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Quantum creep and quantum creep transitions in 1D sine-Gordon chains,
Phys. Rev. Lett. 92, art. no. 030601 (2004); cond-mat/0305050.
F. R. Krajewski and M. H. Müser,
Quantum creep and quantum creep transitions in 1D sine-Gordon chains,
Phys. Rev. Lett. 92, art. no. 030601 (2004); cond-mat/0305050.