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We propose a quantum algorithm for projecting to eigenstates of any hermitian operator, provided one can access the associated control-unitary evolution and measurement of the ancilla of the control. The… Click to show full abstract
We propose a quantum algorithm for projecting to eigenstates of any hermitian operator, provided one can access the associated control-unitary evolution and measurement of the ancilla of the control. The procedure is iterative and the distribution of the projected eigenstates obeys the Born rule. This algorithm can be used as a subroutine in the quantum annealing procedure by measurement to drive the system to the ground state, and we demonstrate its feasibility by simulating the procedure
Keywords:
projection measuring;
quantum algorithm;
spectral projection;
algorithm spectral;
measuring ancilla;
ancilla
Journal Title: Physical Review A
Year Published: 2020
Link to full text (if available)
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Journal Title: Physical Review A
Year Published: 2020
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!