wojciechkozlowski.eu/content/publication/2016-07-29---kozlowski---non-hermitian/index.md

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title = "Non-Hermitian dynamics in the quantum Zeno limit"
date = 2016-07-29
authors = ["W. Kozlowski", "S. F. Caballero-Benitez", "I. B. Mekhov"]
publication_types = ["2"]
abstract = "We show that weak measurement leads to unconventional quantum Zeno dynamics with Raman-like transitions via virtual states outside the Zeno subspace. We extend this concept into the realm of non-Hermitian dynamics by showing that the stochastic competition between measurement and a system's own dynamics can be described by a non-Hermitian Hamiltonian. We obtain a solution for ultracold bosons in a lattice and show that a dark state of tunneling is achieved as a steady state in which the observable's fluctuations are zero and tunneling is suppressed by destructive matter-wave interference."
featured = false
publication = "*Physical Review A 94, 012123*"
url_pdf = "https://link.aps.org/doi/10.1103/PhysRevA.94.012123"
url_preprint = "https://arxiv.org/abs/1510.04857"
doi = "10.1103/PhysRevA.94.012123"
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