About: Cheating on complementarity and interference by translational - Internal entanglement     Goto   Sponge   NotDistinct   Permalink

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  • Ukazujeme, že pokud jsou vnitřní stupně volnosti a pohybové stupně volnosti interferující částice entanglované, pak pomocí měření vnitřního stavu můžeme získávat informaci jak o dráze částice, tak o její fázi - bez omezení daného běžnými relacemi komplementarity. Toto platí též pro mnohacestné a mnohastavové konfigurace, čímž můžeme využít částici k ukládání většího množství informace. (cs)
  • We show that if internal and momentum states of an interfering particle are entangled, then by measuring its internal state we may infer both path (corpuscular) and phase (wavelike) information with practically any precision, without the complementarity constraints of which-path detection. This holds also for multipath-multistate configurations, allowing large amounts of information to be stored in a single particle. We further show that highly complex particles (e.g., molecules or macroscopic bodies) subject to fields that couple (entangle) their internal and translational (momentum) states may undergo an irresversible randomization (diffusion), manifest by the disappearance of the interference pattern, as if they are subject to decoherence. Thus, translational-internal entanglement can give rise to anomalies in quantum wavepacket propagation. Author Keywords: quantum interferometry; nonlocality; quantum information
  • We show that if internal and momentum states of an interfering particle are entangled, then by measuring its internal state we may infer both path (corpuscular) and phase (wavelike) information with practically any precision, without the complementarity constraints of which-path detection. This holds also for multipath-multistate configurations, allowing large amounts of information to be stored in a single particle. We further show that highly complex particles (e.g., molecules or macroscopic bodies) subject to fields that couple (entangle) their internal and translational (momentum) states may undergo an irresversible randomization (diffusion), manifest by the disappearance of the interference pattern, as if they are subject to decoherence. Thus, translational-internal entanglement can give rise to anomalies in quantum wavepacket propagation. Author Keywords: quantum interferometry; nonlocality; quantum information (en)
Title
  • Cheating on complementarity and interference by translational - Internal entanglement
  • Cheating on complementarity and interference by translational - Internal entanglement (en)
  • Podvádění komplementarity a interference pomocí translačně-vnitřního entanglementu (cs)
skos:prefLabel
  • Cheating on complementarity and interference by translational - Internal entanglement
  • Cheating on complementarity and interference by translational - Internal entanglement (en)
  • Podvádění komplementarity a interference pomocí translačně-vnitřního entanglementu (cs)
skos:notation
  • RIV/61989592:15310/06:00002665!RIV07-GA0-15310___
http://linked.open.../vavai/riv/strany
  • 463-479
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA202/05/0486)
http://linked.open...iv/cisloPeriodika
  • 6
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...dnocenehoVysledku
  • 468490
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  • RIV/61989592:15310/06:00002665
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  • INTERFEROMETER; DECOHERENCE (en)
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http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [BEE569B65574]
http://linked.open...i/riv/nazevZdroje
  • Quantum Information Processing
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 5
http://linked.open...iv/tvurceVysledku
  • Kolář, Michal
  • Opatrný, Tomáš
  • Kurizki, Gershon
  • Bar-Gill, Nir
  • Clausen, Jens
issn
  • 1570-0755
number of pages
http://localhost/t...ganizacniJednotka
  • 15310
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