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Generation of Genuine Multipartite Entangled States via Indistinguishability of Identical Particles

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PRXQuantum.5.040350.pdf (2.568Mb)
Identificadores
URI: https://hdl.handle.net/20.500.12761/1920
DOI: 10.1103/PRXQuantum.5.040350
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Autor(es)
Mahdavipour, Kobra; Nosrati, Farzam; Sciara, Stefania; Morandotti, Roberto; Lo Franco, Rosario
Fecha
2024-12-27
Resumen
Indistinguishability of identical particles is a resource for quantum information processing and has been utilized to generate entanglement from independent particles that spatially overlap only at the detection stage. Here, we introduce a controllable scheme capable of generating via three steps, i.e., initialization, deformation, and postselection, different classes of multipartite entangled states starting from a product state of 𝑁��� spatially distinguishable identical qubits. While our scheme is generalizable to any class of entangled bosonic and fermionic systems, we provide an explicit recipe for the generation of 𝑊���, Dicke, GHZ, and cluster states, which are resource states for quantum information processing. Using graph-based representations within the framework of spatially localized operations and classical communication (sLOCC), we mathematically demonstrate a direct translation of the generation schemes of specific entangled states into colored, complex, and weighted digraphs, each corresponding to a given experimental setup. We also show that this graph-theoretical approach allows for the optimization of the generation efficiency of specific multipartite entangled states by exploring a variety of generation schemes. The presented theoretical approach, while already implementable with current linear optics architectures, has the potential to bring clear advantages over existing technologies, such as in quantum computing search algorithms and in the design of new experiments in quantum optics or other platforms.
Compartir
Ficheros
PRXQuantum.5.040350.pdf (2.568Mb)
Identificadores
URI: https://hdl.handle.net/20.500.12761/1920
DOI: 10.1103/PRXQuantum.5.040350
Metadatos
Mostrar el registro completo del ítem

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