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quant-ph2009★ 21 cited
Quantum Data Bus in Dipolar Coupled Nuclear Spin Qubits
Jingfu Zhang, Michael Ditty, Daniel Burgarth +6
We implement an iterative quantum state transfer exploiting the natural dipolar couplings in a spin chain of a liquid crystal NMR system. During each iteration a finite part of the…
quant-ph2008★ 97 cited
Direct observation of quantum criticality in Ising spin chains
Jingfu Zhang, Fernando M. Cucchietti, C. M. Chandrashekar +6
We use NMR quantum simulators to study antiferromagnetic Ising spin chains undergoing quantum phase transitions. Taking advantage of the sensitivity of the systems near criticality…