Slow relaxation, confinement, and solitons

Slow relaxation, confinement, and solitons

Millisecond crystal relaxation has been used to explain anomalous decay in doped alkali halides. We attribute this slowness to Fermi-Pasta-Ulam solitons. Our model exhibits confinement of mechanical energy released by excitation. Extending the model to long times is justified by its relation to soli...

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Veröffentlicht in:Physical review letters 2002-06, Vol.88 (22), p.224101-224101, Article 224101
Hauptverfasser: Schulman, L S, Mihóková, E, Scardicchio, A, Facchi, P, Nikl, M, Polák, K, Gaveau, B
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container_end_page 224101
container_issue 22
container_start_page 224101
container_title Physical review letters
container_volume 88
creator Schulman, L S
Mihóková, E
Scardicchio, A
Facchi, P
Nikl, M
Polák, K
Gaveau, B
description Millisecond crystal relaxation has been used to explain anomalous decay in doped alkali halides. We attribute this slowness to Fermi-Pasta-Ulam solitons. Our model exhibits confinement of mechanical energy released by excitation. Extending the model to long times is justified by its relation to solitons, excitations previously proposed to occur in alkali halides. Soliton damping and observation are also discussed.
doi_str_mv 10.1103/PhysRevLett.88.224101
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title Slow relaxation, confinement, and solitons
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