e8ebce895333b3fe287642e19ef0454a8 | 2026-01-16T00:00:00-05:00 | Risk and Monotone Comparative Statics without Independence | arXiv:2601.10664v1 Announce Type: new Abstract: We extend well-known comparative results under expected utility to models of non-expected utility by providing novel conditions on local utility functions. We illustrate how our results parallel, and are distinct from, existing results for monotone comparative statics und... | https://arxiv.org/abs/2601.10664 | Academic Papers | svg |
b4e26355e380528768c3b446fa7db60cd67c1413af2229731781193dcfc884fb | 2026-01-16T00:00:00-05:00 | Motivating Effort with Information about Future Rewards | arXiv:2110.05643v4 Announce Type: replace Abstract: This paper studies the optimal mechanism to motivate effort in a dynamic principal-agent model without transfers. An agent is engaged in a task with uncertain future rewards and can quit at any time. The principal knows the reward and provides information over time to... | https://arxiv.org/abs/2110.05643 | Academic Papers | svg |
f32f62a782850dc22302eab7027a74893000df287f560e8bceed459600fe6571 | 2026-01-16T00:00:00-05:00 | Local-Polynomial Estimation for Multivariate Regression Discontinuity Designs | arXiv:2402.08941v3 Announce Type: replace Abstract: We study a multivariate regression discontinuity design in which treatment is assigned by crossing a boundary in the space of multiple running variables. We document that the existing bandwidth selector is suboptimal for a multivariate regression discontinuity design ... | https://arxiv.org/abs/2402.08941 | Academic Papers | svg |
09cbde97859d9926103199c6ba98f78630f3602e951b79016689790ec4767248 | 2026-01-16T00:00:00-05:00 | Difference-in-Differences with Time-varying Continuous Treatments using Double/Debiased Machine Learning | arXiv:2410.21105v2 Announce Type: replace Abstract: We propose a difference-in-differences (DiD) framework designed for time-varying continuous treatments across multiple periods. Specifically, we estimate the average treatment effect on the treated (ATET) by comparing distinct non-zero treatment intensities. Identific... | https://arxiv.org/abs/2410.21105 | Academic Papers | svg |
88e403537e42e11bef49e8f4fbd4f0b8532a3f9c38f6130f5cef2514c54d7daf | 2026-01-16T00:00:00-05:00 | The Identification Power of Combining Experimental and Observational Data for Distributional Treatment Effect Parameters | arXiv:2508.12206v4 Announce Type: replace Abstract: This study investigates the identification power gained by combining experimental data, in which treatment is randomized, with observational data, in which treatment is self-selected, for distributional treatment effect (DTE) parameters. While experimental data identi... | https://arxiv.org/abs/2508.12206 | Academic Papers | svg |
6b732ac069882f39b5e3b15ed0c9ab83bd108348ef25bfc0b5dd900d07bf0572 | 2026-01-16T00:00:00-05:00 | Warp speed price moves: Jumps after earnings announcements | arXiv:2601.08962v2 Announce Type: replace Abstract: Corporate earnings announcements unpack large bundles of public information that should, in efficient markets, trigger jumps in stock prices. Testing this implication is difficult in practice, as it requires noisy high-frequency data from after-hours markets, where mo... | https://arxiv.org/abs/2601.08962 | Academic Papers | svg |
63d7c4ea2174a1ecf9093d9cad0ce5dfd974f000d79f8cc8c6e3982c5a820e95 | 2026-01-16T00:00:00-05:00 | The drift burst hypothesis | arXiv:2601.08974v2 Announce Type: replace Abstract: The drift burst hypothesis postulates the existence of short-lived locally explosive trends in the price paths of financial assets. The recent U.S. equity and treasury flash crashes can be viewed as two high-profile manifestations of such dynamics, but we argue that d... | https://arxiv.org/abs/2601.08974 | Academic Papers | svg |
3f73d4fd7bfe1157af043d899890835300a9bc8964312a0c86e31c791e50aed0 | 2026-01-16T00:00:00-05:00 | Modified Delayed Acceptance MCMC for Quasi-Bayesian Inference with Linear Moment Conditions | arXiv:2511.17117v4 Announce Type: replace-cross Abstract: We develop a computationally efficient framework for quasi-Bayesian inference based on linear moment conditions. The approach employs a delayed acceptance Markov chain Monte Carlo (DA-MCMC) algorithm that uses a surrogate target kernel and a proposal distributio... | https://arxiv.org/abs/2511.17117 | Academic Papers | svg |
ef3e3591ca34879c765e9cee9b927d08dbd15ddd87b2147b79f78242141f3f2f | 2026-01-16T00:00:00-05:00 | Estimation of Parameters of the Truncated Normal Distribution with Unknown Bounds | arXiv:2601.09857v1 Announce Type: new Abstract: Estimators of parameters of truncated distributions, namely the truncated normal distribution, have been widely studied for a known truncation region. There is also literature for estimating the unknown bounds for known parent distributions. In this work, we develop a nov... | https://arxiv.org/abs/2601.09857 | Academic Papers | svg |
e8ffce080b23d0de966669b7a56c85c1164e305cf4ac4d5fe691500d99fce2ba | 2026-01-16T00:00:00-05:00 | High Dimensional Gaussian and Bootstrap Approximations in Generalized Linear Models | arXiv:2601.09925v1 Announce Type: new Abstract: Generalized Linear Models (GLMs) extend ordinary linear regression by linking the mean of the response variable to covariates through appropriate link functions. This paper investigates the asymptotic behavior of GLM estimators when the parameter dimension $d$ grows with ... | https://arxiv.org/abs/2601.09925 | Academic Papers | svg |
fe325e1afaad2ed08777f0be68345fcef926bb6ca36a06e32b1a21cc95a0c059 | 2026-01-16T00:00:00-05:00 | Tree Estimation and Saddlepoint-Based Diagnostics for the Nested Dirichlet Distribution: Application to Compositional Behavioral Data | arXiv:2601.09941v1 Announce Type: new Abstract: The Nested Dirichlet Distribution (NDD) provides a flexible alternative to the Dirichlet distribution for modeling compositional data, relaxing constraints on component variances and correlations through a hierarchical tree structure. While theoretically appealing, the ND... | https://arxiv.org/abs/2601.09941 | Academic Papers | svg |
dd26f36fe1cdb69c3041a1fcbaabd899ba0edfb9b841250d075cfd066b936d44 | 2026-01-16T00:00:00-05:00 | Derivations for the Cumulative Standardized Binomial EWMA (CSB-EWMA) Control Chart | arXiv:2601.09968v1 Announce Type: new Abstract: This paper presents the exact mathematical derivation of the mean and variance properties for the Exponentially Weighted Moving Average (EWMA) statistic applied to binomial proportion monitoring in Multiple Stream Processes (MSPs). We develop a Cumulative Standardized Bin... | https://arxiv.org/abs/2601.09968 | Academic Papers | svg |
