Disentanglement of two harmonic oscillators in relativistic motion
We study the dynamics of quantum entanglement between two Unruh-DeWitt detectors, one stationary (Alice), and another uniformly accelerating (Rob), with no direct interaction but coupled to a common quantum field in (3+1)D Minkowski space. We find that for all cases studied the initial entanglement...
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Veröffentlicht in: | Physical review. D, Particles and fields Particles and fields, 2008-12, Vol.78 (12), Article 125025 |
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creator | Lin, Shih-Yuin Chou, Chung-Hsien Hu, B. L. |
description | We study the dynamics of quantum entanglement between two Unruh-DeWitt detectors, one stationary (Alice), and another uniformly accelerating (Rob), with no direct interaction but coupled to a common quantum field in (3+1)D Minkowski space. We find that for all cases studied the initial entanglement between the detectors disappears in a finite time ('sudden death'). After the moment of total disentanglement the correlations between the two detectors remain nonzero until late times. The relation between the disentanglement time and Rob's proper acceleration is observer dependent. The larger the acceleration is, the longer the disentanglement time in Alice's coordinate, but the shorter in Rob's coordinate. |
doi_str_mv | 10.1103/PhysRevD.78.125025 |
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L.</creator><creatorcontrib>Lin, Shih-Yuin ; Chou, Chung-Hsien ; Hu, B. L.</creatorcontrib><description>We study the dynamics of quantum entanglement between two Unruh-DeWitt detectors, one stationary (Alice), and another uniformly accelerating (Rob), with no direct interaction but coupled to a common quantum field in (3+1)D Minkowski space. We find that for all cases studied the initial entanglement between the detectors disappears in a finite time ('sudden death'). After the moment of total disentanglement the correlations between the two detectors remain nonzero until late times. The relation between the disentanglement time and Rob's proper acceleration is observer dependent. The larger the acceleration is, the longer the disentanglement time in Alice's coordinate, but the shorter in Rob's coordinate.</description><identifier>ISSN: 1550-7998</identifier><identifier>ISSN: 0556-2821</identifier><identifier>EISSN: 1550-2368</identifier><identifier>EISSN: 1089-4918</identifier><identifier>DOI: 10.1103/PhysRevD.78.125025</identifier><language>eng</language><publisher>United States</publisher><subject>ACCELERATION ; COORDINATES ; CORRELATIONS ; FOUR-DIMENSIONAL CALCULATIONS ; HARMONIC OSCILLATORS ; INTERACTIONS ; MINKOWSKI SPACE ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; QUANTUM ENTANGLEMENT ; QUANTUM FIELD THEORY ; RELATIVISTIC RANGE</subject><ispartof>Physical review. 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D, Particles and fields</title><description>We study the dynamics of quantum entanglement between two Unruh-DeWitt detectors, one stationary (Alice), and another uniformly accelerating (Rob), with no direct interaction but coupled to a common quantum field in (3+1)D Minkowski space. We find that for all cases studied the initial entanglement between the detectors disappears in a finite time ('sudden death'). After the moment of total disentanglement the correlations between the two detectors remain nonzero until late times. The relation between the disentanglement time and Rob's proper acceleration is observer dependent. The larger the acceleration is, the longer the disentanglement time in Alice's coordinate, but the shorter in Rob's coordinate.</description><subject>ACCELERATION</subject><subject>COORDINATES</subject><subject>CORRELATIONS</subject><subject>FOUR-DIMENSIONAL CALCULATIONS</subject><subject>HARMONIC OSCILLATORS</subject><subject>INTERACTIONS</subject><subject>MINKOWSKI SPACE</subject><subject>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</subject><subject>QUANTUM ENTANGLEMENT</subject><subject>QUANTUM FIELD THEORY</subject><subject>RELATIVISTIC RANGE</subject><issn>1550-7998</issn><issn>0556-2821</issn><issn>1550-2368</issn><issn>1089-4918</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNo1kEFLAzEQhYMoWKt_wNOC510zyWaTHLW1KhQU0XPIplkb2U0kCZX-eyOtzGEezGPezIfQNeAGANPb1-0-vdndsuGiAcIwYSdoBozhmtBOnB41l1Kco4uUvjCmpON8hu6XLlmftf8c7VREFYYq_4Rqq-MUvDNVSMaNo84hpsr5Ktqi3c6lXGZTyC74S3Q26DHZq2Ofo4_Vw_viqV6_PD4v7ta1oS3kWvdMdMxIjEVJp9RQ3ktjYdPzzpLWCGk3knDo-CBKSUkEowIoaDAD1QOdo5vD3lDCVTkrW7M1wXtrsiLlawDeFhc5uEwMKUU7qO_oJh33CrD6Y6X-WSku1IEV_QXcS17B</recordid><startdate>20081201</startdate><enddate>20081201</enddate><creator>Lin, Shih-Yuin</creator><creator>Chou, Chung-Hsien</creator><creator>Hu, B. 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D, Particles and fields</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lin, Shih-Yuin</au><au>Chou, Chung-Hsien</au><au>Hu, B. L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Disentanglement of two harmonic oscillators in relativistic motion</atitle><jtitle>Physical review. D, Particles and fields</jtitle><date>2008-12-01</date><risdate>2008</risdate><volume>78</volume><issue>12</issue><artnum>125025</artnum><issn>1550-7998</issn><issn>0556-2821</issn><eissn>1550-2368</eissn><eissn>1089-4918</eissn><abstract>We study the dynamics of quantum entanglement between two Unruh-DeWitt detectors, one stationary (Alice), and another uniformly accelerating (Rob), with no direct interaction but coupled to a common quantum field in (3+1)D Minkowski space. We find that for all cases studied the initial entanglement between the detectors disappears in a finite time ('sudden death'). After the moment of total disentanglement the correlations between the two detectors remain nonzero until late times. The relation between the disentanglement time and Rob's proper acceleration is observer dependent. The larger the acceleration is, the longer the disentanglement time in Alice's coordinate, but the shorter in Rob's coordinate.</abstract><cop>United States</cop><doi>10.1103/PhysRevD.78.125025</doi></addata></record> |
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subjects | ACCELERATION COORDINATES CORRELATIONS FOUR-DIMENSIONAL CALCULATIONS HARMONIC OSCILLATORS INTERACTIONS MINKOWSKI SPACE PHYSICS OF ELEMENTARY PARTICLES AND FIELDS QUANTUM ENTANGLEMENT QUANTUM FIELD THEORY RELATIVISTIC RANGE |
title | Disentanglement of two harmonic oscillators in relativistic motion |
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