Digital quantum simulators in a scalable architecture of hybrid spin-photon qubits

被引：28

作者：

Chiesa, Alessandro ^{[1
]}

Santini, Paolo ^{[1
]}

Gerace, Dario ^{[2
]}

Raftery, James ^{[3
]}

Houck, Andrew A. ^{[3
]}

Carretta, Stefano ^{[1
]}

机构：

[1] Univ Parma, Dipartimento Fis & Sci Terra, I-43124 Parma, Italy

[2] Univ Pavia, Dipartimento Fis, I-27100 Pavia, Italy

[3] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA

来源：

SCIENTIFIC REPORTS | 2015年 / 5卷

关键词：

ALGORITHMS; CIRCUITS; MODELS;

D O I：

10.1038/srep16036

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Resolving quantum many-body problems represents one of the greatest challenges in physics and physical chemistry, due to the prohibitively large computational resources that would be required by using classical computers. A solution has been foreseen by directly simulating the time evolution through sequences of quantum gates applied to arrays of qubits, i.e. by implementing a digital quantum simulator. Superconducting circuits and resonators are emerging as an extremely promising platform for quantum computation architectures, but a digital quantum simulator proposal that is straightforwardly scalable, universal, and realizable with state-of-the-art technology is presently lacking. Here we propose a viable scheme to implement a universal quantum simulator with hybrid spin-photon qubits in an array of superconducting resonators, which is intrinsically scalable and allows for local control. As representative examples we consider the transverse-field Ising model, a spin-1 Hamiltonian, and the two-dimensional Hubbard model and we numerically simulate the scheme by including the main sources of decoherence.

引用

页数：14

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