Entanglement between dependent degrees of freedom: Quasi-particle correlations
Common notions of entanglement are based on well-separated subsystems. However, obtaining such independent degrees of freedom is not always possible because of physical constraints. In this work, we explore the notion of entanglement in the context of dependent degrees of freedom. As a physically re...
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| creator | Barkhausen, Franziska Santos, Laura Ares Schumacher, Stefan Sperling, Jan |
| description | Common notions of entanglement are based on well-separated subsystems.
However, obtaining such independent degrees of freedom is not always possible
because of physical constraints. In this work, we explore the notion of
entanglement in the context of dependent degrees of freedom. As a physically
relevant application, we specifically study quantum correlation features for
quasi-particle descriptions. Those are paramount for interacting light-matter
systems, utilizing excitations of fermion-boson hybrid modes. By comparing
independent and dependent degrees of freedom, we uncover that certain states
are non-entangled although they would be entangled when only focusing on the
common, independent description, and vice versa. Therefore, new insight is
provided into the resourcefulness of quantum correlations within the rarely
discussed context of dependent degrees of freedom for light-matter links in
quantum information applications. |
| doi_str_mv | 10.48550/arxiv.2410.14290 |
| format | Article |
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However, obtaining such independent degrees of freedom is not always possible
because of physical constraints. In this work, we explore the notion of
entanglement in the context of dependent degrees of freedom. As a physically
relevant application, we specifically study quantum correlation features for
quasi-particle descriptions. Those are paramount for interacting light-matter
systems, utilizing excitations of fermion-boson hybrid modes. By comparing
independent and dependent degrees of freedom, we uncover that certain states
are non-entangled although they would be entangled when only focusing on the
common, independent description, and vice versa. Therefore, new insight is
provided into the resourcefulness of quantum correlations within the rarely
discussed context of dependent degrees of freedom for light-matter links in
quantum information applications.</description><identifier>DOI: 10.48550/arxiv.2410.14290</identifier><language>eng</language><subject>Physics - Quantum Physics</subject><creationdate>2024-10</creationdate><rights>http://arxiv.org/licenses/nonexclusive-distrib/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,776,881</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/2410.14290$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.2410.14290$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Barkhausen, Franziska</creatorcontrib><creatorcontrib>Santos, Laura Ares</creatorcontrib><creatorcontrib>Schumacher, Stefan</creatorcontrib><creatorcontrib>Sperling, Jan</creatorcontrib><title>Entanglement between dependent degrees of freedom: Quasi-particle correlations</title><description>Common notions of entanglement are based on well-separated subsystems.
However, obtaining such independent degrees of freedom is not always possible
because of physical constraints. In this work, we explore the notion of
entanglement in the context of dependent degrees of freedom. As a physically
relevant application, we specifically study quantum correlation features for
quasi-particle descriptions. Those are paramount for interacting light-matter
systems, utilizing excitations of fermion-boson hybrid modes. By comparing
independent and dependent degrees of freedom, we uncover that certain states
are non-entangled although they would be entangled when only focusing on the
common, independent description, and vice versa. Therefore, new insight is
provided into the resourcefulness of quantum correlations within the rarely
discussed context of dependent degrees of freedom for light-matter links in
quantum information applications.</description><subject>Physics - Quantum Physics</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNqFjssKwjAURLNxIeoHuDI_0NpqC-pWKq4EwX25NtMSSJNyE19_b1vcu5rhMDBHiGWaxNkuz5M18Vs_403WgzTb7JOpuBQ2kG0MWtgg7wgvwEqFDlYNRKFhwEtXy7ovyrUHeX2Q11FHHHRlICvHDENBO-vnYlKT8Vj8ciZWp-J2PEfjc9mxbok_5WBQjgbb_4svzxI8kw</recordid><startdate>20241018</startdate><enddate>20241018</enddate><creator>Barkhausen, Franziska</creator><creator>Santos, Laura Ares</creator><creator>Schumacher, Stefan</creator><creator>Sperling, Jan</creator><scope>GOX</scope></search><sort><creationdate>20241018</creationdate><title>Entanglement between dependent degrees of freedom: Quasi-particle correlations</title><author>Barkhausen, Franziska ; Santos, Laura Ares ; Schumacher, Stefan ; Sperling, Jan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-arxiv_primary_2410_142903</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Physics - Quantum Physics</topic><toplevel>online_resources</toplevel><creatorcontrib>Barkhausen, Franziska</creatorcontrib><creatorcontrib>Santos, Laura Ares</creatorcontrib><creatorcontrib>Schumacher, Stefan</creatorcontrib><creatorcontrib>Sperling, Jan</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Barkhausen, Franziska</au><au>Santos, Laura Ares</au><au>Schumacher, Stefan</au><au>Sperling, Jan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Entanglement between dependent degrees of freedom: Quasi-particle correlations</atitle><date>2024-10-18</date><risdate>2024</risdate><abstract>Common notions of entanglement are based on well-separated subsystems.
However, obtaining such independent degrees of freedom is not always possible
because of physical constraints. In this work, we explore the notion of
entanglement in the context of dependent degrees of freedom. As a physically
relevant application, we specifically study quantum correlation features for
quasi-particle descriptions. Those are paramount for interacting light-matter
systems, utilizing excitations of fermion-boson hybrid modes. By comparing
independent and dependent degrees of freedom, we uncover that certain states
are non-entangled although they would be entangled when only focusing on the
common, independent description, and vice versa. Therefore, new insight is
provided into the resourcefulness of quantum correlations within the rarely
discussed context of dependent degrees of freedom for light-matter links in
quantum information applications.</abstract><doi>10.48550/arxiv.2410.14290</doi><oa>free_for_read</oa></addata></record> |
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| title | Entanglement between dependent degrees of freedom: Quasi-particle correlations |
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