scholarly journals Simultaneous Feedback and Feedforward Control and Its Application to Realize a Random Walk on the Bloch Sphere in an Xmon-Superconducting-Qubit System

2020 ◽  
Vol 14 (1) ◽  
Author(s):  
Liang Xiang ◽  
Zhiwen Zong ◽  
Zhenhai Sun ◽  
Ze Zhan ◽  
Ying Fei ◽  
...  
Keyword(s):  
Random Walk ◽  
Feedforward Control ◽  
Bloch Sphere ◽  
Superconducting Qubit ◽  
Qubit System

scholarly journals Entanglement of Two-Superconducting-Qubit System Coupled with a Fixed Capacitor

2011 ◽  
Vol 28 (5) ◽  
pp. 050308 ◽  
Author(s):  
Li-Jun Tian ◽  
Li-Guo Qin ◽  
Hong-Biao Zhang
Keyword(s):  
Superconducting Qubit ◽  
Qubit System

scholarly journals Simulating the Kibble-Zurek mechanism of the Ising model with a superconducting qubit system

2016 ◽  
Vol 6 (1) ◽  
Author(s):  
Ming Gong ◽  
Xueda Wen ◽  
Guozhu Sun ◽  
Dan-Wei Zhang ◽  
Dong Lan ◽  
...  
Keyword(s):  
Ising Model ◽  
Superconducting Qubit ◽  
Qubit System

scholarly journals Optimization of a Controlled- Z Gate with Data-Driven Gradient-Ascent Pulse Engineering in a Superconducting-Qubit System

2021 ◽  
Vol 15 (6) ◽  
Author(s):  
Zhiwen Zong ◽  
Zhenhai Sun ◽  
Zhangjingzi Dong ◽  
Chongxin Run ◽  
Liang Xiang ◽  
...  
Keyword(s):  
Data Driven ◽  
Superconducting Qubit ◽  
Gradient Ascent ◽  
Qubit System

Control of the quantum interference in a superconducting qubit system

2013 ◽  
Vol 114 (16) ◽  
pp. 164902
Author(s):  
Hao Ying ◽  
Da-Wei Luo ◽  
Jing-Bo Xu
Keyword(s):  
Quantum Interference ◽  
Superconducting Qubit ◽  
Qubit System

Dysarthria Profiles in Adults With Hereditary Ataxia

2019 ◽  
Vol 28 (2S) ◽  
pp. 915-924 ◽  
Author(s):  
Kristie A. Spencer ◽  
Mallory Dawson
Keyword(s):  
Rating Scales ◽  
Feedforward Control ◽  
Hereditary Ataxia ◽  
Severity Rating ◽  
Visual Analog Scales ◽  
Speech Characteristics ◽  
Ataxic Dysarthria ◽  
Preliminary Study

Purpose This preliminary study examined whether speech profiles exist for adults with hereditary ataxia based on 2 competing frameworks: a pattern of instability/inflexibility or a pattern of differential subsystem involvement. Method Four dysarthria experts rated the speech samples of 8 adults with dysarthria from hereditary ataxia using visual analog scales and presence/severity rating scales of speech characteristics. Speaking tasks included diadochokinetics, sustained phonation, and a monologue. Results Speech profiles aligned with the instability/inflexibility framework, with the pattern of instability being the most common. Speech profiles did not emerge for the majority of speakers using the differential subsystem framework. Conclusions The findings extend previous research on pure ataxic dysarthria and suggest a possible framework for understanding the speech heterogeneity associated with the ataxias. The predominance of the instability profile is consistent with the notion of impaired feedforward control in speakers with cerebellar disruption.

Elements of the Random Walk

2004 ◽  
Author(s):  
Joseph Rudnick ◽  
George Gaspari
Keyword(s):  
Random Walk
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