Shining a Light on the Unknown: First Results from the ALPS II Experiment
The ALPS II collaboration details the rigorous calibration and uncertainty analysis underpinning its search for new physics beyond the Standard Model.
Science
Time’s Entangled Web: Exploring Holographic Connections
![The study reveals that the imaginary component of pseudo-entropy [latex]Sp^{I}_{pA} [/latex] exhibits opposing behaviors contingent upon the sign of the anisotropy parameter [latex]\Delta_{y} [/latex], demonstrated through variations in [latex]\beta|\Delta| [/latex] at [latex]\beta = 10 [/latex] with [latex]\delta_{x} [/latex] and [latex]\delta_{y} [/latex] set to specific values, suggesting a fundamental sensitivity within the system to directional asymmetry.](https://arxiv.org/html/2601.17810v1/x2.png)
New research delves into how quantum entanglement evolves in time within complex systems, offering insights into the emergence of time itself.
Hunting Hidden Particles at CERN
A new study details how relatively simple upgrades to the SPS at CERN could dramatically expand the search for feebly interacting particles beyond the Standard Model.
Beyond Encryption: Securing Data in a Quantum World
This review explores the evolving landscape of cryptographic algorithms designed to withstand the threat of quantum computers.
Beyond the Standard Model: Hunting for Lepton Number Violation
![Lepton number violating (LNV) operators effectively suppress the primordial baryon asymmetry, as demonstrated by constraints derived from [latex]B^{+}\to K^{+}\nu\nu decay[/latex] and [latex]0\nu\beta\beta decay[/latex], with regions corresponding to [latex]\eta\_{B}=6.14\times 10^{-{10}}[/latex] delineating the extent of this suppression-particularly evident in scenarios where neutrino masses are primarily explained by dimension-7 LNV operators.](https://arxiv.org/html/2601.16422v1/x4.png)
A new study explores the potential for observing subtle signs of physics beyond the Standard Model through rare decays of B and K mesons.
Does Charge Fall Like Mass?
A new theoretical model challenges the long-held assumption that gravity is indifferent to electric charge, predicting a measurable force dependent on charge-to-mass ratio.
Unveiling Hidden Order at the Edge: Criticality in the Quantum Ashkin-Teller Model
![The study of conformal towers within the Ashkin-Teller model, under [latex]A - h^z[/latex] boundary conditions at [latex]\lambda = 0.2[/latex] and [latex]\lambda = 0.7071[/latex], reveals level crossings at [latex]h^z = \pm \lambda[/latex]-points corresponding to [latex]d\theta[/latex]-as evidenced by finite-size DMRG data extrapolated to the thermodynamic limit, suggesting a critical sensitivity to boundary conditions within the system.](https://arxiv.org/html/2601.16951v1/x14.png)
New research explores the fascinating boundary behavior of a quantum system, revealing a complex landscape of phases and transitions.
Beyond Alignment: Exploring Exotic Magnetism on the Maple Leaf Lattice
![The study of the maple leaf lattice reveals three distinct antiferromagnetic orderings-canted-120°, q=0, and q=M-emerging from the interplay of nearest and second-neighbor exchange couplings [latex]J_r[/latex] along lattice vectors h, t, d, and d', demonstrating a nuanced relationship between geometric frustration and magnetic alignment.](https://arxiv.org/html/2601.16807v1/x1.png)
A new theoretical study delves into the fascinating world of altermagnetic materials, revealing unconventional spin arrangements and potential for novel quantum effects.
The Ghost in the Standard Model: Tracking the Light Dilaton
A new theoretical framework details the interactions of the dilaton, a potential particle arising from broken scale invariance, with known Standard Model particles.
Predicting the Unpredictable: AI Models Chart New Chemical Territory
Researchers have developed a new approach to training artificial intelligence models to accurately predict the transition states of chemical reactions, even for previously unseen molecules and complex systems.