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New Quantum Gates Enhance Efficiency in Chemical Calculations

10/11/2025

Summary

Researchers Advance Quantum Technology

Researchers from the University of Maryland and Chalmers University demonstrated gates using Rydberg atoms, trapped ions, and superconducting qubits.
This enables autonomous quantum machines with improved coherence and scalability.
Gate-based Path Integral Quantum Control (PiQC) offers a method to optimize circuits, notably for complex chemical calculations.
The work advances progress toward more efficient quantum technologies with potential impacts on quantum chemistry and information processing.

Summary

Researchers Optimize Cryogenic Mobility

Researchers at National Taiwan University and Taiwan Semiconductor Manufacturing Company find that electron mobility in silicon nano-devices at cryogenic temperatures is governed by a competition between remote Coulomb scattering and surface roughness scattering, not phonon scattering.
The study notes that selecting dielectrics such as HfO2 improves gate control but can introduce unwanted scattering, influencing mobility.
Future work will optimize device geometries and dielectric compositions to enhance performance in cryogenic applications.

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Researchers Advance Quantum Technology

Researchers from the University of Maryland and Chalmers University demonstrated gates using Rydberg atoms, trapped ions, and superconducting qubits.
This enables autonomous quantum machines with improved coherence and scalability.
Gate-based Path Integral Quantum Control (PiQC) offers a method to optimize circuits, notably for complex chemical calculations.
The work advances progress toward more efficient quantum technologies with potential impacts on quantum chemistry and information processing.

1 / 2