816c34be8cefd43cc65f0e603e84a7dff7e4ebe5b1ed6d584911a892504e6260 | 2026-01-16T00:00:00-05:00 | Estimating the effect of lymphovascular invasion on 2-year survival probability under endogeneity: a recursive copula-based approach | arXiv:2601.09984v1 Announce Type: new Abstract: Lymphovascular invasion (LVI) is an important prognostic marker for head and neck squamous cell carcinoma (HNSC), but the true effect of LVI on survival may be distorted by endogeneity arising from unmeasured confounding. Conventional one-stage conditional models and inst... | https://arxiv.org/abs/2601.09984 | Academic Papers | svg |
792cb7484729624df13f7f34d55efb6ba4e553eeb5f6ad61c5d7a738cb9f9c7d | 2026-01-16T00:00:00-05:00 | The Knowable Future: Mapping the Decay of Past-Future Mutual Information Across Forecast Horizons | arXiv:2601.10006v1 Announce Type: new Abstract: The ability to assess ex-ante whether a time series is likely to be accurately forecast is important for forecasting practice because it informs the degree of modelling effort warranted. We define forecastability as a property of a time series (given a declared informatio... | https://arxiv.org/abs/2601.10006 | Academic Papers | svg |
ec72287dd45a8c9333c72badd4846d270fa94e0bb3a4d1863292ffe26ee19757 | 2026-01-16T00:00:00-05:00 | Weighted least squares estimation by multivariate-dependent weights for linear regression models | arXiv:2601.10049v1 Announce Type: new Abstract: Multivariate linear regression models often face the problem of heteroscedasticity caused by multiple explanatory variables. The weighted least squares estimation with univariate-dependent weights has limitations in constructing weight functions. Therefore, this paper pro... | https://arxiv.org/abs/2601.10049 | Academic Papers | svg |
60ecdf8eb026438710df6701e74bcdb9dace6016cf2461f7cf8a664cdd44dffa | 2026-01-16T00:00:00-05:00 | Asymptotic Theory of Tail Dependence Measures for Checkerboard Copula and the Validity of Multiplier Bootstrap | arXiv:2601.10252v1 Announce Type: new Abstract: Nonparametric estimation and inference for lower and upper tail copulas under unknown marginal distributions are considered. To mitigate the inherent discreteness and boundary irregularities of the empirical tail copula, a checkerboard smoothed tail copula estimator based... | https://arxiv.org/abs/2601.10252 | Academic Papers | svg |
ec90d0d34825a3c40e9f439e4754628fd3f86048c2fe3f44e6877dfa75693aef | 2026-01-16T00:00:00-05:00 | Modeling mental health trajectories during the COVID-19 pandemic using UK-wide data in the presence of sociodemographic variables | arXiv:2601.10445v1 Announce Type: new Abstract: Background: The negative effects of the COVID-19 pandemic on the mental health and well-being of populations are an important public health issue. Our study aims to determine the underlying factors shaping mental health trajectories during the COVID-19 pandemic in the UK.... | https://arxiv.org/abs/2601.10445 | Academic Papers | svg |
2f3da7fd502f7d736618f491e4821ff5633eb4275975772b6c08b39e47ba36d7 | 2026-01-16T00:00:00-05:00 | MitoFREQ: A Novel Approach for Mitogenome Frequency Estimation from Top-level Haplogroups and Single Nucleotide Variants | arXiv:2601.10464v1 Announce Type: new Abstract: Lineage marker population frequencies can serve as one way to express evidential value in forensic genetics. However, for high-quality whole mitochondrial DNA genome sequences (mitogenomes), population data remain limited. In this paper, we offer a new method, MitoFREQ, f... | https://arxiv.org/abs/2601.10464 | Academic Papers | svg |
6074982a6666df9fe8dd985c0d0d5831f61f8801bda965802a6d5a888988bae1 | 2026-01-16T00:00:00-05:00 | Mesh Denoising | arXiv:2601.10487v1 Announce Type: new Abstract: In this paper, we study four mesh denoising methods: linear filtering, a heat diffusion method, Sobolev regularization, and, to a lesser extent, a barycentric approach based on the Sinkhorn algorithm. We illustrate that, for a simple image denoising task, a naive choice o... | https://arxiv.org/abs/2601.10487 | Academic Papers | svg |
c01fe0b6057ddbb80679de4b43b9223b6205332408c87b3b44044bce872becdf | 2026-01-16T00:00:00-05:00 | A Propagation Framework for Network Regression | arXiv:2601.10533v1 Announce Type: new Abstract: We introduce a unified and computationally efficient framework for regression on network data, addressing limitations of existing models that require specialized estimation procedures or impose restrictive decay assumptions. Our Network Propagation Regression (NPR) models... | https://arxiv.org/abs/2601.10533 | Academic Papers | svg |
a5a0378faec7e302b4c1618caa19986f5e79ab584511d3b86b43169fec69bbf1 | 2026-01-16T00:00:00-05:00 | From aggressive to conservative early stopping in Bayesian group sequential designs | arXiv:2601.10590v1 Announce Type: new Abstract: Group sequential designs (GSDs) are widely used in confirmatory trials to allow interim monitoring while preserving control of the type I error rate. In the frequentist framework, O'Brien-Fleming-type stopping boundaries dominate practice because they impose highly conser... | https://arxiv.org/abs/2601.10590 | Academic Papers | svg |
524cd8aa6f7fe2a4c80917858adc51e42e2189f61c96abb6e665e3330e778229 | 2026-01-16T00:00:00-05:00 | A Bayesian Discrete Framework for Enhancing Decision-Making Processes in Clinical Trial Designs and Evaluations | arXiv:2601.10615v1 Announce Type: new Abstract: This study examines the application of Bayesian approach in the context of clinical trials, emphasizing their increasing importance in contemporary biomedical research. While conventional frequentist approach provides a foundational basis for analysis, it often lacks the ... | https://arxiv.org/abs/2601.10615 | Academic Papers | svg |
2d6d768c6f7d028e705d0e29b22b1f85da84461b44025615eeb3390a1118ff84 | 2026-01-16T00:00:00-05:00 | Fair Regression under Demographic Parity: A Unified Framework | arXiv:2601.10623v1 Announce Type: new Abstract: We propose a unified framework for fair regression tasks formulated as risk minimization problems subject to a demographic parity constraint. Unlike many existing approaches that are limited to specific loss functions or rely on challenging non-convex optimization, our fr... | https://arxiv.org/abs/2601.10623 | Academic Papers | svg |
54ab5d6a3e2959b6a9dfe21e89a2c3feb25ac97f097f61d26bd68aea0624ca4c | 2026-01-16T00:00:00-05:00 | Robust Bayesian Inference for Measurement Error Misspecification: The Berkson and Classical Cases | arXiv:2306.01468v3 Announce Type: replace Abstract: Measurement error occurs when a covariate influencing a response variable is corrupted by noise. This can lead to misleading inference outcomes, particularly in problems where accurately estimating the relationship between covariates and response variables is crucial,... | https://arxiv.org/abs/2306.01468 | Academic Papers | svg |
5c53e98f3496591699b42a95f83f0846b6730be02650b4d8a2ed0c1462019b68 | 2026-01-16T00:00:00-05:00 | Collective Outlier Detection and Enumeration with Conformalized Closed Testing | arXiv:2308.05534v3 Announce Type: replace Abstract: This paper develops a flexible distribution-free method for collective outlier detection and enumeration, designed for situations in which the presence of outliers can be detected powerfully even though their precise identification may be challenging due to the sparsi... | https://arxiv.org/abs/2308.05534 | Academic Papers | svg |
