256 citations · 780 across the 30 of their papers we have counts for
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quant-ph2008★ 32 cited
Entanglement, Berry Phases, and Level Crossings for the Atomic Breit-Rabi Hamiltonian
Sangchul Oh, Zhen Huang, Uri Peskin +1
The relation between level crossings, entanglement, and Berry phases is investigated for the Breit-Rabi Hamiltonian of hydrogen and sodium atoms, describing a hyperfine interaction…
quant-ph2008★ 18 cited
Quantum phase transitions, entanglement, and geometric phases of two qubits
Sangchul Oh
The relation between quantum phase transitions, entanglement, and geometric phases is investigated with a system of two qubits with XY type interaction. A seam of level crossings o…