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AND Gate - Astrophysics Data System

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Last Updated: 03 August 2022

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Gate fidelity, dephasing, and "magic" trapping of optically trapped neutral atom

The applications' fidelity and coherence time of neutral atoms trapped in an optical dipole trap are two points of merit for the applications. The trapped atom's motion is one of the key factors that influence gate fidelity and coherence time. Here we explore the atom's motion as a quantum oscillator. In evaluating the gate fidelity and decoherence, the atom's population is considered. The fidelity of a coherent rotation gate is severely limited by the temperature of a thermally trapped atom. The dephasing of the two hyperfine states due to the atom's thermal movement could happen naturally, but the vibrational states do not change, and the thermodynamic states do not change. The decoherence caused by trap laser intensity fluctuations is also discussed.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220800729Y/abstract


giMLPs: Gate with Inhibition Mechanism in MLPs

This paper introduces a new model architecture, gate with inhibition MLP, in addition to the ImageNet classification test, but it also improves the BERT, Roberta, and DeBERTaV3 models based on two novel techniques. We find that the giCycleMLP with a lower inhibition level can be comparable to the original CycleMLP in terms of ImageNet classification accuracy. We also found that the activation function with Gate With Inhibition should have a short and smooth negative tail, with which the unimportant features or the functions that hurt models can be marginally restricted. The experiments on ImageNet and twelve language downstream tasks show the success of Gate With Inhibition, both for image classification and for increasing the capacity of nature language fine-tuning without additional preparation.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220800929K/abstract


Robust Two-Qubit Gates Using Pulsed Dynamical Decoupling

A pulsed dynamic decoupling procedure is used to the ions' carrier transitions only, resulting in an RF-driven gate. This laser-free gate can also be used to build a Bell state. The phase gate is robust against common sources of error. We look at the effects of the excitation of the center-of-mass mode, errors in the axial trap frequency, pulse area measurements, and sequencing timing mismatches. The phase gate comparison is not significantly reduced when compared to a COM mode excitation <20 phonons, trap frequency variations of +10%, and pulse area errors of -8%. The phase change is not significantly affected by <10 phonons and pulse area variations of -2 percent. Both comparison and phase shift are highly susceptible to timing errors of up to -30 percent and +15%. In addition, it holds the ability of quick gate speeds by using two axial motional modes of a two-ion crystal through improved configurations.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220800187B/abstract


Electricity Price Forecasting Model based on Gated Recurrent Units

Consumer and producer participation in demand response services has risen in smart grids, which reduces investment and operation costs of power systems. In addition, with the emergence of renewable energy sources, the electricity market is becoming more complex and volatile. For producers in the electricity market, forecasting the future price of electricity is extremely important for developers. To properly implement demand response services, forecasting the future price of electricity is very important for producers. Consequently, an adaptive noise reducer is integrated into the noise reduction scheme. The results on real data show that the proposed strategy would work well in predicting electricity price forecasts.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220714225R/abstract


Dynamics of qudit gates and effects of spectator modes on optimal control pulses

Numerical quantum computation algorithms can be synthesised with high accuracy by using Qudit gates for high-dimensional quantum computation. As a demonstration case, we take pulses for single-qudit SWAP gates optimized in isolation and then apply them in the presence of spectator modes, all of which are located in Fock states. In the presence of occupied spectator modes, our results indicate that frequency shift from spectator mode populations to 2̆2720. 1 of the qudit's nonlinearity in order for high-fidelity single-qudit gates to be highly effective in the presence of occupied spectator modes.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220714006B/abstract


PencilNet: Zero-Shot Sim-to-Real Transfer Learning for Robust Gate Perception in Autonomous Drone Racing

One of the main challenges in autonomous and mobile robotics is a strong on-the-fly knowledge of the climate, which is often obscure and dynamic, as in autonomous drone racing. PencilNet, a new deep neural network-based perception system for racing gate detection based on a thin neural network backbone on top of a pencil filter, is included in this report. We show that our approach is safe for zero-shot sim-to-real transfer instruction that does not need any real-world training samples.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220714131P/abstract


HorNet: Efficient High-Order Spatial Interactions with Recursive Gated Convolutions

The latest spatial modeling system based on dot-product self-attention shows great success in several tasks, owing to the new spatial planning system based on dot-product self-attention. We present the Recursive Gated Convolution, which achieves high-order spatial interactions with gated convolutions and recursive designs. HorNet outperforms Swin Transformers and ConvNeXt by a substantial margin in terms of general architecture and training configurations, according to extensive experiments on ImageNet classification, COCO object detection, and ADE20K semantic segmentation. HorNet also shows scalability with more training data and a larger model number, as shown by HorNet. g^n Conv is a robust decoder that can be used to task-specific decoders and consistently improve dense prediction performance with less computation, as well as the effectiveness in visual encoders. Our findings show that g^n Conv is a new basic module for visual modeling that effectively blends the merits of both vision Transformers and CNNs.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220714284R/abstract


An Automated Testing and Debugging Toolkit for Gate-Level Logic Synthesis Applications

We introduce fuzz testing and delta debugging techniques in this paper and tailor them for gate-level netlists commonly used in logic synthesis. Our toolkit extends over similar solutions built for the AIGER style by including other gate-level netlist layouts and enabling tight integration to deliver 10x speed-up. With tenx smaller testcases and our testcase minimizer extracts minimal failure-inducing cores using 2x fewer oracle calls, our experimental findings reveal that our fuzzer detects defects in mockturtle, ABC, and LSOracle.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220713487L/abstract


Inferring origin-destination distribution of agent transfer in a complex network using deep gated recurrent units

Predicting the origin-destination probability of agent transfer is an important issue in implementing complex networks. To close the void, we suggest a deep neural network framework with gated recurrent units. We use it to see how network topologies influence OD prediction accuracy, where success enhancements are shown to vary between paths taken by various ODs.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220713375S/abstract


Highly sensitive and stable β-Ga 2 O 3 DUV phototransistor with local back-gate structure and its neuromorphic application

High-performance u03b2-Ga 2 O 3 phototransistors with local back-gate assembly were experimentally demonstrated in order to further enhance the photodetectors' responsivity in present work. Moreover, the hexagonal boron nitride//u03b2-Ga 2 O 3 phototransistor, as a photonic synapse with ultralow power consumption of 9. 6 fJ per spike, demonstrating its capability for neuromorphic computing tasks such as facial recognition. This u03b2-Ga 2 O 3 phototransistor gives a look at the next generation optoelectrical systems.

Source link: https://ui.adsabs.harvard.edu/abs/2022NaRes.tmp..605L/abstract

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions