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7d708f790f059ad52df1fdecb3be2a915eea55722d58e8b93e28f3fc2f657955 | 2026-01-01T00:00:00-05:00 | Extrapolating LATE with Weak IVs | arXiv:2512.23854v1 Announce Type: new Abstract: To evaluate the effectiveness of a counterfactual policy, it is often necessary to extrapolate treatment effects on compliers to broader populations. This extrapolation relies on exogenous variation in instruments, which is often weak in practice. This limited variation l... | https://arxiv.org/abs/2512.23854 | Academic Papers | svg |
f51bb05a60820fdfba8a2cb0f5847d519b107775cbaaf840681f959d85b14ed6 | 2026-01-01T00:00:00-05:00 | Evaluating Counterfactual Policies Using Instruments | arXiv:2512.24096v1 Announce Type: new Abstract: We study settings in which a researcher has an instrumental variable (IV) and seeks to evaluate the effects of a counterfactual policy that alters treatment assignment, such as a directive encouraging randomly assigned judges to release more defendants. We develop a gener... | https://arxiv.org/abs/2512.24096 | Academic Papers | svg |
02b1bff5b49ac7bde2a01fadac3873da45c0c7cf0a91d416ee873564f292e4a0 | 2026-01-01T00:00:00-05:00 | Optimal Carbon Prices in an Unequal World: The Role of Regional Welfare Weights | arXiv:2512.24520v1 Announce Type: new Abstract: How should nations price carbon? This paper examines how the treatment of global inequality, captured by regional welfare weights, affects optimal carbon prices. I develop theory to identify the conditions under which accounting for differences in marginal utilities of co... | https://arxiv.org/abs/2512.24520 | Academic Papers | svg |
4372ac7a86c46913b18567bed72161f47b6335c0bc71f722d13847398c1769ba | 2026-01-01T00:00:00-05:00 | Scaling Charitable Incentives: Policy Selection, Beliefs, and Evidence from a Field Experiment | arXiv:2512.24852v1 Announce Type: new Abstract: Why are interventions with weak evidence still adopted? We study charitable incentives for physical activity in Japan using three linked methods, including a randomized field experiment (N=808), a stakeholder belief survey (local government officials and private-sector em... | https://arxiv.org/abs/2512.24852 | Academic Papers | svg |
34fadea8bd16af641ded581bab50d3b3156eafcfec615e9e87052bf97e252cd8 | 2026-01-01T00:00:00-05:00 | Antecedents of Consumer Regret Frequency: The Roles of Decision Agency, Status Signaling, and Online Shopping Preference | arXiv:2512.24862v1 Announce Type: new Abstract: Consumer regret is a widespread post-purchase emotion that significantly impacts satisfaction, product returns, complaint behavior, and customer loyalty. Despite its prevalence, there is a limited understanding of why certain consumers experience regret more frequently as... | https://arxiv.org/abs/2512.24862 | Academic Papers | svg |
91c3ede823582255bc79af165a385927ce3aff24daea38332288e2ae5cf667b5 | 2026-01-01T00:00:00-05:00 | Recent Contributions to Theories of Discrimination | arXiv:2205.05994v4 Announce Type: replace Abstract: This paper surveys the literature on theories of discrimination, focusing mainly on new contributions. Recent theories expand on the traditional taste-based and statistical discrimination frameworks by considering specific features of learning and signaling environmen... | https://arxiv.org/abs/2205.05994 | Academic Papers | svg |
98e4c4c187c38ecfbd09b4384f15ebe86a3941080b9a4d5023c87b6bd0f44fa1 | 2026-01-01T00:00:00-05:00 | Degree-Weighted Social Learning | arXiv:2311.07010v3 Announce Type: replace Abstract: We study social learning in which agents weight neighbors' opinions differently based on their degrees, capturing situations in which agents place more trust in well-connected individuals or, conversely, discount their influence. We derive asymptotic properties of lea... | https://arxiv.org/abs/2311.07010 | Academic Papers | svg |
e4730d566f309c5424227b92941b329d43da5f5635c784a1c8f7277d912ed717 | 2026-01-01T00:00:00-05:00 | Optimal longevity of a dynasty | arXiv:2409.15978v4 Announce Type: replace Abstract: Standard optimal growth models implicitly impose a ``perpetual existence'' constraint, which can ethically justify infinite misery in stagnant economies. This paper investigates the optimal longevity of a dynasty within a Critical-Level Utilitarian (CLU) framework. By... | https://arxiv.org/abs/2409.15978 | Academic Papers | svg |
0f54f4835493890e9183b7b05c3596512c906ad9afe894cc0e6340b9315e7b46 | 2026-01-01T00:00:00-05:00 | Persistent gender attitudes and women entrepreneurship | arXiv:2503.04435v2 Announce Type: replace Abstract: We examine whether gender norms - proxied by the outcome of Switzerland's 1981 public referendum on constitutional gender equality - continue to shape local female startup activity today, despite substantial population changes over the past four decades. Using startup... | https://arxiv.org/abs/2503.04435 | Academic Papers | svg |
b432f390582f322b1b420ef3fd54438200548645efe2a24896997bae5f85e399 | 2026-01-01T00:00:00-05:00 | Multivariate quantile regression | arXiv:2508.15749v2 Announce Type: replace Abstract: This paper introduces a new framework for multivariate quantile regression based on the multivariate distribution function, termed multivariate quantile regression (MQR). In contrast to existing approaches--such as directional quantiles, vector quantile regression, or... | https://arxiv.org/abs/2508.15749 | Academic Papers | svg |
d21bbf50a1522cbcc95df5202c82715e53d4b564dc7c25e3406ddf17d1a00bf6 | 2026-01-01T00:00:00-05:00 | A further look at Modified ML estimation of the panel AR(1) model with fixed effects and arbitrary initial conditions | arXiv:2508.20753v2 Announce Type: replace Abstract: In this paper we consider two generalizations of Lancaster's (Review of Economic Studies, 2002) Modified ML estimator (MMLE) for the panel AR(1) model with fixed effects and arbitrary initial conditions and possibly covariates when the time dimension, T, is fixed. Whe... | https://arxiv.org/abs/2508.20753 | Academic Papers | svg |
d279baba8a1d08b7e199f4577dc8d6424a08e8039245c8e3960991e1f694c132 | 2026-01-01T00:00:00-05:00 | Targeted Advertising in Elections | arXiv:2509.10422v2 Announce Type: replace Abstract: How does targeted advertising influence electoral outcomes? This paper presents a one-dimensional spatial model of voting in which a privately informed challenger persuades voters to support him over the status quo. I show that targeted advertising enables the challen... | https://arxiv.org/abs/2509.10422 | Academic Papers | svg |
c4219bde3d145be465fbb9c09b9f5d5287f8767a0f8819300839e9049d15b0ac | 2026-01-01T00:00:00-05:00 | A Characterization of Egalitarian and Proportional Sharing Principles: An Efficient Extension Operator Approach | arXiv:2510.24388v2 Announce Type: replace Abstract: Some well-known solutions for cooperative games with transferable utility (TU-games), such as the Banzhaf value, the Myerson value, and the Aumann-Dreze value, fail to satisfy efficiency. Despite their desirable normative properties, this inefficiency motivates the se... | https://arxiv.org/abs/2510.24388 | Academic Papers | svg |
bce94aedbe146bb82be59b95e3dc370af76d337cd73e0d59ab59c3affb9a39dd | 2026-01-01T00:00:00-05:00 | A Practical Guide to Estimating Conditional Marginal Effects: Modern Approaches | arXiv:2504.01355v2 Announce Type: replace-cross Abstract: This Element offers a practical guide to estimating conditional marginal effects-how treatment effects vary with a moderating variable-using modern statistical methods. Commonly used approaches, such as linear interaction models, often suffer from unclarified es... | https://arxiv.org/abs/2504.01355 | Academic Papers | svg |
d52be4120b476c76bf80c491ad693e27087cb0b91595ab0afaa60184489eef3d | 2026-01-01T00:00:00-05:00 | A Fuzzy Approach for Randomized Confidence Intervals | arXiv:2512.23866v1 Announce Type: new Abstract: We propose randomized confidence intervals based on the Neyman-Pearson lemma, in order to make them more broadly applicable to distributions that do not satisfy regularity conditions. This is achieved by using the definition of fuzzy confidence intervals. These intervals ... | https://arxiv.org/abs/2512.23866 | Academic Papers | svg |
c8117293c30b531fd7d7ef248d84fdd9f6bb8dab4e3465a5ebbc0364f2cf91a8 | 2026-01-01T00:00:00-05:00 | Forecasting the Term Structure of Interest Rates with SPDE-Based Models | arXiv:2512.23910v1 Announce Type: new Abstract: The Dynamic Nelson--Siegel (DNS) model is a widely used framework for term structure forecasting. We propose a novel extension that models DNS residuals as a Gaussian random field, capturing dependence across both time and maturity. The residual field is represented via a... | https://arxiv.org/abs/2512.23910 | Academic Papers | svg |
b6a00c6badd180062cbac3b63502f247144fd3683d9c182b1275259adbd89b90 | 2026-01-01T00:00:00-05:00 | Least Square Estimation: SDEs Perturbed by L\'evy Noise with Sparse Sample Paths | arXiv:2512.24005v1 Announce Type: new Abstract: This article investigates the least squares estimators (LSE) for the unknown parameters in stochastic differential equations (SDEs) that are affected by L\'evy noise, particularly when the sample paths are sparse. Specifically, given $n$ sparsely observed curves related t... | https://arxiv.org/abs/2512.24005 | Academic Papers | svg |
6f46f03f7cc38dc6f3ffb727d1514be3a8e8b420d166dc4a123b6bc14c141d5b | 2026-01-01T00:00:00-05:00 | A persistent-homology-based Bayesian prior to identify Robin coefficient in parabolic problems | arXiv:2512.24046v1 Announce Type: new Abstract: We adopt a Bayesian inference approach with persistent-homology-based prior to estimate a temporally dependent Robin coefficient arising in the analysis of convective heat transfer. And we also discuss the use of a hierarchical Bayesian method for automatic selection of t... | https://arxiv.org/abs/2512.24046 | Academic Papers | svg |
2952c629ce8a63ccdaa1eb568cb8a86ad3a5ae8e763bb0f125dffdabb63d28a9 | 2026-01-01T00:00:00-05:00 | The Malaysian Election Corpus (MECo): Electoral Maps and Cartograms from 1954 to 2025 | arXiv:2512.24211v1 Announce Type: new Abstract: Electoral boundaries in Malaysia are not publicly available in machine-readable form. This prevents rigorous analysis of geography-centric issues such as malapportionment and gerrymandering, and constrains spatial perspectives on electoral outcomes. We present the second ... | https://arxiv.org/abs/2512.24211 | Academic Papers | svg |
f44d9968e9b9652efb559342346a278f5cf724e7051a29a9d81508613aa05d17 | 2026-01-01T00:00:00-05:00 | A Robust Persistent Homology : Trimming Approach | arXiv:2512.24222v1 Announce Type: new Abstract: This article studies the robust version of persistent homology based on trimming methodology to capture the geometric feature through support of the data in presence of outliers. Precisely speaking, the proposed methodology works when the outliers lie outside the main dat... | https://arxiv.org/abs/2512.24222 | Academic Papers | svg |
e709fca91cc41f64a9298a03c6f47b13cd0c3f4d3ee9a2d947864f8827a9031c | 2026-01-01T00:00:00-05:00 | Valid and Efficient Two-Stage Latent Subgroup Analysis with Observational Data | arXiv:2512.24223v1 Announce Type: new Abstract: Subgroup analysis evaluates treatment effects across multiple sub-populations. When subgroups are defined by latent memberships inferred from imperfect measurements, the analysis typically involves two inter-connected models, a latent class model and a subgroup outcome mo... | https://arxiv.org/abs/2512.24223 | Academic Papers | svg |
29189c93c94095acdbd65cf2e9c75999f45b3c215b26b97bca0c860efcc1e008 | 2026-01-01T00:00:00-05:00 | A Novel Approach for Data Integration with Multiple Heterogeneous Data Sources | arXiv:2512.24342v1 Announce Type: new Abstract: The integration of data from multiple sources is increasingly used to achieve larger sample sizes and enhance population diversity. Our previous work established that, under random sampling from the same underlying population, integrating large incomplete datasets with su... | https://arxiv.org/abs/2512.24342 | Academic Papers | svg |
f7f1d3276100e3704f9bf1a2b8b17ea326010d04ca66894a30c2c5c27c32000f | 2026-01-01T00:00:00-05:00 | Bayesian inference for functional extreme events defined via partially unobserved processes | arXiv:2512.24356v1 Announce Type: new Abstract: In order to describe the extremal behaviour of some stochastic process $X$, approaches from univariate extreme value theory are typically generalized to the spatial domain. In particular, generalized peaks-over-threshold approaches allow for the consideration of single ex... | https://arxiv.org/abs/2512.24356 | Academic Papers | svg |
a1a7a856119b1b9928afc60dd3145368414ebf941ad3f09f96bc036c3eb7e518 | 2026-01-01T00:00:00-05:00 | Geometric criteria for identifying extremal dependence and flexible modeling via additive mixtures | arXiv:2512.24392v1 Announce Type: new Abstract: The framework of geometric extremes is based on the convergence of scaled sample clouds onto a limit set, characterized by a gauge function, with the shape of the limit set determining extremal dependence structures. While it is known that a blunt limit set implies asympt... | https://arxiv.org/abs/2512.24392 | Academic Papers | svg |
8aee4e955dc94e3424d429217d3bc51bbed43ff4861082138d80d6af5987cdd6 | 2026-01-01T00:00:00-05:00 | Demystifying Proximal Causal Inference | arXiv:2512.24413v1 Announce Type: new Abstract: Proximal causal inference (PCI) has emerged as a promising framework for identifying and estimating causal effects in the presence of unobserved confounders. While many traditional causal inference methods rely on the assumption of no unobserved confounding, this assumpti... | https://arxiv.org/abs/2512.24413 | Academic Papers | svg |
