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Helena Zhang on Muck Rack

Helena Zhang

As seen in: Medium, Nature, PLOS ONE, American Physical Society, The Stanford Daily, Cherwell, The Ubyssey, RealClear Education, Sad Mag
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Articles

Empirical Learning of Dynamical Decoupling on Quantum Processors

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By Christopher K. Tong, IBM Quantum, Yorktown Heights, Helena Zhang
| American Physical Society
When information leaks from the quantum computer to the environment, it is not irretrievably lost. It is possible to recover information lost due to the system-environment coupling by applying a sequence of carefully chosen control pulses, called dynamical decoupling (DD) pulses, that aim to cancel the effect of noise on the device. Dynamical decoupling pulses are frequently used and demonstrably effective in suppressing errors in programmable quantum computers.
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The Longest Goodbye

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By Helena Zhang
| Cherwell Verified
Oxford. A place where I travelled outward and inward – toward a version of myself I didn’t know was possible. The part I usually kept quiet surfaced. The part beneath everything else. The root. The quiet center. The truest me. The unseen part of me was finally met with quiet understanding. Maybe that’s what let me breathe differently. To become a self that didn’t need to make sense to a world that never reflected me back.
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By Laurie Zawertailo, Helena Zhang, Tarek K. Rajji, Noreen Rahmani
| PLOS ONE
This acknowledgement was excluded from the published manuscript. The correct Acknowledgement section is as follows: The authors wish to acknowledge the in-kind contribution of transcranial direct current stimulation (tDCS) devices and support from Nuraleve Inc., Ottawa, Canada. The following information is missing from the Competing Interests section: tDCS devices and device support are provided by Nuraleve Inc., Ottawa, Canada.
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