05ee9a4e8ef6509bf00264d21280a6a55e7398b13d0d76561f10c45cab27473f | 2026-01-16T00:00:00-05:00 | Composite likelihood inference for the Poisson log-normal model | arXiv:2402.14390v3 Announce Type: replace Abstract: The Poisson log-normal model is a latent variable model that provides a generic framework for the analysis of multivariate count data. Inferring its parameters can be a daunting task since the conditional distribution of the latent variables given the observed ones is... | https://arxiv.org/abs/2402.14390 | Academic Papers | svg |
7123a53258c8b8bedad41f8bdc76ddf38a27c1881dd2a2336e4f4645c8a589b2 | 2026-01-16T00:00:00-05:00 | Flexible modeling of nonnegative continuous data: Box-Cox symmetric regression and its zero-adjusted extension | arXiv:2601.08600v2 Announce Type: replace Abstract: The Box-Cox symmetric distributions constitute a broad class of probability models for positive continuous data, offering flexibility in modeling skewness and tail behavior. Their parameterization allows a straightforward quantile-based interpretation, which is partic... | https://arxiv.org/abs/2601.08600 | Academic Papers | svg |
0b2ea41982e337f539d82fab2e80461e7d60277b1b3f9495ea1ed89e79dc38b6 | 2026-01-16T00:00:00-05:00 | Fractional Revival Dynamics in Kerr-Type Systems: Angular Momentum Moments and Classical Analogs | arXiv:2601.09763v1 Announce Type: new Abstract: Wave packet revivals and fractional revivals are hallmark quantum interference phenomena that arise in systems with nonlinear energy spectra, and their signatures in expectation values of observables have been studied extensively in earlier work. In this article, we build... | https://arxiv.org/abs/2601.09763 | Academic Papers | svg |
e08a91c406d11548eecc183a90c3c9dc1c0d07cddd87ddee4a03ac38ce2e7b8d | 2026-01-16T00:00:00-05:00 | Three questions on the future of quantum science and technology | arXiv:2601.09769v1 Announce Type: new Abstract: The answers on the current status and future development of Quantum Science and Technology are presented. | https://arxiv.org/abs/2601.09769 | Academic Papers | svg |
8287dc80b90c66f7889aca3a0a9992c731073f827118a1731ff051a2416148e0 | 2026-01-16T00:00:00-05:00 | Hierarchical time crystals | arXiv:2601.09779v1 Announce Type: new Abstract: Spontaneous symmetry breaking is one of the central organizing principles in physics. Time crystals have emerged as an exotic phase of matter, spontaneously breaking the time translational symmetry, and are mainly categorized as discrete or continuous. While these distinc... | https://arxiv.org/abs/2601.09779 | Academic Papers | svg |
ec7b97ab65931754ad165ffc473d9ca1fbd9d9787df9814b89050eaf86f4c5d7 | 2026-01-16T00:00:00-05:00 | Background cancellation for frequency-selective quantum sensing | arXiv:2601.09792v1 Announce Type: new Abstract: A key challenge in quantum sensing is the detection of weak time dependent signals, particularly those that arise as specific frequency perturbations over a background field. Conventional methods usually demand complex dynamical control of the quantum sensor and heavy cla... | https://arxiv.org/abs/2601.09792 | Academic Papers | svg |
0367da7dffdd54e015b81470062b240edacaa1c14b9e70e8a0e5dfd786ba1fc6 | 2026-01-16T00:00:00-05:00 | Fragmented Topological Excitations in Generalized Hypergraph Product Codes | arXiv:2601.09850v1 Announce Type: new Abstract: Product code construction is a powerful tool for constructing quantum stabilizer codes, which serve as a promising paradigm for realizing fault-tolerant quantum computation. Furthermore, the natural mapping between stabilizer codes and the ground states of exactly solvabl... | https://arxiv.org/abs/2601.09850 | Academic Papers | svg |
b25936924fb3f764f8b7b9b425f361cfa2e662946ae3bbc681a8fddf11f47e6e | 2026-01-16T00:00:00-05:00 | Time-Dynamic Circuits for Fault-Tolerant Shift Automorphisms in Quantum LDPC Codes | arXiv:2601.09911v1 Announce Type: new Abstract: Quantum low-density parity-check (qLDPC) codes have emerged as a promising approach for realizing low-overhead logical quantum memories. Recent theoretical developments have established shift automorphisms as a fundamental building block for completing the universal set o... | https://arxiv.org/abs/2601.09911 | Academic Papers | svg |
f3f47ef776fa710b830b0751b9a3c3e35a72ce8d334db685b96d393721115aeb | 2026-01-16T00:00:00-05:00 | Beyond Optimization: Harnessing Quantum Annealer Dynamics for Machine Learning | arXiv:2601.09938v1 Announce Type: new Abstract: Quantum annealing is typically regarded as a tool for combinatorial optimization, but its coherent dynamics also offer potential for machine learning. We present a model that encodes classical data into an Ising Hamiltonian, evolves it on a quantum annealer, and uses the ... | https://arxiv.org/abs/2601.09938 | Academic Papers | svg |
4abfeeff2722132d326159f27e98fa7c6ef4c3cf7d9ded53ed8fce14e738a056 | 2026-01-16T00:00:00-05:00 | Three Months in the Life of Cloud Quantum Computing | arXiv:2601.09943v1 Announce Type: new Abstract: Quantum Computing (QC) has evolved from a few custom quantum computers, which were only accessible to their creators, to an array of commercial quantum computers that can be accessed on the cloud by anyone. Accessing these cloud quantum computers requires a complex chain ... | https://arxiv.org/abs/2601.09943 | Academic Papers | svg |
e436df5a3cdbb7c6e3d231493fa987b34fe94669cc5afa89ca39778a9037f8a7 | 2026-01-16T00:00:00-05:00 | Parallelizing the Variational Quantum Eigensolver: From JIT Compilation to Multi-GPU Scaling | arXiv:2601.09951v1 Announce Type: new Abstract: The Variational Quantum Eigensolver (VQE) is a hybrid quantum-classical algorithm for computing ground state energies of molecular systems. We implement VQE to calculate the potential energy surface of the hydrogen molecule (H$_2$) across 100 bond lengths using the PennyL... | https://arxiv.org/abs/2601.09951 | Academic Papers | svg |
f289d270ed6bbe2ab45330a86f3e7ea4b5258483998de60384e54671988585d5 | 2026-01-16T00:00:00-05:00 | Double Markovity for quantum systems | arXiv:2601.09995v1 Announce Type: new Abstract: The subadditivity-doubling-rotation (SDR) technique is a powerful route to Gaussian optimality in classical information theory and relies on strict subadditivity and its equality-case analysis, where double Markovity is a standard tool. We establish quantum analogues of d... | https://arxiv.org/abs/2601.09995 | Academic Papers | svg |
e4d967a3f723cbae33cb679238bdd9a0bac2e934f753ac6a9ba76beef9bf11b5 | 2026-01-16T00:00:00-05:00 | Reentrant topological phases and entanglement scalings in moir\'e-modulated extended Su-Schrieffer-Heeger Model | arXiv:2601.09997v1 Announce Type: new Abstract: Recent studies of moir\'e physics have unveiled a wealth of opportunities for significantly advancing the field of quantum phase transitions. However, properties of reentrant phase transitions driven by moir\'e strength are poorly understood. Here, we investigate the reen... | https://arxiv.org/abs/2601.09997 | Academic Papers | svg |