4ab1e97ce1cef814ce9e3856d79a0530213eb544c36b9e961eb7b570545eb60b | 2026-01-01T00:00:00-05:00 | Model-Assisted Bayesian Estimators of Transparent Population Level Summary Measures for Ordinal Outcomes in Randomized Controlled Trials | arXiv:2512.24442v1 Announce Type: new Abstract: In randomized controlled trials, ordinal outcomes typically improve statistical efficiency over binary outcomes. The treatment effect on an ordinal outcome is usually described by the odds ratio from a proportional odds model, but this summary measure lacks transparency w... | https://arxiv.org/abs/2512.24442 | Academic Papers | svg |
c0ef3791bdec05dca0f12fd0eb3648bdb0be19e402e1276095ab04d42d7ad3f3 | 2026-01-01T00:00:00-05:00 | Robust reduced rank regression under heavy-tailed noise and missing data via non-convex penalization | arXiv:2512.24450v1 Announce Type: new Abstract: Reduced rank regression (RRR) is a fundamental tool for modeling multiple responses through low-dimensional latent structures, offering both interpretability and strong predictive performance in high-dimensional settings. Classical RRR methods, however, typically rely on ... | https://arxiv.org/abs/2512.24450 | Academic Papers | svg |
502fdaeb08abaeba47bd948762b9f49bd296d8333f522613032d2677ed369f09 | 2026-01-01T00:00:00-05:00 | Multiple Testing of One-Sided Hypotheses with Conservative $p$-values | arXiv:2512.24588v1 Announce Type: new Abstract: We study a large-scale one-sided multiple testing problem in which test statistics follow normal distributions with unit variance, and the goal is to identify signals with positive mean effects. A common approach is to compute $p$-values under the assumption that all null... | https://arxiv.org/abs/2512.24588 | Academic Papers | svg |
22580dec19ef3ee3c4450d625c5096e610bea8ed0aff02d9e99a208a19285f79 | 2026-01-01T00:00:00-05:00 | Generalized Poisson Matrix Factorization for Overdispersed Count Data | arXiv:2512.24604v1 Announce Type: new Abstract: Non-negative matrix factorization (NMF) is widely used as a feature extraction technique for matrices with non-negative entries, such as image data, purchase histories, and other types of count data. In NMF, a non-negative matrix is decomposed into the product of two non-... | https://arxiv.org/abs/2512.24604 | Academic Papers | svg |
33ec5e67c7083e2ea874ecc9ccd4a1d9f2328b3a8a70f30cebbdcf164dd60d10 | 2026-01-01T00:00:00-05:00 | Empirical Bayes Method for Large Scale Multiple Testing with Heteroscedastic Errors | arXiv:2512.24611v1 Announce Type: new Abstract: In this paper, we address the normal mean inference problem, which involves testing multiple means of normal random variables with heteroscedastic variances. Most existing empirical Bayes methods for this setting are developed under restrictive assumptions, such as the sc... | https://arxiv.org/abs/2512.24611 | Academic Papers | svg |
0b025d4e69b7cbb510f89c65563dee356cb6866137c2a18c597e20e4cd7e6785 | 2026-01-01T00:00:00-05:00 | $\ell_0$-Regularized Item Response Theory Model for Robust Ideal Point Estimation | arXiv:2512.24642v1 Announce Type: new Abstract: Ideal point estimation methods face a significant challenge when legislators engage in protest voting -- strategically voting against their party to express dissatisfaction. Such votes introduce attenuation bias, making ideologically extreme legislators appear artificiall... | https://arxiv.org/abs/2512.24642 | Academic Papers | svg |
e8935d8801ddfd51210dce499d5ab2e3e80b76a7f6e11287d328bd8698020554 | 2026-01-01T00:00:00-05:00 | Quasi-Maximum Likelihood Estimation for a Genuinely Unbalanced Dynamic Network Panel Data Model | arXiv:2512.24748v1 Announce Type: new Abstract: This paper develops a quasi-maximum likelihood estimator for genuinely unbalanced dynamic network panel data models with individual fixed effects. We propose a model that accommodates contemporaneous and lagged network spillovers, temporal dependence, and a listing effect... | https://arxiv.org/abs/2512.24748 | Academic Papers | svg |
fdb8f5fc9329fdf958f79380a4e5512e0e20f0c38c3de95d14142fdc9ddcd12c | 2026-01-01T00:00:00-05:00 | Bayesian Elastic Net Regression with Structured Prior Dependence | arXiv:2512.25045v1 Announce Type: new Abstract: Many regularization priors for Bayesian regression assume the regression coefficients are a priori independent. In particular this is the case for standard Bayesian treatments of the lasso and the elastic net. While independence may be reasonable in some data-analytic set... | https://arxiv.org/abs/2512.25045 | Academic Papers | svg |
a258c588b1a5fd6d70152752749cb98226004e9c7790e20040b1bc7262d8683e | 2026-01-01T00:00:00-05:00 | Sequential Bayesian parameter-state estimation in dynamical systems with noisy and incomplete observations via a variational framework | arXiv:2512.25056v1 Announce Type: new Abstract: Online joint estimation of unknown parameters and states in a dynamical system with uncertainty quantification is crucial in many applications. For example, digital twins dynamically update their knowledge of model parameters and states to support prediction and decision-... | https://arxiv.org/abs/2512.25056 | Academic Papers | svg |
6b0833230ea8216ec3237d7050870a30fc0df639430919ee435b46d48dff747e | 2026-01-01T00:00:00-05:00 | Constraints on the perfect phylogeny mixture model and their effect on reducing degeneracy | arXiv:2512.24930v1 Announce Type: cross Abstract: The perfect phylogeny mixture (PPM) model is useful due to its simplicity and applicability in scenarios where mutations can be assumed to accumulate monotonically over time. It is the underlying model in many tools that have been used, for example, to infer phylogeneti... | https://arxiv.org/abs/2512.24930 | Academic Papers | svg |
4c2be135095e9c117fb534a1ca3f4573996ccb9795f2026ac231773d2a252ff6 | 2026-01-01T00:00:00-05:00 | Hypothesis testing for partial tail correlation in multivariate extremes | arXiv:2210.02048v3 Announce Type: replace Abstract: Statistical modeling of high dimensional extremes remains challenging and has generally been limited to moderate dimensions. Understanding structural relationships among variables at their extreme levels is crucial both for constructing simplified models and for ident... | https://arxiv.org/abs/2210.02048 | Academic Papers | svg |
592d5e9f1802f9f20900c1ea8dc0b9503f37cc1331f1b5a495ef0d635f32fc77 | 2026-01-01T00:00:00-05:00 | Maximum Likelihood Estimates of Parameters in Generalized Gamma Distribution with SeLF Algorithm | arXiv:2306.16419v2 Announce Type: replace Abstract: This undergraduate thesis focuses on calculating maximum likelihood estimates of parameters in the generalized Gamma distribution using the SeLF algorithm. As an extension of the Gamma distribution, the generalized Gamma distribution can better fit real data and has b... | https://arxiv.org/abs/2306.16419 | Academic Papers | svg |
