Gabriel T. Landi, Mario J. de Oliveira
We extend Kubo's Linear Response Theory (LRT) to periodic input signals with arbitrary shapes and obtain exact analytical formulas for the energy dissipated by the system for a variety of signals. These include the square and sawtooth waves, or pulsed signals such as the rectangular, sine and $\delta$-pulses. It is shown that for a given input energy, the dissipation may be substantially augmented by exploiting different signal shapes. We also apply our results in the context of magnetic hyperthermia, where small magnetic particles are used as local heating centers in oncological treatments.
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http://arxiv.org/abs/1208.3995
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