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Showing 2019 · quant-phShow all
3 papers · 2 filters
quant-ph2019★ 56 cited
Optimizing quantum phase estimation for the simulation of Hamiltonian eigenstates
P. M. Q. Cruz, G. Catarina, R. Gautier +1
We revisit quantum phase estimation algorithms for the purpose of obtaining the energy levels of many-body Hamiltonians and pay particular attention to the statistical analysis of…
quant-ph2019★ 17 cited
Singular continuous Cantor spectrum for magnetic quantum walks
C. Cedzich, J. Fillman, T. Geib +1
In this note, we consider a physical system given by a two-dimensional quantum walk in an external magnetic field. In this setup, we show that both the topological structure as wel…
quant-ph2019
Quantum filtering for a two-level atom driven by two counter-propagating photons
Zhiyuan Dong, Guofeng Zhang, Nina H. Amini
The purpose of this paper is to propose quantum filters for a two-level atom driven by two continuous-mode counter-propagating photons and under continuous measurements. Two scenar…