806fff1629e778d6afd68d48a95afc2febfc5314043cb11121c1be8aa32e0deb | 2026-01-01T00:00:00-05:00 | Extremile scalar-on-function regression | arXiv:2405.20817v2 Announce Type: replace Abstract: Extremiles provide a generalization of quantiles which are not only robust, but also have an intrinsic link with extreme value theory. This paper introduces an extremile regression model tailored for functional covariate spaces. The estimation procedure turns out to b... | https://arxiv.org/abs/2405.20817 | Academic Papers | svg |
0d220aa3e3c4ce0a538b046b8fc10685fbcf74bf4f21458b10e701adec6fb521 | 2026-01-01T00:00:00-05:00 | Inference at the data's edge: Gaussian processes for modeling and inference under model-dependency, poor overlap, and extrapolation | arXiv:2407.10442v2 Announce Type: replace Abstract: Many inferential tasks involve fitting models to observed data and predicting outcomes at new covariate values, requiring interpolation or extrapolation. Conventional methods select a single best-fitting model, discarding fits that were similarly plausible in-sample b... | https://arxiv.org/abs/2407.10442 | Academic Papers | svg |
a41087465c93e15302f4905ccbef16b3b13e438cecd7f22e3b7d05a089d96d39 | 2026-01-01T00:00:00-05:00 | Subtype-Aware Registration of Longitudinal Electronic Health Records | arXiv:2501.07336v2 Announce Type: replace Abstract: Electronic Health Records (EHRs) contain extensive patient information that can inform downstream clinical decisions, such as mortality prediction, disease phenotyping, and disease onset prediction. A key challenge in EHR data analysis is the temporal gap between when... | https://arxiv.org/abs/2501.07336 | Academic Papers | svg |
74b473727a219c86b24add20a584fe9d20e57dbda20010872bdb61183035b314 | 2026-01-01T00:00:00-05:00 | Measuring the Impact of Missingness in Traffic Stop Data | arXiv:2505.18281v2 Announce Type: replace Abstract: In this article we explore the data available through the Stanford Open Policing Project. The data consist of information on millions of traffic stops across close to 100 different cities and highway patrols. Using a variety of metrics, we identify that the data is no... | https://arxiv.org/abs/2505.18281 | Academic Papers | svg |
fcb4724fac8276194b41d692bb00c6d13821a5cfdc7fd801b6e53b857cb3c132 | 2026-01-01T00:00:00-05:00 | Reframing Three-Dimensional Morphometrics Through Functional Data Innovations | arXiv:2509.00650v2 Announce Type: replace Abstract: This study innovates geometric morphometrics by incorporating functional data analysis, the square-root velocity function (SRVF), and arc-length parameterisation for 3D morphometric data, leading to the development of seven new pipelines in addition to the standard ge... | https://arxiv.org/abs/2509.00650 | Academic Papers | svg |
44ab6a441d08df67e34205bb3502148c2e10d76d16be0eadb261639cbc91f1be | 2026-01-01T00:00:00-05:00 | Estimation and Inference for Causal Explainability | arXiv:2512.20219v4 Announce Type: replace Abstract: Understanding how much each variable contributes to an outcome is a central question across disciplines. A causal view of explainability is favorable for its ability in uncovering underlying mechanisms and generalizing to new contexts. Based on a family of causal expl... | https://arxiv.org/abs/2512.20219 | Academic Papers | svg |
76106fbb605f09930d9ab369400c84f21a06e295cf87aeb9aec673b7e8940ae4 | 2026-01-01T00:00:00-05:00 | Landauer cost in a continuous vacuum/no-vacuum measurement | arXiv:2512.23751v1 Announce Type: new Abstract: We study the thermodynamic cost of maintaining a continuous binary record of a vacuum or no-vacuum measurement. Modeling the monitoring as a time-binned click or no-click process with finite bandwidth, we treat the outcomes as a classical register that is reset after each... | https://arxiv.org/abs/2512.23751 | Academic Papers | svg |
00e995c62e9abb8466053e489ca1e4e36129b2363c223d17297fe80f1ef3c10c | 2026-01-01T00:00:00-05:00 | Aliphatic Chains as One-Dimensional XY Spin Chains | arXiv:2512.23759v1 Announce Type: new Abstract: Spin waves are propagating disturbances of spin order in lattices with nearest-neighbor interactions. They are traditionally observed in magnetically ordered solids using inelastic neutron, light, or electron scattering, and ferromagnetic resonance. Here, we show that ana... | https://arxiv.org/abs/2512.23759 | Academic Papers | svg |
3659d6faeb14c8ed8dcfc95244132e5de32a7fd23176839b08fd2eaec1953885 | 2026-01-01T00:00:00-05:00 | Euler-Korteweg vortices: A fluid-mechanical analogue to the Schr\"odinger and Klein-Gordon equations | arXiv:2512.23771v1 Announce Type: new Abstract: Quantum theory and relativity exhibit several formal analogies with fluid mechanics. This paper examines under which conditions a classical fluid model may reproduce the most basic mathematical formalism of both theories. By assuming that the angular momentum of an irrota... | https://arxiv.org/abs/2512.23771 | Academic Papers | svg |
0e8d4de9b1760b0b87600bf1827d088fff13da6feee49078c50437daa1408fb5 | 2026-01-01T00:00:00-05:00 | DifGa: Differentiable Error Mitigation for Multi-Mode Gaussian and Non-Gaussian Noise in Quantum Photonic Circuits | arXiv:2512.23776v1 Announce Type: new Abstract: We introduce DifGa, a fully differentiable error-mitigation framework for continuous-variable (CV) quantum photonic circuits operating under Gaussian loss and weak non-Gaussian noise. The approach is demonstrated using analytic simulations with the default.gaussian backen... | https://arxiv.org/abs/2512.23776 | Academic Papers | svg |
7b2f1293b64b02dc61ad8fe24af441b0835f3a864deba62df0d4e8f3a8170464 | 2026-01-01T00:00:00-05:00 | Efficient simulation of logical magic state preparation protocols | arXiv:2512.23799v1 Announce Type: new Abstract: Developing space- and time-efficient logical magic state preparation protocols will likely be an essential step towards building a large-scale fault-tolerant quantum computer. Motivated by this need, we introduce a scalable method for simulating logical magic state prepar... | https://arxiv.org/abs/2512.23799 | Academic Papers | svg |
cd670100240a43404d13c4b8b18e67a7138fb8f1eef9dfea618aedbc445581c9 | 2026-01-01T00:00:00-05:00 | Mermin Devices for Generalized Dicke States | arXiv:2512.23803v1 Announce Type: new Abstract: We present here several new exact results for a number of entangled states: the W-state of three qubits and its generalization -- Dicke states for more than three qubits. We derive these results by bounding the expected values of the Bell-Mermin operators. We review the t... | https://arxiv.org/abs/2512.23803 | Academic Papers | svg |
b6f28a60ef16652bc6333136f905dfb1bce41a7f6f3f7d30302bb96974f05122 | 2026-01-01T00:00:00-05:00 | Squeezed states for Frenkel-like two-fermion composite bosons | arXiv:2512.23867v1 Announce Type: new Abstract: We investigate squeezed states of composite bosons (cobosons) formed by pairs of spin-$1/2$ fermions, with emphasis on Frenkel-like cobosons. While squeezing for standard bosonic modes is well established, its extension to cobosons requires accounting for Pauli blocking a... | https://arxiv.org/abs/2512.23867 | Academic Papers | svg |
