Is the quantum adiabatic theorem consistent?
Du, Jiangfeng · Hu, Lingzhi · Wang, Ya · Wu, Jianda · Zhao, Meisheng · Suter, Dieter
Original · EN
The quantum adiabatic theorem states that if a quantum system starts in an eigenstate of the Hamiltonian, and this Hamiltonian varies sufficiently slowly, the system stays in this eigenstate. We investigate experimentally the conditions that must be fulfilled for this theorem to hold. We show that the traditional adiabatic condition as well as some conditions that were recently suggested are either not sufficient or not necessary. Experimental evidence is presented by a simple experiment using nuclear spins.
English translation
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