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Statements

Subject Item
n2:RIV%2F00216224%3A14330%2F05%3A00013057%21RIV10-GA0-14330___
rdf:type
n12:Vysledek skos:Concept
dcterms:description
Recent experiments have shown that fullerene and fluorofullerene molecules can produce interference patterns. These molecules have both rotational and vibrational degrees of freedom. This leads one to ask whether these internal motions can play a role in degrading the interference pattern. We study this by means of a simple model. Our molecule consists of two masses a fixed distance apart. It scatters from a potential with two or several peaks, thereby mimicking two or several slit interference. We find that in some parameter regimes the entanglement between the internal states and the translational degrees of freedom produced by the potential can decrease the visibility of the interference pattern. In particular, different internal states correspond to different outgoing wave vectors, so that if several internal states are excited, the total interference pattern will be the sum of a number of patterns, each with a different periodicity. The overall pattern is consequently smeared out. Recent experiments have shown that fullerene and fluorofullerene molecules can produce interference patterns. These molecules have both rotational and vibrational degrees of freedom. This leads one to ask whether these internal motions can play a role in degrading the interference pattern. We study this by means of a simple model. Our molecule consists of two masses a fixed distance apart. It scatters from a potential with two or several peaks, thereby mimicking two or several slit interference. We find that in some parameter regimes the entanglement between the internal states and the translational degrees of freedom produced by the potential can decrease the visibility of the interference pattern. In particular, different internal states correspond to different outgoing wave vectors, so that if several internal states are excited, the total interference pattern will be the sum of a number of patterns, each with a different periodicity. The overall pattern is consequently smeared out.
dcterms:title
Quantum interference with molecules: The role of internal states Quantum interference with molecules: The role of internal states
skos:prefLabel
Quantum interference with molecules: The role of internal states Quantum interference with molecules: The role of internal states
skos:notation
RIV/00216224:14330/05:00013057!RIV10-GA0-14330___
n3:aktivita
n10:Z n10:P
n3:aktivity
P(GA201/04/1153), Z(MSM0021622419)
n3:cisloPeriodika
No. 6
n3:dodaniDat
n5:2010
n3:domaciTvurceVysledku
n4:4347196 Hillery, Mark
n3:druhVysledku
n17:J
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
539855
n3:idVysledku
RIV/00216224:14330/05:00013057
n3:jazykVysledku
n19:eng
n3:klicovaSlova
quantum interference; internal states
n3:klicoveSlovo
n14:quantum%20interference n14:internal%20states
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[AD304353F581]
n3:nazevZdroje
Physical Review A
n3:obor
n6:BE
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:projekt
n18:GA201%2F04%2F1153
n3:rokUplatneniVysledku
n5:2005
n3:svazekPeriodika
Vol. 71
n3:tvurceVysledku
Hillery, Mark Bužek, Vladimír Mlodinow, Leonard
n3:wos
000230275200029
n3:zamer
n7:MSM0021622419
s:issn
1050-2947
s:numberOfPages
9
n8:organizacniJednotka
14330