Journal article
Two-dimensional melting of colloidal hard spheres
- Abstract:
- We study the melting of quasi-two-dimensional colloidal hard spheres by considering a tilted monolayer of particles in sedimentation-diffusion equilibrium. In particular, we measure the hard-disk equation of state from the density profiles and use time-dependent and height-resolved correlation functions to identify the liquid, hexatic and crystal phases. We find that the liquid-hexatic transition is first order and that the hexatic-crystal transition is continuous. Furthermore, we directly measure the width of the liquid-hexatic coexistence gap from the uctuations of the corresponding interface, and thereby experimentally establish the full phase behaviour of hard disks.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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- Files:
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(Preview, Accepted manuscript, pdf, 5.9MB, Terms of use)
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- Publisher copy:
- 10.1103/PhysRevLett.118.158001
Authors
- Publisher:
- American Physical Society
- Journal:
- Physical Review Letters More from this journal
- Volume:
- 118
- Issue:
- 15
- Pages:
- 158001
- Publication date:
- 2017-04-10
- Acceptance date:
- 2017-03-10
- DOI:
- EISSN:
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1079-7114
- ISSN:
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0031-9007
- Pubs id:
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pubs:685611
- UUID:
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uuid:f5b0b6f4-72da-4848-beea-869d6b0d10a0
- Local pid:
-
pubs:685611
- Source identifiers:
-
685611
- Deposit date:
-
2017-03-14
Terms of use
- Copyright holder:
- © 2017 American Physical Society
- Copyright date:
- 2017
- Notes:
- This is the author accepted manuscript following peer review version of the article. The final version is available from the American Physical Society at: 10.1103/PhysRevLett.118.158001
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