First-order coherent quantum Zeno dynamics and its appearance in tight-binding chains

• URL: http://arxiv.org/abs/2312.00180v1
• Date: Thu, 30 Nov 2023 20:43:58 GMT
• Title: First-order coherent quantum Zeno dynamics and its appearance in tight-binding chains
• Abstract summary: We show that coherent QZD can be categorized by orders for the first time, where only the zeroth-order type has been investigated. We construct some chain-like systems described by the tight-binding model which establishes FC-QZD in the form of a surprisingly nonlocal end-to-end population transition.
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• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The coherent quantum Zeno dynamics (QZD) is a special unitary time evolution in which a quantum population transition gets constrained in a subspace of the entire Hilbert space. We show that coherent QZD can be categorized by orders for the first time, where only the zeroth-order type has been well investigated. In this paper, we focus on the little-known first-order coherent QZD (FC-QZD). We also construct some chain-like systems described by the tight-binding model which establishes FC-QZD in the form of a surprisingly nonlocal end-to-end population transition.

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