论文标题

平行远程状态准备完全独立于设备的可验证盲量量子计算

Parallel remote state preparation for fully device-independent verifiable blind quantum computation

论文作者

Adamson, Sean A.

论文摘要

我们介绍了独立于设备的两杆方案,其中经典验证者可以使用简单的不信任量子测量设备(客户端设备)将量子计算牢固地委派给不信任的量子服务器。为此,我们构建了一个并行的自我测试协议,以执行$ n $ QUBITS的独立于设备的远程状态准备,并与Fitzsimons和Kashefi的无条件安全通用可验证的盲量量计算(VBQC)方案一起组成。修订版A 96,012303(2017)]。我们的自我测试为我们考虑的应用实现了许多理想的属性,从而产生了与设备无关的VBQC。它可以在$ xy $平面中对所有红衣主教和心脏心脏方向进行并行测量,以及计算基础,使用很少的输入问题(用于客户端的$ n $中的大小对数,也需要传达给服务器的常数数字),并且只需要由客户端设备执行单个Qubit测量。

We introduce a device-independent two-prover scheme in which a classical verifier can use a simple untrusted quantum measurement device (the client device) to securely delegate a quantum computation to an untrusted quantum server. To do this, we construct a parallel self-testing protocol to perform device-independent remote state preparation of $n$ qubits and compose this with the unconditionally secure universal verifiable blind quantum computation (VBQC) scheme of Fitzsimons and Kashefi [Phys. Rev. A 96, 012303 (2017)]. Our self-test achieves a multitude of desirable properties for the application we consider, giving rise to practical and fully device-independent VBQC. It certifies parallel measurements of all cardinal and intercardinal directions in the $XY$ plane as well as the computational basis, uses few input questions (of size logarithmic in $n$ for the client and a constant number communicated to the server), and requires only single-qubit measurements to be performed by the client device.

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