Casimir Energy of Confined Fields: A Role of the RG Invariance

Abstract

A role of the renormalization group invariance in calculations of the ground state energy for models with confined fermion fields is discussed. The case of the (1+1)D MIT bag with massive fermions is studied in detail.

Comments: 5 pages, ijmpa1.sty. Talk at the conference QFEXT01, 10-14 Sep 2001, Leipzig. Version to be published in IJMPA