Hunting Sub-GeV Dark Matter with Superfluid Helium

A new analysis details the projected reach of the QUEST-DMC experiment in the search for light dark matter particles interacting with terrestrial detectors.

A new analysis details the projected reach of the QUEST-DMC experiment in the search for light dark matter particles interacting with terrestrial detectors.
New research explores how continuous symmetries manifest in holographic systems, revealing a deep connection between boundary operators and the dynamics of branes in anti-de Sitter space.
![The study quantifies the Lüscher term’s contribution to potential energy-a finite-size effect in lattice gauge theory-across varying lattice widths [latex]N_x[/latex] of 55, 44, and 33, demonstrating its dependence on the string tension σ and a constant [latex]c[/latex], calculated as the difference between the potential [latex]V(N_y)[/latex] and [latex]σ N_y[/latex].](https://arxiv.org/html/2602.23213v1/2602.23213v1/x64.png)
Researchers have successfully simulated a complex quantum system, providing new insights into the behavior of non-Abelian gauge theories in two dimensions.
![Through manipulation of microwave fields, polar molecules exhibit a deformed Fermi surface-an ellipsoidal momentum distribution elongated along attractive interaction axes and counteracted by kinetic pressure-with the degree of deformation, quantified by [latex]\Delta_{xy}=\sigma_{x}/\sigma_{y}-1[/latex], predictably modulated by ellipticity and Rabi frequency, and visualized through analysis of absorption images revealing quadrupolar deformation residuals when compared to circular fits and rotated copies of the molecular cloud.](https://arxiv.org/html/2602.22447v1/2602.22447v1/x1.png)
Researchers have directly observed how interactions between ultracold polar molecules can be used to reshape the fundamental quantum properties of a gas, opening new avenues for exploring exotic states of matter.
[/latex], suggesting an inherent architectural constraint on neural signaling regardless of species or recording method.](https://arxiv.org/html/2602.22605v1/2602.22605v1/x1.png)
New research reveals a surprising connection between the fundamental laws of physics and the process of drawing conclusions from data.

Researchers have demonstrated a passively switching temporal metamaterial capable of efficiently absorbing electromagnetic waves, offering a simplified alternative to conventional impedance matching techniques.
New research confirms predictions of E11 exceptional field theory by establishing a framework for understanding the deeper relationships within eleven-dimensional supergravity.
![The progression from localized [latex]4f[/latex] orbitals in TmTe3, through extended [latex]4f[/latex] behavior in CeTe3, to fully extended [latex]5f[/latex] orbitals in β-UTe3 demonstrates a systematic evolution towards the Kondo regime, confirmed by structural analysis revealing van der Waals gaps and tight-binding calculations showing the suppression of nesting at the Fermi level-a characteristic substantiated by scanning tunneling microscopy identifying tellurium and uranium sub-lattices and associated periodicities, even in the presence of vacancies.](https://arxiv.org/html/2602.22451v1/2602.22451v1/x1.png)
New research reveals how the Kondo effect fundamentally alters the electronic structure of β-UTe3, a promising heavy-fermion compound.
![The study confirms the predicted asymptotic behavior of the Stokes constants derived from FZZT contributions, as demonstrated by perfect agreement between the sequence defined in [latex] (5.27) [/latex] and its initial three Richardson transforms.](https://arxiv.org/html/2602.22335v1/2602.22335v1/x29.png)
New research leverages resurgent computations and matrix models to explore the subtle, non-perturbative behavior of string theory in three dimensions.
![The energy spectrum of the Klein-Gordon oscillator bifurcates into positive and negative branches-[latex]E_{N}^{(+)}[/latex] and [latex]E_{N}^{(-)}[/latex]-and its deformation via different DSR implementations-including standard AC/MS and generalized forms in first-order expansions-demonstrates how foundational energy relationships, such as [latex]E_{N}^{(0)}=\pm\sqrt{m^{2}c^{4}+2mc^{2}\hbar\omega\,N}[/latex], are not absolute but rather malleable properties contingent on the underlying systemic structure, where [latex]N\in\mathbb{N}_{0}[/latex] represents a non-negative integer defining the oscillator’s state.](https://arxiv.org/html/2602.22444v1/2602.22444v1/Fig_energy_levels.png)
New research explores how the fundamental limits of spacetime, as predicted by Doubly Special Relativity, alter the energy levels of a quantum harmonic oscillator in three dimensions.