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Existing work focused on pre-entangled states or Markovian baths, leaving open whether separable squeezed inputs entangle in structured environments or under modulation. We study two bosonic modes coupled to a common reservoir, each initialized in a separable squeezed vacuum. Dynamics are analyzed utilizing Gaussian covariance methods, evolved under approximate Non-Markovian quantum state diffusion (QSD), finite-temperature pseudomode embeddings, and Bures-","authors_text":"Austen Couvertier, Ting Yu","cross_cats":["physics.optics"],"headline":"Separable squeezed vacuum states generate and control entanglement in structured reservoirs through non-Markovian mechanisms unavailable in Markovian baths.","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-05-14T21:16:38Z","title":"Entanglement Dynamics of Separable Squeezed States in Finite Memory Structured Reservoir"},"references":{"count":81,"internal_anchors":10,"resolved_work":81,"sample":[{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":1,"title":"Zero-Temperature entanglement trajectories We first examine the Markovian limit in which two un- coupled bosonic modes couple symmetrically to a memo- ryless reservoir, with entanglement quantified by","work_id":"724faa3b-e48c-4d4d-a872-660dd4408791","year":null},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":2,"title":"Figure 2 shows that aligned inputs retain nonzero entanglement up to ¯n≈1.5, while weakly orthogonal inputs become separable at ¯n≈0.2","work_id":"ad13460a-5732-4229-958f-883fb61bf73b","year":null},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":3,"title":"Figure 3(a) compares the entan- glement trajectories forγ/κ= 0.5 (blue) andγ/κ= 5 (red)","work_id":"69e72982-7a4e-4d9e-bce0-84e1eff85315","year":null},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":4,"title":"Figure 4 shows the relative de- viation ofE N(κt) as a function of bath occupation ¯n","work_id":"9257b59c-8d2d-4c76-b6e1-47a7006e983b","year":null},{"cited_arxiv_id":"","doi":"","is_internal_anchor":false,"ref_index":5,"title":"Figure 5(a) shows that the entanglement response depends sensitively on detuning","work_id":"adf9ab55-5394-4744-b735-f4415f34d535","year":null}],"snapshot_sha256":"e5273f8892cf54a9add1179b2f8d0560fd42e19caddd195b5a3c472a7c856e17"},"source":{"id":"2605.15426","kind":"arxiv","version":1},"verdict":{"created_at":"2026-05-19T15:02:54.115747Z","id":"5bc9be4e-2574-47fc-941a-971137302bbe","model_set":{"reader":"grok-4.3"},"one_line_summary":"Separable squeezed inputs in finite-memory structured reservoirs produce detuning-locked entanglement freezing, birth-death-revival cycles, and integer-locked beating oscillations that persist with small deviations at cryogenic and moderate temperatures.","pipeline_version":"pith-pipeline@v0.9.0","pith_extraction_headline":"Separable squeezed vacuum states generate and control entanglement in structured reservoirs through non-Markovian mechanisms unavailable in Markovian baths.","strongest_claim":"Three mechanisms absent in Markovian dynamics are identified: a detuning condition that freezes entanglement trajectories across reservoir correlation times; birth, death, and revival of entanglement from orthogonal inputs; and integer-locked beating with square-wave oscillations produced by periodic detuning. 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