Research Paper#Quantum Physics, Entanglement, Quantum Criticality🔬 ResearchAnalyzed: Jan 3, 2026 18:56
Entanglement Growth in Quantum Critical Systems
Published:Dec 29, 2025 10:43
•1 min read
•ArXiv
Analysis
This paper investigates entanglement dynamics in fermionic systems using imaginary-time evolution. It proposes a new scaling law for corner entanglement entropy, linking it to the universality class of quantum critical points. The work's significance lies in its ability to extract universal information from non-equilibrium dynamics, potentially bypassing computational limitations in reaching full equilibrium. This approach could lead to a better understanding of entanglement in higher-dimensional quantum systems.
Key Takeaways
- •Proposes a new scaling law for entanglement growth in quantum critical systems.
- •Links entanglement dynamics to the universality class of quantum critical points.
- •Offers a method to extract universal information from non-equilibrium simulations.
- •Potentially circumvents computational bottlenecks in studying quantum systems.
Reference
“The corner entanglement entropy grows linearly with the logarithm of imaginary time, dictated solely by the universality class of the quantum critical point.”