170f9a4c34f5bd919eb5b85d9d68cdbce975b0792653f8e7c80df480a2299bc7 | 2026-01-16T00:00:00-05:00 | Contextuality Derived from Minimal Decision Dynamics: Quantum Tug-of-War Decision Making | arXiv:2601.10034v1 Announce Type: new Abstract: Decision making often exhibits context dependence that challenges classical probability theory. While quantum cognition has successfully modeled such phenomena, it remains unclear whether quantum probability is merely a convenient assumption or a necessary consequence of ... | https://arxiv.org/abs/2601.10034 | Academic Papers | svg |
5bcf714b1fa41ad32b6957df26507345d9c57e8eaa2ed55b1d7bbef2876625d2 | 2026-01-16T00:00:00-05:00 | Towards Minimal Fault-tolerant Error-Correction Sequence with Quantum Hamming Codes | arXiv:2601.10042v1 Announce Type: new Abstract: The high overhead of fault-tolerant measurement sequences (FTMSs) poses a major challenge for implementing quantum stabilizer codes. Here, we address this problem by constructing efficient FTMSs for the class of quantum Hamming codes $[\![2^r-1, 2^r-1-2r, 3]\!]$ with $r=3... | https://arxiv.org/abs/2601.10042 | Academic Papers | svg |
4200166a16d956f830021e5cc9774ee6a119b767bf5a7d03a975948a56ef3600 | 2026-01-16T00:00:00-05:00 | Optimal qudit overlapping tomography and optimal measurement order | arXiv:2601.10059v1 Announce Type: new Abstract: Quantum state tomography is essential for characterizing quantum systems, but it becomes infeasible for large systems due to exponential resource scaling. Overlapping tomography addresses this challenge by reconstructing all $k$-body marginals using few measurement settin... | https://arxiv.org/abs/2601.10059 | Academic Papers | svg |
8279e79ce3e8af7561c498e478f47ab2217c64f5b2f7ed97ded5f9db1ca7ff27 | 2026-01-16T00:00:00-05:00 | Pseudomode approach to Fano effect in dissipative cavity quantum electrodynamics | arXiv:2601.10087v1 Announce Type: new Abstract: We study the Fano effect in dissipative cavity quantum electrodynamics, which originates from the interference between the emitter's direct radiation and that mediated by a cavity mode. Starting from a two-level system coupled to a structured reservoir, we show that a qua... | https://arxiv.org/abs/2601.10087 | Academic Papers | svg |
c2dee7db77ec05b54b6f07c66b7f715b640a6fbf6eb86294a6a2b6eae38dce6e | 2026-01-16T00:00:00-05:00 | Classical simulation of a quantum circuit with noisy magic inputs | arXiv:2601.10111v1 Announce Type: new Abstract: Magic states are essential for universal quantum computation and are widely viewed as a key source of quantum advantage, yet in realistic devices they are inevitably noisy. In this work, we characterize how noise on injected magic resources changes the classical simulabil... | https://arxiv.org/abs/2601.10111 | Academic Papers | svg |
a6612c4f23baf5bb43f8527046efd807dbaa42707e028099a0cee96d55eea7ee | 2026-01-16T00:00:00-05:00 | Bridging Superconducting and Neutral-Atom Platforms for Efficient Fault-Tolerant Quantum Architectures | arXiv:2601.10144v1 Announce Type: new Abstract: The transition to the fault-tolerant era exposes the limitations of homogeneous quantum systems, where no single qubit modality simultaneously offers optimal operation speed, connectivity, and scalability. In this work, we propose a strategic approach to Heterogeneous Qua... | https://arxiv.org/abs/2601.10144 | Academic Papers | svg |
2ced8d7abba0c3180f3135a114c9796329eb89699f7fe54359e40a3dc2fa6e25 | 2026-01-16T00:00:00-05:00 | Fluctuation-induced quenching of chaos in quantum optics | arXiv:2601.10147v1 Announce Type: new Abstract: Recent studies have extensively explored chaotic dynamics in quantum optical systems through the mean-field approximation, which corresponds to an ideal, fluctuation-free scenario. However, the inherent sensitivity of chaos to initial conditions implies that even minute f... | https://arxiv.org/abs/2601.10147 | Academic Papers | svg |
b4d3ade1042f8ab8e7fd13a47078f32911afb5a92842ef285e805b4f0396edb1 | 2026-01-16T00:00:00-05:00 | Exponential Analysis for Entanglement Distillation | arXiv:2601.10190v1 Announce Type: new Abstract: Historically, the focus in entanglement distillation has predominantly been on the distillable entanglement, and the framework assumes complete knowledge of the initial state. In this paper, we study the reliability function of entanglement distillation, which specifies t... | https://arxiv.org/abs/2601.10190 | Academic Papers | svg |
6b61b302e0c4978d8c942934ee4e0a97a31d87bd7a594dd2bba525e08a618752 | 2026-01-16T00:00:00-05:00 | On the average-case complexity of learning states from the circular and Gaussian ensembles | arXiv:2601.10197v1 Announce Type: new Abstract: Studying the complexity of states sampled from various ensembles is a central component of quantum information theory. In this work we establish the average-case hardness of learning, in the statistical query model, the Born distributions of states sampled uniformly from ... | https://arxiv.org/abs/2601.10197 | Academic Papers | svg |
da59301c7aa38d5ce5cf66724cde269b245ef5c3cbf20100b0fcaaee5284c2d5 | 2026-01-16T00:00:00-05:00 | Topology-Aware Block Coordinate Descent for Qubit Frequency Calibration of Superconducting Quantum Processors | arXiv:2601.10203v1 Announce Type: new Abstract: Pre-execution calibration is a major bottleneck for operating superconducting quantum processors, and qubit frequency allocation is especially challenging due to crosstalk-coupled objectives. We establish that the widely-used Snake optimizer is mathematically equivalent t... | https://arxiv.org/abs/2601.10203 | Academic Papers | svg |
e4846f3ee15c645a3dbb5d3a6ba1ce2a38471408e58b97e9f4cf1f5dbf99d51f | 2026-01-16T00:00:00-05:00 | Noise-Resilient Quantum Evolution in Open Systems through Error-Correcting Frameworks | arXiv:2601.10206v1 Announce Type: new Abstract: We analyze quantum state preservation in open quantum systems using quantum error-correcting (QEC) codes that are explicitly embedded into microscopic system-bath models. Instead of abstract quantum channels, we consider multi-qubit registers coupled to bosonic thermal en... | https://arxiv.org/abs/2601.10206 | Academic Papers | svg |
c1763cee382f9dfa9303d74265d2ecdd6577f2cb7702d970fb5976f5816c0b9c | 2026-01-16T00:00:00-05:00 | Coherence Limits in Interference-Based cos(2$\varphi$) Qubits | arXiv:2601.10209v1 Announce Type: new Abstract: We investigate the coherence properties of parity-protected $\cos(2\varphi)$ qubits based on interferences between two Josephson elements in a superconducting loop. We show that qubit implementations of a $\cos(2\varphi)$ potential using a single loop, such as those emplo... | https://arxiv.org/abs/2601.10209 | Academic Papers | svg |
