Doubly Geometric Quantum Control

Wenzheng Dong

doi:10.1103/PRXQuantum.2.030333

2021-08-24

DOI：10.1103/PRXQuantum.2.030333

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摘要

En 中文

In holonomic quantum computation, quantum gates are performed using driving protocols that trace out closed loops on the Bloch sphere, making them robust to certain pulse errors. However, dephasing noise that is transverse to the drive, which is significant in many qubit platforms, lies outside the family of correctable errors. Here, we present a general procedure that combines two types of geometry-holonomy loops on the Bloch sphere and geometric space curves in three dimensions-to design gates that simultaneously suppress pulse errors and transverse noise errors. We demonstrate this doubly geometric control technique by designing explicit examples of single-qubit and two-qubit dynamically corrected holonomic gates.

Keyword:

BERRY PHASE

SPIN

GATES

IONS

MANIPULATION

DECOHERENCE

COMPUTATION

DYNAMICS

期刊

PRX Quantum

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论文数:

919

被引数:

9.0K

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