9f9136e8ccae0fc1d362cae4121660ea6b8bc443a041546e17607a51c2032c52 | 2026-01-01T00:00:00-05:00 | Entangled photon triplets using lithium niobate nanophotonics | arXiv:2512.24053v1 Announce Type: new Abstract: Multiphoton states are needed for quantum communication and computation. Multiphoton states are significantly more difficult to generate than one- and two-photon states because two individual down-conversion processes must be cascaded. Only efficiencies of $<100$ Hz/mW ha... | https://arxiv.org/abs/2512.24053 | Academic Papers | svg |
70c6fd598447d4656d18b91df87eafe996c73b065c3a2d88bda7533be7cbd3cc | 2026-01-01T00:00:00-05:00 | A new entanglement measure based on the total concurrence | arXiv:2512.24057v1 Announce Type: new Abstract: Quantum entanglement is a crucial resource in quantum information processing, advancing quantum technologies. The greater the uncertainty in subsystems' pure states, the stronger the quantum entanglement between them. From the dual form of $q$-concurrence ($q\geq 2$) we i... | https://arxiv.org/abs/2512.24057 | Academic Papers | svg |
c9518a3556203ec4f9166c0b0dfc320a44165982c45242c9445da690f71f988b | 2026-01-01T00:00:00-05:00 | Quantum Speed Limits Based on the Sharma-Mittal Entropy | arXiv:2512.24070v1 Announce Type: new Abstract: Quantum speed limits (QSLs) establish intrinsic bounds on the minimum time required for the evolution of quantum systems. We present a class of QSLs formulated in terms of the two-parameter Sharma-Mittal entropy (SME), applicable to finite-dimensional systems evolving und... | https://arxiv.org/abs/2512.24070 | Academic Papers | svg |
d29a0590c99aa7d0b2e007538791698833d3cdb7045dd9ae52f0f6b93f4938f7 | 2026-01-01T00:00:00-05:00 | Parametric amplification of continuous variable entangled state for loss-tolerant multi-phase estimation | arXiv:2512.24081v1 Announce Type: new Abstract: Quantum parameter estimation exploits quantum states to achieve estimation sensitivity beyond classical limit. In continuous variable (CV) regime, squeezed state has been exploited to implement deterministic phase estimation. It is however, often restricted by fragility o... | https://arxiv.org/abs/2512.24081 | Academic Papers | svg |
0419a74b91059a4aa51f194046dc99370f5c3c3ccd2e5a076010aecccebaf069 | 2026-01-01T00:00:00-05:00 | Testing Noise Correlations by an AI-Assisted Two-Qubit Quantum Sensor | arXiv:2512.24135v1 Announce Type: new Abstract: We introduce and validate a machine learning-assisted protocol to classify time and space correlations of classical noise acting on a quantum system, using two interacting qubits as probe. We consider different classes of noise, according to their Markovianity and spatial... | https://arxiv.org/abs/2512.24135 | Academic Papers | svg |
23d9ded858ad7c4c5c22114c33b7ab69d42a8e1557a594c6ddfdfdec80bd0488 | 2026-01-01T00:00:00-05:00 | Capacity-time Trade-off in Highly Reliable Quantum Memory | arXiv:2512.24245v1 Announce Type: new Abstract: Reliable optical quantum memory is limited by real-world imperfections such as disordered coupling and detuning. Existing studies mostly address these factors separately, while in practice their correlated effects set a fundamental limit on storage performance. We develop... | https://arxiv.org/abs/2512.24245 | Academic Papers | svg |
9afa0a35629ecc28aaef25febbf793e6197f1f0c95974375a099053197af202f | 2026-01-01T00:00:00-05:00 | Deterministic distribution of W-class states in quantum networks | arXiv:2512.24274v1 Announce Type: new Abstract: Multipartite entangled states possess a number of non-intuitive properties, making them a useful resource for various quantum information-processing tasks. The three-qubit W-state is one such example where every state is robust to single-qubit loss. However, this state is... | https://arxiv.org/abs/2512.24274 | Academic Papers | svg |
d42531bf7f46c863b826c74f7fb08b66fa4e4b6908fce95a0b5afd1bcaaa9e74 | 2026-01-01T00:00:00-05:00 | Ergodic dynamics in iterated quantum protocols | arXiv:2512.24282v1 Announce Type: new Abstract: We study measurement-induced nonlinear dynamics generated by an iterated quantum protocol combining an entangling gate, a single-qubit rotation, and post-selection. For pure single-qubit inputs, a particular choice of the single-qubit unitary yields globally chaotic, stro... | https://arxiv.org/abs/2512.24282 | Academic Papers | svg |
b8c25bdf3f00d24f123124c29ae129ee016895ddc6da70dc7d46210640205a37 | 2026-01-01T00:00:00-05:00 | Quantum Thermodynamics and Quantum Perspectives | arXiv:2512.24296v1 Announce Type: new Abstract: After a brief historical perspective, we introduce the key notions of work and heat for quantum systems, to then apply them to quantum engines operating on quantum Otto and Carnot cycles. The irreversible and dissipative character of the quantum Otto cycle is briefly anal... | https://arxiv.org/abs/2512.24296 | Academic Papers | svg |
7409879d2b29977d34d96849d4bf426789809f26d700474742cf4376d76babfd | 2026-01-01T00:00:00-05:00 | In defense of temporal Tsirelson bound | arXiv:2512.24304v1 Announce Type: new Abstract: In a recent paper, Chatterjee et al. [Phys. Rev. Lett 135, 220202 (2025)] analyze and experimentally implement a specific unitary evolution of a simple quantum system. The authors refer to this type of dynamics as a "superposition of unitary time evolutions." They claim t... | https://arxiv.org/abs/2512.24304 | Academic Papers | svg |
e9249e7477743fe0eb422d3b8004761d2c11938830a804a7ed5b1645c2528ef2 | 2026-01-01T00:00:00-05:00 | Quantum Computing, Ising Formulation, and the Traveling Salesman Problem | arXiv:2512.24308v1 Announce Type: new Abstract: Ising formulation is important for many NP problems (Lucas, 2014). This formulation enables implementing novel quantum computing methods including Quantum Approximate Optimization Algorithm and Variational Quantum Eigensolver (VQE). Here, we investigate closely the travel... | https://arxiv.org/abs/2512.24308 | Academic Papers | svg |
9c12aa6bd33b650018ce083e3d73a1befcab8bbf040e8f06d50919117432ae99 | 2026-01-01T00:00:00-05:00 | Gravitationally Induced Entanglement Between Particles in Harmonic Traps: Limits for Gaussian States | arXiv:2512.24312v1 Announce Type: new Abstract: Gravitationally induced entanglement has been proposed as a probe of the quantum nature of gravity. This work analyzes a system of two particles in harmonic traps interacting only through gravity, considering thermal and two-mode squeezed initial states. For thermal state... | https://arxiv.org/abs/2512.24312 | Academic Papers | svg |
9c3caceb0db076cdb7c5067e0473de8d7896b0f14b733bada909230b00d6f657 | 2026-01-01T00:00:00-05:00 | Increased-Efficiency Multiple-Decoding-Attempts Error Correction for Continuous-Variable Quantum Key Distribution | arXiv:2512.24387v1 Announce Type: new Abstract: In continuous-variable quantum key distribution (CV-QKD), the performance of the information reconciliation (IR) step is critical for the achievable secret key rate (SKR) and transmission distance. We show how to improve on the recently introduced implementation of an IR-... | https://arxiv.org/abs/2512.24387 | Academic Papers | svg |
