Quantifying the hybrid entanglement of the Stern-Gerlach experiment using discrete reductions
| Autor: | A.E. Piceno Martínez, L. M. Arévalo Aguilar |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Physics
Stern–Gerlach experiment Discretization Partial trace General Physics and Astronomy Quantum Physics Quantum entanglement State (functional analysis) 01 natural sciences 010305 fluids & plasmas Quantum state visual_art 0103 physical sciences Electronic component visual_art.visual_art_medium Entropy (information theory) Statistical physics 010306 general physics |
| Zdroj: | Physics Letters A. 394:127200 |
| ISSN: | 0375-9601 |
| DOI: | 10.1016/j.physleta.2021.127200 |
| Popis: | Hybrid entanglement occurs between discrete and continuous variables, resulting in a considerable difficulty for its quantification. However, some advancements have been made, one of them is the discretization of the continuous variable as a tool to quantify it. Here, in this paper, the applicability of discrete entanglement measures to the final quantum state of the Stern-Gerlach Experiment is discussed in order to quantify its hybrid entanglement. Additionally, the possibility of using an equivalent discrete state is compared to the employment of the partial trace in order to consider the discrete component only, we show that the entanglement entropy distinctively represents the discrete part. Hence, the known entanglement capabilities of the SGE allow us to support the use of both techniques. Therefore, these measures give a detailed description of the entanglement creation in this famous experiment. |
| Databáze: | OpenAIRE |
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