Time independent universal computing with spin chains: quantum plinko machine

被引：16

作者：

Thompson, K. F. ^{[1
]}

Gokler, C. ^{[1
]}

Lloyd, S. ^{[2
]}

Shor, P. W. ^{[3
]}

机构：

[1] Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USA

[2] MIT, Dept Mech Engn, Room 3-160,77 Massachusetts Ave, Cambridge, MA 02139 USA

[3] MIT, Dept Math, Room 2-075,77 Massachusetts Ave, Cambridge, MA 02139 USA

来源：

NEW JOURNAL OF PHYSICS | 2016年 / 18卷

基金：

美国国家科学基金会;

关键词：

universal quantum computation; Hamiltonian quantum computing; quantum communication; STATE TRANSFER; COMPUTATION; EFFICIENT; PERFECT;

D O I：

10.1088/1367-2630/18/7/073044

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present a scheme for universal quantum computing using XY Heisenberg spin chains. Information is encoded into packets propagating down these chains, and they interact with each other to perform universal quantum computation. A circuit using g gate blocks on m qubits can be encoded into chains of length O(g(3+delta)m(3+delta)) for all delta > 0 with vanishingly small error.

引用

页数：25

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