569cab2a2643ede162d6b9b4d1756b14ca21a90a15ce1069cd0a19f37479e6a5 | 2026-01-16T00:00:00-05:00 | Quantitative approach for the Dicke-Ising chain with an effective self-consistent matter Hamiltonian | arXiv:2601.10210v1 Announce Type: new Abstract: In the thermodynamic limit, the Dicke-Ising chain maps exactly onto an effective self-consistent matter Hamiltonian with the photon field acting solely as a self-consistent effective field. As a consequence, no quantum correlations between photons and spins are needed to ... | https://arxiv.org/abs/2601.10210 | Academic Papers | svg |
09573470dc9d048f86b686d80c5a39f8296dfd1a2ccf10c0069a41e88b4e3685 | 2026-01-16T00:00:00-05:00 | Optimal control of a dissipative micromaser quantum battery in the ultrastrong coupling regime | arXiv:2601.10281v1 Announce Type: new Abstract: We investigate the open system dynamics of a micromaser quantum battery operating in the ultrastrong coupling (USC) regime under environmental dissipation. The battery consists of a single-mode electromagnetic cavity sequentially interacting, via the Rabi Hamiltonian, wit... | https://arxiv.org/abs/2601.10281 | Academic Papers | svg |
5e2c1575f466c663deb145d52889f3b64afcdc093a6debafa6cd06c6b312aaa0 | 2026-01-16T00:00:00-05:00 | Exponential improvement in benchmarking multiphoton interference | arXiv:2601.10289v1 Announce Type: new Abstract: Several photonic quantum technologies rely on the ability to generate multiple indistinguishable photons. Benchmarking the level of indistinguishability of these photons is essential for scalability. The Hong-Ou-Mandel dip provides a benchmark for the indistinguishability... | https://arxiv.org/abs/2601.10289 | Academic Papers | svg |
e94b30cc6727988c812073dabffa1411f743d1ca8a8bcc2a387890705858a541 | 2026-01-16T00:00:00-05:00 | Complex scalar relativistic field as a probability amplitude | arXiv:2601.10302v1 Announce Type: new Abstract: A relativistic equation for a neutral complex field as a probability amplitude is proposed. The continuity equation for the probability density is obtained. It is shown that there are two types of excitations of this field, which describe particles with positive energy an... | https://arxiv.org/abs/2601.10302 | Academic Papers | svg |
42e5a999b09c52e2766c44f463b5a084b0bfbf7a7d4dee9a0f505621359e3a14 | 2026-01-16T00:00:00-05:00 | Addition to the dynamic Stark shift of the coherent population trapping resonance | arXiv:2601.10319v1 Announce Type: new Abstract: This paper presents a theoretical study of the light-induced shift of the coherent population trapping resonance. An analytical model is proposed that describes the interaction of two radiation components with an atomic system using a ${\Lambda}$ scheme and takes into acc... | https://arxiv.org/abs/2601.10319 | Academic Papers | svg |
c57268c57de2e3c30e44ae62780a623ddde190ca07c795ea09a5ddd1927a4718 | 2026-01-16T00:00:00-05:00 | Principles of Optics in the Fock Space: Scalable Manipulation of Giant Quantum States | arXiv:2601.10325v1 Announce Type: new Abstract: The manipulation of distinct degrees of freedom of photons plays a critical role in both classical and quantum information processing. While the principles of wave optics provide elegant and scalable control over classical light in spatial and temporal domains, engineerin... | https://arxiv.org/abs/2601.10325 | Academic Papers | svg |
0d4ce0b3f4b48d5f1d1a28cf9dfaf3fc078839870a8c7393674b18a91c6bf1c8 | 2026-01-16T00:00:00-05:00 | Realistic prospects for testing a relativistic local quantum measurement inequality | arXiv:2601.10354v1 Announce Type: new Abstract: We investigate the experimental prospects for testing a relativistic local quantum measurement inequality that quantifies the trade-off between vacuum insensitivity and responsiveness to excitations for finite-size detectors. Building on the Reeh--Schlieder approximation ... | https://arxiv.org/abs/2601.10354 | Academic Papers | svg |
70b29bb0e3553b500d6dd437270e1132cb71c58d004175a216d824cabe59bccb | 2026-01-16T00:00:00-05:00 | Learning Hamiltonians in the Heisenberg limit with static single-qubit fields | arXiv:2601.10380v1 Announce Type: new Abstract: Learning the Hamiltonian governing a quantum system is a central task in quantum metrology, sensing, and device characterization. Existing Heisenberg-limited Hamiltonian learning protocols either require multi-qubit operations that are prone to noise, or single-qubit oper... | https://arxiv.org/abs/2601.10380 | Academic Papers | svg |
2de6e524e0ea69a5ee4a3f88da28e6fac85490f967e77ef7c1a8b67ec73ff289 | 2026-01-16T00:00:00-05:00 | Experimental Realization of Rabi-Driven Reset for Fast Cooling of a High-Q Cavity | arXiv:2601.10385v1 Announce Type: new Abstract: High-Q bosonic memories are central to hardware-efficient quantum error correction, but their isolation makes fast, high-fidelity reset a persistent bottleneck. Existing approaches either rely on weak intermode cross-Kerr conversion or on measurement-based sequences with ... | https://arxiv.org/abs/2601.10385 | Academic Papers | svg |
315622fb703628119b6c2ac98b267ad30428a0cffc533725ee6fa79aff18c183 | 2026-01-16T00:00:00-05:00 | A Collection of Pinsker-type Inequalities for Quantum Divergences | arXiv:2601.10395v1 Announce Type: new Abstract: Pinsker's inequality sets a lower bound on the Umegaki divergence of two quantum states in terms of their trace distance. In this work, we formulate corresponding estimates for a variety of quantum and classical divergences including $f$-divergences like Hellinger and $\c... | https://arxiv.org/abs/2601.10395 | Academic Papers | svg |
256b9c5e4935bb3611dbfe2d6d50f4da7bb27aad5e79352469ba5fcb2057a397 | 2026-01-16T00:00:00-05:00 | Bounding many-body properties under partial information and finite measurement statistics | arXiv:2601.10408v1 Announce Type: new Abstract: Calculating bounds of properties of many-body quantum systems is of paramount importance, since they guide our understanding of emergent quantum phenomena and complement the insights obtained from estimation methods. Recent semidefinite programming approaches enable proba... | https://arxiv.org/abs/2601.10408 | Academic Papers | svg |
97580a3f777255245c86d461f4cc4cb68e9f3b9d098c5ba6b0c9e5efd8a01e58 | 2026-01-16T00:00:00-05:00 | Tight bounds on recurrence time in closed quantum systems | arXiv:2601.10409v1 Announce Type: new Abstract: The evolution of an isolated quantum system inevitably exhibits recurrence: the state returns to the vicinity of its initial condition after finite time. Despite its fundamental nature, a rigorous quantitative understanding of recurrence has been lacking. We establish upp... | https://arxiv.org/abs/2601.10409 | Academic Papers | svg |
