7-11 October 2019
Facultad de Ciencias Físicas, Universidad Complutense de Madrid
Europe/Madrid timezone

Locality in the pseudo-Hermitian Quantum Field Theories

8 Oct 2019, 12:50
35m
Aula M2 (Facultad de Ciencias Físicas, Universidad Complutense de Madrid)

Aula M2

Facultad de Ciencias Físicas, Universidad Complutense de Madrid

Plaza de Ciencias, 1 Ciudad Universitaria 28040 Madrid, Spain

Speaker

Oleg Novikov (Saint Petersburg State University)

Description

Many non-Hermitian but PT-symmetric Hamiltonians produce the quantum evolution that is unitary under the non-standard inner product. This allows us to interpret them in the pseudo-Hermitian way and relate to the well-behaved but very complicated quantum models through the non-unitary transformation. However for the generic PT-symmetric quantum field theory this transformation becomes non-local and causality issues arise. We explore possible ways to solve this problem.

Primary author

Oleg Novikov (Saint Petersburg State University)

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