Glassy dynamics of two-dimensional vortex glasses, charge-density waves, and surfaces of disordered crystals
Journal Article
·
· Physical Review Letters; (United States)
- IBM Research Division, Thomas J. Watson Research Center, Yorktown Heights, New York (USA)
The low-temperature phase of a model of pinned, two-dimensional flux lines is analytically shown to be glassy. Typical energy barriers {ital L} diverge as (ln{ital L}){sup 1/2} as the length scale {ital L}{r arrow}{infinity}. This implies a voltage-current relation of the form {ital V}={ital C}{sub 1}{ital I} exp{l brace}{minus}{ital C}{sub 2}(ln({ital I}{sub 0}/{ital I})){sup 1/2}. The growth velocity {ital V}{sub {ital G}} of the surface of a disordered crystal is given by {ital V}{sub {ital G}}={ital c}{sub 3}{Delta}{mu} exp{l brace}{minus}{ital C}{sub 4}(ln({Delta}{mu}{sub {ital c}}/{Delta}{mu})){sup 1/2}{r brace}, where {Delta}{mu} is the crystal-liquid chemical-potential difference. Similar results hold for 2D charge-density waves, if dislocations in the charge-density wave are ignored.
- OSTI ID:
- 5020374
- Journal Information:
- Physical Review Letters; (United States), Journal Name: Physical Review Letters; (United States) Vol. 67:18; ISSN PRLTA; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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