e100328af7b9eb3c27b9ff2a382aad04a20c245512c7569cdd2eb35d5b79ffc8 | 2026-01-16T00:00:00-05:00 | Unifying Quantum and Classical Dynamics | arXiv:2601.10423v1 Announce Type: new Abstract: Classical and quantum physics represent two distinct theories; however, quantum physics is regarded as the more fundamental of the two. It is posited that classical mechanics should arise from quantum mechanics under certain limiting conditions. Nevertheless, this remains... | https://arxiv.org/abs/2601.10423 | Academic Papers | svg |
562a3336c34ec0d26898217b46a69b58373b5cf83c44dae257a74f0a177cb962 | 2026-01-16T00:00:00-05:00 | Reduction of thermodynamic uncertainty by a virtual qubit | arXiv:2601.10429v1 Announce Type: new Abstract: The thermodynamic uncertainty relation (TUR) imposes a fundamental constraint between current fluctuations and entropy production, providing a refined formulation of the second law for micro- and nanoscale systems. Quantum violations of the classical TUR reveal genuinely ... | https://arxiv.org/abs/2601.10429 | Academic Papers | svg |
e01316f43b65d9bb0f779977cef9809af15e448adf3cfac32dab6e701f994001 | 2026-01-16T00:00:00-05:00 | The SpinPulse library for transpilation and noise-accurate simulation of spin qubit quantum computers | arXiv:2601.10435v1 Announce Type: new Abstract: We introduce SpinPulse, an open-source python package for simulating spin qubit-based quantum computers at the pulse-level. SpinPulse models the specific physics of spin qubits, particularly through the inclusion of classical non-Markovian noise. This enables realistic si... | https://arxiv.org/abs/2601.10435 | Academic Papers | svg |
b3deee7f3c1209fc989404a8a92ab89f3876e68da71d3387cd2eb4587e9fbc8f | 2026-01-16T00:00:00-05:00 | Minimal-Energy Optimal Control of Tunable Two-Qubit Gates in Superconducting Platforms Using Continuous Dynamical Decoupling | arXiv:2601.10446v1 Announce Type: new Abstract: We present a unified scheme for generating high-fidelity entangling gates in superconducting platforms by continuous dynamical decoupling (CDD) combined with variational minimal-energy optimal control. During the CDD stage, we suppress residual couplings, calibration drif... | https://arxiv.org/abs/2601.10446 | Academic Papers | svg |
2f9404d82a06a768faca383c6c1095218a21353584f84b1bf54e39e667c43f09 | 2026-01-16T00:00:00-05:00 | Localization Landscape in Non-Hermitian and Floquet quantum systems | arXiv:2601.10451v1 Announce Type: new Abstract: We propose a generalization of the Filoche--Mayboroda localization landscape that extends the theory well beyond the static, elliptic and Hermitian settings while preserving its geometric interpretability. Using the positive operator $H^\dagger H$, we obtain a landscape t... | https://arxiv.org/abs/2601.10451 | Academic Papers | svg |
c0d5155279a8a7aacbe0b4c7b72779f6f0ff002902a2f2f00be8f2caba5baebb | 2026-01-16T00:00:00-05:00 | Erasure conversion for singlet-triplet spin qubits enables high-performance shuttling-based quantum error correction | arXiv:2601.10461v1 Announce Type: new Abstract: Fast and high fidelity shuttling of spin qubits has been demonstrated in semiconductor quantum dot devices. Several architectures based on shuttling have been proposed; it has been suggested that singlet-triplet (dual-spin) qubits could be optimal for the highest shuttlin... | https://arxiv.org/abs/2601.10461 | Academic Papers | svg |
832b054cd1a0f49b85146b85fda155a26572392834301eb0efff0d27bb1659cb | 2026-01-16T00:00:00-05:00 | Nonlinear quantum Kibble-Zurek ramps in open systems at finite temperature | arXiv:2601.10465v1 Announce Type: new Abstract: We analyze quantum systems under a broad class of protocols in which the temperature and a Hamiltonian control parameter are ramped simultaneously and, in general, in a nonlinear fashion toward a quantum critical point. Using an open-system version of a Kitaev quantum wir... | https://arxiv.org/abs/2601.10465 | Academic Papers | svg |
12018ae02c6422bdf3325195ccaebac7d570abf1b1ff7376a004db0f04ee0843 | 2026-01-16T00:00:00-05:00 | Analysis and Experimental Demonstration of Amplitude Amplification for Combinatorial Optimization | arXiv:2601.10473v1 Announce Type: new Abstract: Quantum Amplitude Amplification (QAA), the generalization of Grover's algorithm, is capable of yielding optimal solutions to combinatorial optimization problems with high probabilities. In this work we extend the conventional 2-dimensional representation of Grover's (orth... | https://arxiv.org/abs/2601.10473 | Academic Papers | svg |
45d21956688f82815521b5f17d523d7996ee38f3eba9701834ca69fb0eb97e7b | 2026-01-16T00:00:00-05:00 | Optimized readout strategies for neutral atom quantum processors | arXiv:2601.10492v1 Announce Type: new Abstract: Neutral atom quantum processors have emerged as a promising platform for scalable quantum information processing, offering high-fidelity operations and exceptional qubit scalability. A key challenge in realizing practical applications is efficiently extracting readout out... | https://arxiv.org/abs/2601.10492 | Academic Papers | svg |
a60df1d23dea6ec8e7b0c466cddd6e12df3adfd40cb5f963dc62de4b1afc4e43 | 2026-01-16T00:00:00-05:00 | Deterministic and scalable generation of large Fock states | arXiv:2601.10559v1 Announce Type: new Abstract: The scalable and deterministic preparation of large Fock-number states represents a long-standing frontier in quantum science, with direct implications for quantum metrology, communication, and simulation. Despite significant progress in small-scale implementations, exten... | https://arxiv.org/abs/2601.10559 | Academic Papers | svg |
7a215b0567eb0d084f7f309f8f28e6237cdbe95f3b615acbd119f3dbde8d3c3b | 2026-01-16T00:00:00-05:00 | Quantum solver for single-impurity Anderson models with particle-hole symmetry | arXiv:2601.10594v1 Announce Type: new Abstract: Quantum embedding methods, such as dynamical mean-field theory (DMFT), provide a powerful framework for investigating strongly correlated materials. A central computational bottleneck in DMFT is in solving the Anderson impurity model (AIM), whose exact solution is classic... | https://arxiv.org/abs/2601.10594 | Academic Papers | svg |
a01c1a3bec23a6524e5126f6619f103caa47e1224e3d074b4056087d3369cacc | 2026-01-16T00:00:00-05:00 | Quantifying the properties of evolutionary quantum states of the XXZ spin model using quantum computing | arXiv:2601.10650v1 Announce Type: new Abstract: The entanglement distance of evolutionary quantum states of a two-spin system with the XXZ model has been studied. The analysis has been conducted both analytically and using quantum computing. An analytical dependence of the entanglement distance on the values of the mod... | https://arxiv.org/abs/2601.10650 | Academic Papers | svg |
598c9fc26d0bf511789d21e73373c162b27e55a5430a22a7241a12f5bb3e7d6e | 2026-01-16T00:00:00-05:00 | Symmetry-based Perspectives on Hamiltonian Quantum Search Algorithms and Schrodinger's Dynamics between Orthogonal States | arXiv:2601.10655v1 Announce Type: new Abstract: It is known that the continuous-time variant of Grover's search algorithm is characterized by quantum search frameworks that are governed by stationary Hamiltonians, which result in search trajectories confined to the two-dimensional subspace of the complete Hilbert space... | https://arxiv.org/abs/2601.10655 | Academic Papers | svg |
