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quant-ph2010★ 50 cited
Observation of the ground-state-geometric phase in a Heisenberg XY model
Xinhua Peng, Sanfeng Wu, Jun Li +2
Geometric phases play a central role in a variety of quantum phenomena, especially in condensed matter physics. Recently, it was shown that this fundamental concept exhibits a conn…
quant-ph2009★ 1 cited
Implementation of a Quantum-simulation Algorithm of Calculating Molecular Ground-state Energy on an NMR Quantum Computer
Jiangfeng Du, Nanyang Xu, Xinhua Peng +3
It is exponentially hard to simulate quantum systems by classical algorithms, while quantum computer could in principle solve this problem polynomially. We demonstrate such an quan…