ba5ba5906b127364d8d135f895998b68e1511849ae3abd2a58c6033a65d9454c | 2026-01-01T00:00:00-05:00 | Diagonal Unitary Covariant Superchannels | arXiv:2512.24389v1 Announce Type: new Abstract: We present a complete characterization of diagonal unitary covariant (DU-covariant) superchannels, i.e. higher-order transformations transforming quantum channels into themselves. Necessary and sufficient conditions for complete positivity and trace preservation are deriv... | https://arxiv.org/abs/2512.24389 | Academic Papers | svg |
13f95415cdac707e7411613dbf6b0b020d0cfabb9c219cb02c767c2ff039132b | 2026-01-01T00:00:00-05:00 | Machine Learning-Aided Optimal Control of a Qubit Subjected to External Noise | arXiv:2512.24393v1 Announce Type: new Abstract: We apply a machine-learning-enhanced greybox framework to a quantum optimal control protocol for open quantum systems. Combining a whitebox physical model with a neural-network blackbox trained on synthetic data, the method captures non-Markovian noise effects and achieve... | https://arxiv.org/abs/2512.24393 | Academic Papers | svg |
15f6a7686c7435db7f8e7e16ce1064a4230fd43a64679a60f9f042d17833a910 | 2026-01-01T00:00:00-05:00 | Harnessing subspace controllability: Time-optimal Dicke-state generation in Heisenberg-coupled qubit arrays with a single local control | arXiv:2512.24406v1 Announce Type: new Abstract: We explore the feasibility of realizing Dicke states in qubit arrays with always-on isotropic Heisenberg coupling between adjacent qubits, assuming a single Zeeman-type control acting in the $z$ direction on an actuator qubit. The Lie-algebraic criteria of controllability... | https://arxiv.org/abs/2512.24406 | Academic Papers | svg |
023fd2926029642c0951459d2a2afc54c9faea437eec9e95f0e058a5d6a465e5 | 2026-01-01T00:00:00-05:00 | Dissipation-Stabilized Quantum Revivals in a Non-Hermitian Lattice Gauge Theory | arXiv:2512.24418v1 Announce Type: new Abstract: With the advent of quantum simulation experiments of lattice gauge theories (LGTs), an open question is the effect of non-Hermiticity on their rich physics. The well-known PXP model, a U$(1)$ LGT with a two-level electric field in one spatial dimension, has become a parad... | https://arxiv.org/abs/2512.24418 | Academic Papers | svg |
3f1233a5c5e263999acc7f69c41bc18ffd9a100d08632a36959442730ae05361 | 2026-01-01T00:00:00-05:00 | A Quantum-Inspired Algorithm for Graph Isomorphism | arXiv:2512.24423v1 Announce Type: new Abstract: The Noisy Intermediate-Scale Quantum (NISQ) era of technology in which we currently find ourselves is defined by non-universality, susceptibility to errors and noise, and a search for useful applications. While demonstrations of practical quantum advantage remain elusive ... | https://arxiv.org/abs/2512.24423 | Academic Papers | svg |
79aeb84006b56372999803aa36728a83810bb685ef722dde3f5478956097bc85 | 2026-01-01T00:00:00-05:00 | Detection of quantum entanglement across the event horizon | arXiv:2512.24424v1 Announce Type: new Abstract: We investigate the problem of distinguishing between separable and entangled states of two quantum wave packets, one of which falls into a black hole. Intuitively, one might expect the two scenarios to be indistinguishable, since the information carried by one wave packet... | https://arxiv.org/abs/2512.24424 | Academic Papers | svg |
f3888f96588c6ab86dc3088a996d05c1bb214368914b5f75c55e0f7f5aaabb1c | 2026-01-01T00:00:00-05:00 | Uncertainty inequalities in a non-Hermitian scenario: the problem of the metric | arXiv:2512.24437v1 Announce Type: new Abstract: We investigate uncertainty relations for quantum observables evolving under non-Hermitian Hamiltonians, with particular emphasis on the role of metric operators. By constructing appropriate metrics in each dynamical regime, namely the unbroken-symmetry phase, the broken-s... | https://arxiv.org/abs/2512.24437 | Academic Papers | svg |
3a820d1e86470522b819a42e7f11364560582f0998b226cc47c02b4913129930 | 2026-01-01T00:00:00-05:00 | Incorporating multi-qubit exchange coupling effects between transmon qubits in Maxwell-Schr\"{o}dinger numerical methods | arXiv:2512.24448v1 Announce Type: new Abstract: Superconducting qubits have emerged as a leading platform for realizing quantum computers. Accurate modeling of these devices is essential for predicting performance, improving design, and optimizing control. Many modeling approaches currently rely on lumped circuit appro... | https://arxiv.org/abs/2512.24448 | Academic Papers | svg |
7146e986a6a053d475b28a1157fde0163f1f27876dac93499b224e9db78c5040 | 2026-01-01T00:00:00-05:00 | Quantum phase synchronisation enhanced via Coulomb interaction in an optomechanical system | arXiv:2512.24454v1 Announce Type: new Abstract: In this work, we investigate the dynamics of quantum synchronization in a four-mode optomechanical system, focusing on the influence of the Coulomb interaction between two mechanical resonators. We analyze the effect of the Coulomb coupling on three distinct synchronizati... | https://arxiv.org/abs/2512.24454 | Academic Papers | svg |
ac425a612c9b0a84c24a34551d865025bdcc2a75dca5f405cfb293c8dd50063f | 2026-01-01T00:00:00-05:00 | A Boundary Condition Perspective on Circuit QED Dispersive Readout | arXiv:2512.24466v1 Announce Type: new Abstract: Boundary conditions in confined geometries and measurement interactions in quantum mechanics share a common structural role: both select a preferred basis by determining which states are compatible with the imposed constraint. This paper develops this perspective for circ... | https://arxiv.org/abs/2512.24466 | Academic Papers | svg |
7c152be5430fe6e29c4e70fdc41d62dfcd0baa760ac45ac213ecfcf1ffb59790 | 2026-01-01T00:00:00-05:00 | Three-Axis Spin Squeezed States Associated with Excited-State Quantum Phase Transitions | arXiv:2512.24472v1 Announce Type: new Abstract: Spin squeezing in collective atomic ensembles enables quantum-enhanced metrology by reducing noise below the standard quantum limit through nonlinear interactions. Extending the one-axis and two-axis twisting paradigms of Kitagawa and Ueda, we introduce a general class of... | https://arxiv.org/abs/2512.24472 | Academic Papers | svg |
aaaca8aafb9c816027c1297f97d422dd60e8e0572fe25833cd7034b511708f93 | 2026-01-01T00:00:00-05:00 | Spectroscopy of Quantum Phase Slips: Visualizing Complex Real-Time Instantons | arXiv:2512.24495v1 Announce Type: new Abstract: Parametrically driven oscillators can emerge as a basis for the next generation of qubits. Classically, these systems exhibit two stable oscillatory states with opposite phases. Upon quantization, these states turn into a pair of closely spaced Floquet states, which can s... | https://arxiv.org/abs/2512.24495 | Academic Papers | svg |
