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Serge Aubry - Physics Department . Technion

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Initial wavepacket<br />

Time periodic<br />

solution<br />

Initial<br />

Spontaneous Formation of a<br />

DISCRETE BREATHER<br />

no radiation<br />

Limit<br />

<strong>Serge</strong> <strong>Aubry</strong>, <strong>Aubry</strong>,<br />

LLB, FRANCE<br />

Sievers and Takeno (1988):<br />

from a initial localized wavepacket<br />

radiation<br />

Chaotic or « quasiperiodic »<br />

transient<br />

Transient<br />

radiation<br />

A large part of the initial energy<br />

remains localized as a DB, the rest<br />

spreads to zero at infinity<br />

The second moment diverges but<br />

the participation number does not

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