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Accurate hyperfine tensors for solid state quantum applications: case of the NV center in diamond

Physics

Accurate hyperfine tensors for solid state quantum applications: case of the NV center in diamond

I. Takács and V. Ivády

This groundbreaking research by István Takács and Viktor Ivády delves into the hyperfine parameters of the nitrogen-vacancy center in diamond, revealing significant inaccuracies in conventional computation methods. Their innovative real-space integration approach improves the accuracy to an astounding 1%, paving the way for precise quantum computing applications.

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Playback language: English
Abstract
This paper investigates the accuracy of computed hyperfine parameters for the nitrogen-vacancy (NV) center in diamond, crucial for quantum computing applications. The authors demonstrate that standard first-principles methods yield significant errors (over 100% relative error) for distant nuclear spins. To address this, they implement a real-space integration method, significantly improving accuracy to a mean absolute relative error of 1% at all distances. This improved accuracy enables high-precision simulations of NV quantum nodes and precise nuclear spin positioning.
Publisher
Communications Physics
Published On
Jun 04, 2024
Authors
István Takács, Viktor Ivády
Tags
nitrogen-vacancy center
diamond
quantum computing
hyperfine parameters
real-space integration
nuclear spins
accuracy

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