d926babbd57b43e236bb86415dd068072217eb789b7a9a5227ab5f6291aaf5a1 | 2026-01-01T00:00:00-05:00 | Geometric phase of exceptional point as quantum resonance in complex scaling method | arXiv:2512.24528v1 Announce Type: new Abstract: Non-Hermitian operators and exceptional points (EPs) are now routinely realized in few-mode systems such as optical resonators and superconducting qubits. However, their foundations in genuine scattering problems with unbounded Hamiltonians remain much less clear. In this... | https://arxiv.org/abs/2512.24528 | Academic Papers | svg |
1daff554785f427f55145ff3c628af1593aa1378d9b44d37b163095ae92a8e6d | 2026-01-01T00:00:00-05:00 | TLS-induced thermal nonlinearity in a micro-mechanical resonator | arXiv:2512.24539v1 Announce Type: new Abstract: We present experimental evidence of a thermally-driven amplitude-frequency nonlinearity in a thin-film quartz phononic crystal resonator at millikelvin temperatures. The nonlinear response arises from the coupling of the mechanical mode to an ensemble of microscopic two-l... | https://arxiv.org/abs/2512.24539 | Academic Papers | svg |
cbc0dff0b5f5c971811d3bd78e10fbdb2cddafae51f9cc68d4c696b61af88fa8 | 2026-01-01T00:00:00-05:00 | QAOA-MaxCut has barren plateaus for almost all graphs | arXiv:2512.24577v1 Announce Type: new Abstract: The QAOA has been the subject of intense study over recent years, yet the corresponding Dynamical Lie Algebra (DLA)--a key indicator of the expressivity and trainability of VQAs--remains poorly understood beyond highly symmetric instances. An exponentially scaling DLA dim... | https://arxiv.org/abs/2512.24577 | Academic Papers | svg |
0c4339aa963437bfb22910249d85566fc5b4ff80cc0199e31df757d6e5a44cae | 2026-01-01T00:00:00-05:00 | Hidden rotation symmetry of the Jordan-Wigner transformation and its application to measurement in quantum computation | arXiv:2512.24589v1 Announce Type: new Abstract: Using a global rotation by theta about the z-axis in the spin sector of the Jordan-Wigner transformation rotates Pauli matrices X and Y in the x-y-plane, while it adds a global complex phase to fermionic quantum states that have a fixed number of particles. With the right... | https://arxiv.org/abs/2512.24589 | Academic Papers | svg |
294a3685fe2cc85d386a4485d6b63f793d7138eedf1ead533a47e5feacb4ce42 | 2026-01-01T00:00:00-05:00 | Variance Decomposition in Bohmian Mechanics with Weak Actual Value Field and Quantum Potential | arXiv:2512.24664v1 Announce Type: new Abstract: We introduce a trajectory-based decomposition of quantum variances within Bohmian mechanics. By extending the weak actual value to a field on configuration space, we prove, under strong regularity conditions for stationary bound states, that the standard quantum variance ... | https://arxiv.org/abs/2512.24664 | Academic Papers | svg |
ed0483c6fe8f3cafcadc6f350eb92155735bc3f3e2d2825e756dc26eb6f15f9c | 2026-01-01T00:00:00-05:00 | A fast and exact algorithm for stabilizer R\'enyi entropy via XOR-FWHT | arXiv:2512.24685v1 Announce Type: new Abstract: Quantum advantage is widely understood to rely on key quantum resources beyond entanglement, among which nonstabilizerness (quantum ``magic'') plays a central role in enabling universal quantum computation. However, a direct brute-force enumeration of all Pauli strings an... | https://arxiv.org/abs/2512.24685 | Academic Papers | svg |
6641d129923da0ad4707a9616b4e2a98f751d984d1a61b5f733e5a0e0bcf2414 | 2026-01-01T00:00:00-05:00 | Interfacing Atomic Spins with Photons for Quantum Metrology, Simulation and Computation | arXiv:2512.24705v1 Announce Type: new Abstract: These lecture notes discuss applications of atom-light interactions in cavities to quantum metrology, simulation, and computation. A focus is on nonlocally interacting spin systems realized by coupling many atoms to a delocalized mode of light. We will build up from the f... | https://arxiv.org/abs/2512.24705 | Academic Papers | svg |
632a6d1b79fb674bf4c0506a42b927271cb1770cb68001a758c7e60fc66bb695 | 2026-01-01T00:00:00-05:00 | Continuous-variable quantum key distribution network based on entangled states of optical frequency combs | arXiv:2512.24718v1 Announce Type: new Abstract: Continuous-variable quantum key distribution (CVQKD) features a high key rate and compatibility with classical optical communication. Developing expandable and efficient CVQKD networks will promote the deployment of large-scale quantum communication networks in the future... | https://arxiv.org/abs/2512.24718 | Academic Papers | svg |
7f81d113f4039e3c8345171a72c28e5647bd9eb461492f1e065e27b86d8adace | 2026-01-01T00:00:00-05:00 | Easier randomizing gates provide more accurate fidelity estimation | arXiv:2512.24744v1 Announce Type: new Abstract: Accurate benchmarking of quantum gates is crucial for understanding and enhancing the performance of quantum hardware. A standard method for this is interleaved benchmarking, a technique which estimates the error on an interleaved target gate by comparing cumulative error... | https://arxiv.org/abs/2512.24744 | Academic Papers | svg |
01ce03f650b47b3d9371a512a164e60985b45e6519e37958cfd261290146e7e3 | 2026-01-01T00:00:00-05:00 | Quadratic Continuous Quantum Optimization | arXiv:2512.24759v1 Announce Type: new Abstract: Quantum annealers can solve QUBO problems efficiently but struggle with continuous optimization tasks like regression due to their discrete nature. We introduce Quadratic Continuous Quantum Optimization (QCQO), an anytime algorithm that approximates solutions to unconstra... | https://arxiv.org/abs/2512.24759 | Academic Papers | svg |
28eae011d20270703767c6e6a9a90acae0fca05210332e77f583a5101c670852 | 2026-01-01T00:00:00-05:00 | Harmonic rigidity at fixed spectral gap in one dimension | arXiv:2512.24790v1 Announce Type: new Abstract: We solve the static isoperimetric problem underlying the Mandelstam-Tamm bound. Among one-dimensional confining potentials with a fixed spectral gap, we prove that the harmonic trap is the unique maximizer of the ground-state position variance. As a consequence, we obtain... | https://arxiv.org/abs/2512.24790 | Academic Papers | svg |
17884bad543220901d5be9922fb39c49531f119711dbcbaa340be9f605672333 | 2026-01-01T00:00:00-05:00 | Non-Abelian Geometric Phases in Triangular Structures And Universal SU(2) Control in Shape Space | arXiv:2512.24798v1 Announce Type: new Abstract: We construct holonomic quantum gates for qubits that are encoded in the near-degenerate vibrational $E$-doublet of a deformable three-body system. Using Kendall's shape theory, we derive the Wilczek--Zee connection governing adiabatic transport within the $E$-manifold. We... | https://arxiv.org/abs/2512.24798 | Academic Papers | svg |
