New research demonstrates that universal quantum computation is possible using composite quantum systems with specific dimensional properties, bypassing the need for complex, non-standard quantum gates.
![The study demonstrates a clear relationship between disorder and eigenstate characteristics, revealing that increasing disorder transitions systems from delocalized states to Anderson-localized states, with intermediate scarred states appearing at specific energy levels-a progression quantified by the inverse participation ratio [latex]\mathrm{IPR}\_{2}[/latex] and observed within simulations employing parameters [latex]r\_{0}=0.8[/latex], [latex]d=0.03[/latex], [latex]V\_{0}=20[/latex], [latex]a=2[/latex], and [latex]L=5[/latex].](https://arxiv.org/html/2512.20788v1/Figs/noise_vs_energy.png)
New research reveals a surprising interplay between localized and extended states in disordered two-dimensional systems, challenging conventional understanding of wave behavior.
![The protocol distills a target [latex]\rho_{R}(p)[/latex] state from an initial state [latex]\rho_{AB}^{\<i>}[/latex] via an optimized channel, demonstrating that output fidelity and successful distillation probability are directly influenced by the parameter </i>p* within the target state itself.](https://arxiv.org/html/2512.21310v1/fidelity-prob_one_example.png)
New research demonstrates a powerful optimization framework for enhancing entanglement distillation, even when dealing with noisy or weakly connected quantum systems.
![The abrupt loss of electrical resistance in certain metals at cryogenic temperatures, illustrated by the curve’s descent to zero, demonstrates the phenomenon of superconductivity - a state where [latex]R=0[/latex] and current flows unimpeded.](https://arxiv.org/html/2512.20913v1/x1.png)
This review provides a complete guide to superconducting quantum circuits, exploring the physics and engineering behind this leading platform for building a quantum computer.
Researchers have demonstrated a quantum computation method for determining the mass gap of asymptotically free theories, opening new avenues for exploring fundamental particle physics.
A novel framework decomposes quantum states by scale and position to reveal hidden structure and redundancies in complex systems.
Researchers have harnessed the principles of quantum chaos to significantly improve the precision of quantum sensors, bringing them closer to the fundamental limits of measurement.
This review explores how breaking conventional symmetry rules leads to exotic spectral properties and behaviors in a fundamental model of interacting quantum particles.
Researchers have developed a framework for understanding entanglement in complex systems where traditional mathematical structures break down, opening new avenues for exploring gauge theories and beyond.
New research reveals that combining Gaussian measurements can yield surprisingly enhanced precision in parameter estimation, defying traditional expectations.