Polynomial-time simulation of pairing models on a quantum computer

被引:83
|
作者
Wu, LA [1 ]
Byrd, MS [1 ]
Lidar, DA [1 ]
机构
[1] Univ Toronto, Chem Phys Theory Grp, Toronto, ON M5S 3H6, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
D O I
10.1103/PhysRevLett.89.057904
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We propose a polynomial-time algorithm for simulation of the class of pairing Hamiltonians, e.g., the BCS Hamiltonian, on an NMR quantum computer. The algorithm adiabatically finds the low-lying spectrum in the vicinity of the gap between the ground and the first excited states and provides a test of the applicability of the BCS Hamiltonian to mesoscopic superconducting systems, such as ultrasmall metallic grains.
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页数:4
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