Colloquia IFIC - Severo Ochoa

Physics in the complex domain

por Prof. Carl M. Bender (Washington University in St. Louis)

Salón de Actos Edificio de Cabecera (Parc Científic)

Salón de Actos Edificio de Cabecera

Parc Científic

The theory of complex variables is extremely useful because it helps to explain the mathematical behavior of functions of a real variable. Complex variable theory also provides insight into the nature of physical theories. For example, it provides a simple and beautiful picture of quantization and it explains the underlying reason for the divergence of perturbation theory. By using complex-variable methods one can generalize conventional Hermitian quantum theories into the complex domain. The result is a new class of parity-time-symmetric (PT-symmetric) theories whose remarkable physical properties have been studied and verified in many recent laboratory experiments.
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