Mapping the Landscape of Correlated Electron Materials
A new computational framework efficiently identifies materials with unique electronic properties by focusing on repeating structural patterns.
Science
Beyond Points: How Constraints Give Rise to Noncommutative Space
New research reveals a deep connection between the mathematics of constrained systems and the emergence of noncommutative geometry in strong gravitational fields.
Black Hole Echoes in Quantum Systems
New research explores how the effects of black hole thermodynamics manifest as measurable changes in the behavior of corresponding quantum field theories.
Mapping the Extreme: A New Approach to Neutron Star Interiors
![The study demonstrates that a Bayesian inversion formula, when applied to parameter estimation-specifically for masses below [latex]1/3M_{max}[/latex]-yields boundaries determined by linear interpolation, while ratios of [latex]\sigma_{prior}[/latex] and [latex]\sigma_{model}[/latex] to [latex]\sigma_{tot}[/latex] reveal the formula’s performance relative to traditional methods, ultimately showcasing a comparative analysis of uncertainty quantification across different Bayesian approaches.](https://arxiv.org/html/2601.04294v1/trad_cp_6.png)
Researchers have developed a novel Bayesian framework to better constrain the equation of state governing the behavior of matter within neutron stars.
Beyond Evaluation: Approximating Meaning in Distant Bang Calculus
A new theory bridges approximation techniques with the subtle semantics of dBang calculus, offering insights into its computational behavior.
Shaping Light with Liquid Crystals: A New Path to Quantum Control
Researchers have demonstrated electrically tunable quantum interference in free space by harnessing the unique properties of liquid-crystal metasurfaces to create a programmable beam splitter for structured light.
Untangling Topology: A Lattice Solution to the Framing Anomaly
![The lattice [latex]TT[/latex] operator exhibits a directional dependence in its corrective terms, where the complementary product of variables [latex]X[/latex] and [latex]Y[/latex] across linked structures-specifically, [latex]X[/latex] on a purple link with [latex]Y[/latex] on an orange triangular plaquette, or [latex]Y[/latex] on a purple square and triangular plaquettes multiplied by [latex]X[/latex] on an orange link-introduces an asymmetry in the lower layer’s corrective calculation.](https://arxiv.org/html/2601.04318v1/plot/cup_0_2_1_x.png)
Researchers have developed a lattice gauge theory model of U(1) Chern-Simons theory, offering a concrete framework to study topological order and resolve long-standing questions about the framing anomaly.
Untangling Interactions in One-Dimensional Fermi Gases
New research combines analytical techniques with lattice simulations to probe the complex behavior of interacting fermions confined to a single dimension.
Designing Experiments: Why Some Methods Fall Flat
![The study demonstrates a shift in optimization strategy for inverse problems, moving from minimization of displacement discrepancy-quantified by [latex]\sum\_{i}\Delta u\_{i}^{2}(\boldsymbol{\epsilon})[/latex]-to minimization of constraint force magnitude, expressed as [latex]\sum\_{i}\lambda\_{i}^{2}(\boldsymbol{\epsilon})[/latex], thereby altering the fundamental objective function governing model parameter estimation.](https://arxiv.org/html/2601.04557v1/stacking.png)
A new analysis reveals the limitations of the Constraint Force Method for optimal experimental design, demonstrating its inherent bias towards measurements in stiff regions.
Untangling Quantum Spin: Engineering and Controlling Spinons with Artificial Fields
Researchers demonstrate a novel method to isolate and dynamically control spinons-fractionalized particles arising in exotic quantum materials-using engineered artificial gauge fields.