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True and quasi long...
True and quasi long-range order in the generalized q-state clock model
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- Baek, Seung Ki (författare)
- Umeå universitet,Institutionen för fysik
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- Minnhagen, Petter (författare)
- Umeå universitet,Institutionen för fysik
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- Kim, Beom Jun (författare)
- Dept. of Physics, Sungkyunkwan University, Korea
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(creator_code:org_t)
- 2009
- 2009
- Engelska.
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Ingår i: Physical Review E. Statistical, Nonlinear, and Soft Matter Physics. - 1063-651X .- 1095-3787. ; 80, s. 060101-
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- From consideration of the order-parameter distribution,we propose an observable which makes a clear distinction betweentrue and quasi long-range orders in the two-dimensionalgeneralized $q$-state clock model.Measuring this quantity by Monte Carlo simulations for $q=8$, weconstruct a phase diagram and identify critical properties acrossthe phase-separation lines among the true long-range order, quasilong-range order, and disorder. Our result supports the theoreticalprediction that there appears a discontinuous order-disorder transition assoon as the two phase-separation lines merge.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- clock model
- long-range order
- Critical phenomena (phase transitions)
- Kritiska fenomen (fasövergångar)
- teoretisk fysik
- Theoretical Physics
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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