898e20331b3d67e6b599578500c5ac9291aad0efcea79601f5ca42cfc10117cd | 2026-01-16T00:00:00-05:00 | Geometric Aspects of Entanglement Generating Hamiltonian Evolutions | arXiv:2601.10662v1 Announce Type: new Abstract: We examine the pertinent geometric characteristics of entanglement that arise from stationary Hamiltonian evolutions transitioning from separable to maximally entangled two-qubit quantum states. From a geometric perspective, each evolution is characterized by means of geo... | https://arxiv.org/abs/2601.10662 | Academic Papers | svg |
6c67018f0d474a23ac1e46359ecf8c03c01d358091c9bd60dd0e6f333aed11e8 | 2026-01-16T00:00:00-05:00 | Efficiency, Curvature, and Complexity of Quantum Evolutions for Qubits in Nonstationary Magnetic Fields | arXiv:2601.10672v1 Announce Type: new Abstract: In optimal quantum-mechanical evolutions, motion can take place along paths of minimal length within an optimal time frame. Alternatively, optimal evolutions may occur along established paths without any waste of energy resources and achieving 100% speed efficiency. Unfor... | https://arxiv.org/abs/2601.10672 | Academic Papers | svg |
90141a30d84631e91a1d116f7123d53acf584a6b7ac61011ae34eba5e7bfc4d3 | 2026-01-16T00:00:00-05:00 | Scalable Spin Squeezing in Power-Law Interacting XXZ Models with Disorder | arXiv:2601.10703v1 Announce Type: new Abstract: While spin squeezing has been traditionally considered in all-to-all interacting models, recent works have shown that spin squeezing can occur in systems with power-law interactions, leading to direct testing in Rydberg atoms, trapped ions, ultracold atoms and nitrogen va... | https://arxiv.org/abs/2601.10703 | Academic Papers | svg |
ec3da9cfa6aa1768cb30af62a55afbdbb38369528e952cf93dcc2ea5dafe5f1d | 2026-01-16T00:00:00-05:00 | Emergent Nonperturbative Universal Floquet Localization | arXiv:2601.09793v1 Announce Type: cross Abstract: We show that a robust, nonperturbative localization plateau emerges in periodically driven quasiperiodic lattices, independent of the static localization properties and drive protocol. Using exact Floquet dynamics, Floquet perturbation theory, and optimal-order van Vlec... | https://arxiv.org/abs/2601.09793 | Academic Papers | svg |
c561884ae4be75163ae8b8f9541bff07a6f3ccd2413f745dc001c30088f45d1b | 2026-01-16T00:00:00-05:00 | Probing the Chaos to Integrability Transition in Double-Scaled SYK | arXiv:2601.09801v1 Announce Type: cross Abstract: We investigate how a thermodynamical first-order phase transition affects the dynamical chaotic behaviour of a given model. To this effect, we analyze the model of Berkooz, Brukner, Jia and Mamroud that interpolates between the double-scaled SYK model and an integrable ... | https://arxiv.org/abs/2601.09801 | Academic Papers | svg |
2d00d9d292830a0157dbeb8718c951c733ac8bb5781b9e770ac740561e124861 | 2026-01-16T00:00:00-05:00 | Quantum Optical Inspired Models for Unitary Black Hole Evaporation | arXiv:2601.09820v1 Announce Type: cross Abstract: In this work, we describe optically inspired models for unitary black hole (BH) evaporation. The goal of these models are (i) to be operationally simple, (ii) approximately preserve the thermal nature of the emitted Hawking Radiation (HR), and (iii) attempt to reproduce... | https://arxiv.org/abs/2601.09820 | Academic Papers | svg |
8aa0d47de78d60c0383b04c8f9ab52b7f4cc62a7c03f5024d2f202dc8d9477d4 | 2026-01-16T00:00:00-05:00 | Combinatorial properties of holographic entropy inequalities | arXiv:2601.09987v1 Announce Type: cross Abstract: A holographic entropy inequality (HEI) is a linear inequality obeyed by Ryu-Takayanagi holographic entanglement entropies, or equivalently by the minimum cut function on weighted graphs. We establish a new combinatorial framework for studying HEIs, and use it to prove s... | https://arxiv.org/abs/2601.09987 | Academic Papers | svg |
c69b391582be7fd3a50dbda14af6b3012ec3004cfc90da1ae04c08d46c3fa02a | 2026-01-16T00:00:00-05:00 | Holographic entropy inequalities pass the majorization test | arXiv:2601.09989v1 Announce Type: cross Abstract: Quantities computed by minimal cuts, such as entanglement entropies achievable by the Ryu-Takayanagi proposal in the AdS/CFT correspondence, are constrained by linear inequalities. We prove a previously conjectured property of all such constraints: Any $k$ systems on th... | https://arxiv.org/abs/2601.09989 | Academic Papers | svg |
a3a484bcbee6bac97c05df2431867442e9a5cf8cf12881608eef2118cce6572c | 2026-01-16T00:00:00-05:00 | Hybrid superinductance with Al/InAs | arXiv:2601.10023v1 Announce Type: cross Abstract: We report microwave spectroscopy of Josephson junctions chains made from an epitaxial Al/InAs heterostructure. The chains exhibit superinductance, with characteristic wave impedance exceeding $R_{Q} = \hbar/(2e)^{2}$. The planar nature of the junctions results in a larg... | https://arxiv.org/abs/2601.10023 | Academic Papers | svg |
7306af488e323f10d8c4316681c2d1bc99bb3dc6b16172bd58c0a607302448c0 | 2026-01-16T00:00:00-05:00 | Anomalous transport in quasiperiodic lattices: emergent exceptional points at band edges and log-periodic oscillations | arXiv:2601.10056v1 Announce Type: cross Abstract: Quasiperiodic systems host exotic transport regimes that are distinct from those found in periodic or disordered lattices. In this work, we study quantum transport in the Aubry-Andr\'e-Harper lattice in a two-terminal setup coupled to zero-temperature reservoirs, where ... | https://arxiv.org/abs/2601.10056 | Academic Papers | svg |
cf25d2ed91cb7053591f08ae37aa1800120db589709c6bc6bc4a00528cdbdc09 | 2026-01-16T00:00:00-05:00 | Minimally Truncated SU(3) Lattice Gauge Theory and String Tension | arXiv:2601.10065v1 Announce Type: cross Abstract: We study SU(3) gauge theory on small lattices in the minimal (qutrit) electric field truncation retaining only the ${\bf 1}, {\bf 3}, {\bf \overline{3}}$ representations for the link variables. Explicit expressions are given for the Kogut-Susskind Hamiltonian for the sq... | https://arxiv.org/abs/2601.10065 | Academic Papers | svg |
a57f7056a04cce594cc8fbc847fa922d2e1be1b17380c2b08aa8edff968d68c5 | 2026-01-16T00:00:00-05:00 | Random matrix theory universality of current operators in spin-$S$ Heisenberg chains | arXiv:2601.10211v1 Announce Type: cross Abstract: Quantum chaotic systems exhibit certain universal statistical properties that closely resemble predictions from random matrix theory (RMT). With respect to observables, it has recently been conjectured that, when truncated to a sufficiently narrow energy window, their s... | https://arxiv.org/abs/2601.10211 | Academic Papers | svg |