b03054b5091f3c0608f195c3d5e81d218a728468b10c705fe2b32ba01b5034b3 | 2026-01-01T00:00:00-05:00 | Operator Entanglement from Non-Commutative Symmetries | arXiv:2512.24806v1 Announce Type: new Abstract: We argue that Hopf-algebra deformations of symmetries -- as encountered in non-commutative models of quantum spacetime -- carry an intrinsic content of $operator$ $entanglement$ that is enforced by the coproduct-defined notion of composite generators. As a minimal and exa... | https://arxiv.org/abs/2512.24806 | Academic Papers | svg |
142078720fc876b204f72ffb70144049ad46d6ba189db6819352c72ff4074d57 | 2026-01-01T00:00:00-05:00 | Unsupervised Topological Phase Discovery in Periodically Driven Systems via Floquet-Bloch State | arXiv:2512.24822v1 Announce Type: new Abstract: Floquet engineering offers an unparalleled platform for realizing novel non-equilibrium topological phases. However, the unique structure of Floquet systems, which includes multiple quasienergy gaps, poses a significant challenge to classification using conventional analy... | https://arxiv.org/abs/2512.24822 | Academic Papers | svg |
e8ade46e842a21b4a9dbf02f151a2c8f8c000319062b79f94704444a4b724c79 | 2026-01-01T00:00:00-05:00 | Role reversal in quantum Mpemba effect | arXiv:2512.24839v1 Announce Type: new Abstract: We investigate the quantum Mpemba effect in a dissipative Dicke model, which consists of a spin-1/2 ensemble coupled to a bosonic mode, which in turn is coupled to a bosonic bath. We derive a sufficient criterion for occurrence of the quantum Mpemba effect, characterized ... | https://arxiv.org/abs/2512.24839 | Academic Papers | svg |
70ec55eb89eda8513719d8c96767ebce5ac22e8b9702772f6b79e25d01509975 | 2026-01-01T00:00:00-05:00 | Probing quantum-coherent dynamics with free electrons | arXiv:2512.24883v1 Announce Type: new Abstract: Recent advances in time-resolved cathodoluminescence have enabled ultrafast studies of single emitters in quantum materials with femtosecond temporal resolution. Here, we develop a quantum theory modeling the dynamics of free electrons interacting with quantum emitters in... | https://arxiv.org/abs/2512.24883 | Academic Papers | svg |
18c5af1c72babb471383a25efd5aeaf40e8b47bf6a2b1278f97170766403188a | 2026-01-01T00:00:00-05:00 | Quantumness of hybrid systems under quantum noise | arXiv:2512.24884v1 Announce Type: new Abstract: We investigate the quantum correlations in an axially symmetric hybrid qubit-qutrit system subjected to different noisy environments. We first introduce a physical model and analyze its Hamiltonian structure, emphasizing the role of hybrid dimensionality and axial symmetr... | https://arxiv.org/abs/2512.24884 | Academic Papers | svg |
b0f9cfd653871b7a9f658cd41f02fabcbcad7aca7b99ab93ace5133ba3c09f8d | 2026-01-01T00:00:00-05:00 | High-performance quantum interconnect between bosonic modules beyond transmission loss constraints | arXiv:2512.24926v1 Announce Type: new Abstract: Distributed quantum computing architectures require high-performance quantum interconnects between quantum information processing units, while previous implementations have been fundamentally limited by transmission line losses. Here, we demonstrate a low-loss interconnec... | https://arxiv.org/abs/2512.24926 | Academic Papers | svg |
21a8ad05af529925e46c74b56871786aac65e699df1ae03ef85072ec95a6738a | 2026-01-01T00:00:00-05:00 | Multi-particle quantum systems within the Worldline Monte Carlo formalism | arXiv:2512.24942v1 Announce Type: new Abstract: We extend the Worldline Monte Carlo approach to computationally simulating the Feynman path integral of non-relativistic multi-particle quantum-mechanical systems. We show how to generate an arbitrary number of worldlines distributed according to the (free) kinetic part o... | https://arxiv.org/abs/2512.24942 | Academic Papers | svg |
8f98680777a7a4a6cef1b8b5663b231bce3316ff70f9e0fd22c466e3080e8d17 | 2026-01-01T00:00:00-05:00 | The uncertainty constants: A unified framework of two, three and four observables | arXiv:2512.24950v1 Announce Type: new Abstract: Uncertainty is a fundamental and important concept in quantum mechanics. Recent works have revealed both the product and sum forms of uncertainty constants for three observables. Such a result is intimately to the properties of Pauli operators. In this work, using the tec... | https://arxiv.org/abs/2512.24950 | Academic Papers | svg |
f02e078533f6fa8d2e32030e34a476172cee57fc5e8951d8cf2ef8f1804a4a1f | 2026-01-01T00:00:00-05:00 | Laser intracavity absorption magnetometry for optical quantum sensing | arXiv:2512.24951v1 Announce Type: new Abstract: Intracavity absorption spectroscopy (ICAS) is a well-established technique for detecting weak absorption signals with ultrahigh sensitivity. Here, we extend this concept to magnetometry using nitrogen-vacancy (NV) centers in diamond. We introduce laser intracavity absorpt... | https://arxiv.org/abs/2512.24951 | Academic Papers | svg |
84f43db26aa96a893c1a96a87107ba8f841ececef33c26438867675dbce0e585 | 2026-01-01T00:00:00-05:00 | Matrix Thermodynamic Uncertainty Relation for Non-Abelian Charge Transport | arXiv:2512.24956v1 Announce Type: new Abstract: Thermodynamic uncertainty relations (TURs) bound the precision of currents by entropy production, but quantum transport of noncommuting (non-Abelian) charges challenges standard formulations because different charge components cannot be monitored within a single classical... | https://arxiv.org/abs/2512.24956 | Academic Papers | svg |
c1bb7f39b03051772fa6d99f25731fc861fa727bcdc05cc1e701918e771182a5 | 2026-01-01T00:00:00-05:00 | GEQIE Framework for Rapid Quantum Image Encoding | arXiv:2512.24973v1 Announce Type: new Abstract: This work presents a Python framework named after the General Equation of Quantum Image Encoding (GEQIE). The framework creates the image-encoding state using a unitary gate, which can later be transpiled to target quantum backends. The benchmarking results, simulated wit... | https://arxiv.org/abs/2512.24973 | Academic Papers | svg |
73218a10bda1e037e362e701c6856e62d6ca62e1e6d6f0f788c1a918d6600d24 | 2026-01-01T00:00:00-05:00 | Lindbladian PT phase transitions | arXiv:2512.24981v1 Announce Type: new Abstract: A parity-time (PT) transition is a spectral transition characteristic of non-Hermitian generators; it typically occurs at an exceptional point, where multiple eigenvectors coalesce. The concept of a PT transition has been extended to Markovian open quantum systems, which ... | https://arxiv.org/abs/2512.24981 | Academic Papers | svg |
8cd3afabb100ae5777029fceeb27446274b8de83ea5d984c5a664aec364ee074 | 2026-01-01T00:00:00-05:00 | Any Clifford+T circuit can be controlled with constant T-depth overhead | arXiv:2512.24982v1 Announce Type: new Abstract: Since an n-qubit circuit consisting of CNOT gates can have up to $\Omega(n^2/\log{n})$ CNOT gates, it is natural to expect that $\Omega(n^2/\log{n})$ Toffoli gates are needed to apply a controlled version of such a circuit. We show that the Toffoli count can be reduced to... | https://arxiv.org/abs/2512.24982 | Academic Papers | svg |
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