History of the PHHQP

This is the 15th of a series of international meetings that was initiated in 2003. The first two meetings were held in Prague (Czech Republic). These were followed by the gatherings in Istanbul (Turkey), Stellenbosch (South Africa), Bologna (Italy), London (UK), Benasque (Spain), Mumbai (India), Hangzhou (China), Dresden (Germany), Paris (France), Istanbul (Turkey) and in Setif (Algeria). These meetings were initially attended by the group of experts working on various aspects of PT-symmetric Hamiltonians. Later they attracted the attention of a larger group of physicists and mathematicians interested in the study of the broader classes of non-Hermitian operators and of their physical applications. Typically, since 2009 there has been a growing interest in the theoretical and experimental studies of the exceptional points and spectral singularities associated with the PT-symmetry-breaking in PT-symmetric optical systems. The most recent developments attracted attention to the other quantum systems (e.g., lattice and solid-state) and even to numerous related classical and/or phase-transition non-quantum phenomena, especially in connection to the underlying presence (or simulations) of the gain-loss structures exhibiting PT-symmetry and/or pseudo-Hermiticity plus, perhaps, also various innovative (e.g., non-linear) features.The current continuation of the series of the PHHQP conferences still intend to cover these and other more traditional topics such as the mathematical and physical aspects of quasi-Hermitian (alias crypto-Hermitian) operators, problems of bound states and scattering, indefinite-metric quantum theories and field theories, applications of mathematical Krein-space methods, etc. The meeting will also cover recent progress in the experimental context and its relations to the study of the properties of various realistic open quantum systems.
Sponsor
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Dipartimento di Matematica e Informatica (DMI)

Dipartimento di Energia, Ingegneria dell'Informazione e Modelli Matematici (DEIM)

Dipartimento di Fisica e Chimica (DIFC)

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Email: phhqp15@unipa.it


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