Irreversible Quantum Dynamics by Geoffrey L. Sewell (auth.), Fabio Benatti, Roberto

By Geoffrey L. Sewell (auth.), Fabio Benatti, Roberto Floreanini (eds.)

This set of instructional studies is devoted to all points of irreversibility and time asymmetry in quantum mechanics. the most topics addressed are:

- theoretical features of quantum irreversible dynamics

- open quantum platforms and applications

- foundational facets of irreversible quantum dynamics

- uneven time evolution and resonances

This quantity will profit graduate scholars and researchers trying to find a readable account of the present prestige of the sphere. it's also fitted to teachers searching for complicated fabric for his or her classes and seminars.

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As the threshold region is approached, a strong increase in the coherence time is observed. While below threshold the value lies between 20 and 30 ps for all three curves, the coherence time is found to increase slower with increasing pump power in cavities with larger spontaneous emission coupling: At comparable points on the input/output curves, we find that devices with a larger β factor display shorter coherence times. An illustrative explanation is that fluctuations introduced by spontaneous emission processes decrease the coherence in the system, and at higher β values more spontaneous emission is coupled into the laser mode.

Since most of the results presented in this book are obtained with SK dots, this growth mode will be discussed in some detail in Sect. , In(Ga)As on GaAs(001) substrates. Another successful method to confine the motion of charge carriers is to exploit thickness fluctuations which naturally occur during the epitaxial growth of thin quantum wells (QWs). The combination of SK growth with selective in situ etching opens up the opportunity to fabricate unstrained QDs with large confinement, which is not possible with the SK mode.

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