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quant-ph2021
Identifying and harnessing dynamical phase transitions for quantum-enhanced sensing
Qingze Guan, Robert J. Lewis-Swan
We use the quantum Fisher information (QFI) to diagnose a dynamical phase transition (DPT) in a closed quantum system, which is usually defined in terms of non-analytic behaviour o…
quant-ph2021★ 23 cited
Magic Conditions for Multiple Rotational States of Bialkali Molecules in Optical Lattices
Q. Guan, S. L. Cornish, S. Kotochigova
We investigate magic-wavelength trapping of ultracold bialkali molecules in the vicinity of weak optical transitions from the vibrational ground state of the X potential to…