XIIIth Quark Confinement and the Hadron Spectrum

31 July 2018 to 6 August 2018
Maynooth University
Europe/Dublin timezone

Deconfinement to Confinement as PT phase transition

Not scheduled
20m
Hall E (Arts Bldg.)

Hall E

Arts Bldg.

Talk A: Vacuum structure and confinement

Speaker

Dr Haresh Raval (Indian Institute of Technology Delhi)

Description

We consider $SU(N)$ QCD in a new quadratic gauge which highlights certain characteristic of the theory in the non-perturbative sector. By considering natural hermiticity property of the ghost fields we cast this model as non-Hermtian but symmetric under combined Parity (P) and Time reversal (T) transformations. We explicitly study the PT phase transition in this model. This is very first such study in the non-Hermitian gauge theory. The ghost fields condensate as a direct consequence of spontaneous breaking of PT symmetry. This leads to realize the transition from deconfined phase to confined phase as a PT phase transition in this system. The hidden C-symmetry in this system is identified as inner automorphism in this theory. Explicit representation is constructed for the C-symmetry.

Primary author

Dr Haresh Raval (Indian Institute of Technology Delhi)

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