Entanglement Growth in Quantum Critical Systems
Research Paper#Quantum Physics, Entanglement, Quantum Criticality🔬 Research|Analyzed: Jan 3, 2026 18:56•
Published: Dec 29, 2025 10:43
•1 min read
•ArXivAnalysis
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 / Citation
View Original"The corner entanglement entropy grows linearly with the logarithm of imaginary time, dictated solely by the universality class of the quantum critical point."