A three-parameter family of generalized four-mode squeezed vacuum states exhibits a transient bound-entangled phase under thermal bath noise before separability.
7 This counterintuitive phase of bound entanglement occurs when the next to next modes such as {1, 3} or {2, 4} are sub- jected to a local noisy environment
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Noisy dynamics of Gaussian entanglement: a transient bound entangled phase before separability
A three-parameter family of generalized four-mode squeezed vacuum states exhibits a transient bound-entangled phase under thermal bath noise before separability.