32634c623a8fb68313e2c0bb6a595d032f082f5ff895f24836d06bf8eb6f5a79 | 2026-01-16T00:00:00-05:00 | Quantum Theory and Unusual Dielectric Functions of Graphene | arXiv:2601.10478v1 Announce Type: cross Abstract: We address the spatially nonlocal dielectric functions of graphene at any frequency derived starting fromthe first principles of thermal quantum field theory using the formalism of the polarization tensor. After a brief review of this formalism, the longitudinal and tra... | https://arxiv.org/abs/2601.10478 | Academic Papers | svg |
59d5e116f7ae321ad767bdc86d5f280f9427cb3d074376391ac45cd4b7bd34d5 | 2026-01-16T00:00:00-05:00 | Energy Landscape Structure of Small Graph Isomorphism Under Variational Optimization | arXiv:2111.09821v3 Announce Type: replace Abstract: We investigate a quadratic unconstrained binary optimization (QUBO) formulation of the graph isomorphism problem using the Quantum Approximate Optimization Algorithm (QAOA) and the Variational Quantum Eigensolver (VQE). For small graph instances, we observe that isomo... | https://arxiv.org/abs/2111.09821 | Academic Papers | svg |
174c563639913f6bef59f176b55802c93a881b5f8ea2dc2186d73f407cafcbf0 | 2026-01-16T00:00:00-05:00 | Classifying Measurement Incompatibility under Classical Pre- and Post-Processing Operations | arXiv:2401.01236v3 Announce Type: replace Abstract: Measurement incompatibility has proved to be an important resource for quantum information processing. In this work, we present an operational approach that leverages classical operations on the inputs (pre-processing) and outputs (post-processing) of measurement devi... | https://arxiv.org/abs/2401.01236 | Academic Papers | svg |
2968f19faa4093df17ca3a209b8de3686187cfc75fb5fa3f7b085a32c3b58548 | 2026-01-16T00:00:00-05:00 | Useful entanglement can be extracted from noisy graph states | arXiv:2402.00937v3 Announce Type: replace Abstract: Cluster states and graph states in general offer a useful model of the stabilizer formalism and a path toward the development of measurement-based quantum computation. Their defining structure - the stabilizer group - encodes all possible correlations that can be obse... | https://arxiv.org/abs/2402.00937 | Academic Papers | svg |
939a28d1ff8378d40cc660b7b080378f35bdcf0f7dc6cb36ee1f3529787e7281 | 2026-01-16T00:00:00-05:00 | Quantum Analog of Vicsek Model for Active Matter | arXiv:2407.09860v2 Announce Type: replace Abstract: We propose a quantum model consisting of an ensemble of overdamped spin$-1/2$ particles with ferromagnetic couplings, driven by a radially homogeneous magnetic field. The spontaneous magnetization of the spin components breaks the $SO(3)$ (or $SO(2)$) symmetry, induci... | https://arxiv.org/abs/2407.09860 | Academic Papers | svg |
62cc936b4c9e1347c77f0fd11cab846aeef946acabb9b3683b2e755ee6733504 | 2026-01-16T00:00:00-05:00 | Undecidability of the spectral gap in rotationally symmetric Hamiltonians | arXiv:2410.13589v2 Announce Type: replace Abstract: The problem of determining the existence of a spectral gap in a lattice quantum spin system was previously shown to be undecidable for one [J. Bausch et al., "Undecidability of the spectral gap in one dimension", Physical Review X 10 (2020)] or more dimensions [T. S. ... | https://arxiv.org/abs/2410.13589 | Academic Papers | svg |
3fb1555e3155b30b6bfc9bfdc5cf28ee4c4f046a68a54120900964cc982dd444 | 2026-01-16T00:00:00-05:00 | Entropy Density Benchmarking of Near-Term Quantum Circuits | arXiv:2412.18007v2 Announce Type: replace Abstract: Understanding the limitations imposed by noise on current and next-generation quantum devices is a crucial step towards demonstrating practical quantum advantage. In this work, we investigate the accumulation of entropy density as a benchmark to monitor the performanc... | https://arxiv.org/abs/2412.18007 | Academic Papers | svg |
802af1dbb1afcef3853835580f91b0e87303623aaf340be93554ebc1105085f2 | 2026-01-16T00:00:00-05:00 | Randomized measurements for multi-parameter quantum metrology | arXiv:2502.03536v3 Announce Type: replace Abstract: The optimal quantum measurements for estimating different unknown parameters in a parameterized quantum state are usually incompatible with each other. Traditional approaches to addressing the measurement incompatibility issue, such as the Holevo Cram\'{e}r--Rao bound... | https://arxiv.org/abs/2502.03536 | Academic Papers | svg |
49be27362ed48eb6348c7106fdf09e0eaa23804a01a4a0b7bb18d471df70e6b6 | 2026-01-16T00:00:00-05:00 | Simulating Noncausality with Quantum Control of Causal Orders | arXiv:2502.15579v3 Announce Type: replace Abstract: Logical consistency with free local operations is compatible with non-trivial classical communications, where all parties can be both in each other's past and future-a phenomenon known as noncausality. Noncausal processes, such as the "Lugano (AF/BW) process", violate... | https://arxiv.org/abs/2502.15579 | Academic Papers | svg |
48afdc760b490c4cb7be2d53358fecd22734c1e25f917e70d85a94261cbb7dd2 | 2026-01-16T00:00:00-05:00 | Protected phase gate for the $0$-$\pi$ qubit using its internal modes | arXiv:2503.14634v3 Announce Type: replace Abstract: Protected superconducting qubits such as the $0$-$\pi$ qubit promise to substantially reduce physical error rates. However, a key challenge in the field is designing gates for these qubits that do not compromise their protection, or become infeasibly slow as the prote... | https://arxiv.org/abs/2503.14634 | Academic Papers | svg |
31ef70c70b7fc0fe4655ebde0c0debd71c9708326ccc2f0284e629a9b86cc1b4 | 2026-01-16T00:00:00-05:00 | Optomechanical quantum bus for donor spins in silicon | arXiv:2503.18764v3 Announce Type: replace Abstract: Silicon is the foundation of current information technology, and a promising platform for future quantum information technology as silicon-based qubits exhibit some of the longest coherence times in solid-state. At the same time, silicon is the underlying material for... | https://arxiv.org/abs/2503.18764 | Academic Papers | svg |
e88619d6bebb0d392e23932ec739210828b79005d082eb7b276bb07e89b5427b | 2026-01-16T00:00:00-05:00 | Resonant fragility and nonresonant robustness of Floquet eigenstates in kicked spin systems | arXiv:2504.13257v3 Announce Type: replace Abstract: In classical systems, the Kolmogorov-Arnold-Moser (KAM) theorem establishes that resonant tori of integrable Hamiltonians are destroyed by any nonintegrable perturbation, whereas nonresonant tori are only deformed up to a finite value of the perturbation parameter. In... | https://arxiv.org/abs/2504.13257 | Academic Papers | svg |
1cab72f49ac450a3e22daa6c54df92aea6ed4ffffe2f54c99c425768367bf1a4 | 2026-01-16T00:00:00-05:00 | Comparing classical and quantum conditional disclosure of secrets | arXiv:2505.02939v3 Announce Type: replace Abstract: The conditional disclosure of secrets (CDS) setting is among the most basic primitives studied in information-theoretic cryptography. Motivated by a connection to non-local quantum computation and position-based cryptography, CDS with quantum resources has recently be... | https://arxiv.org/abs/2505.02939 | Academic Papers | svg |
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