Transfer matrices and lattice fermions at finite density

Abstract

I discuss the connection between the Hamiltonian and path integral approaches for fermionic fields. I show how the temporal Wilson projection operators appear naturally in a lattice action. I also carefully treat the insertion of a chemical potential term.

5 pages, revtex. Contribution to special issue of Foundations of Physics celebrating the 70th birthday of Professor Kurt Haller

Cited by in corpus (14)

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• A dimensionally reduced expression for the QCD fermion determinant at finite temperature and chemical potential
• Lattice methods and the nuclear few- and many-body problem
• The Ultraviolet Structure of Quantum Field Theories. Part 1: Quantum Mechanics
• Transfer matrix for Kogut-Susskind fermions in the spin basis
• Different definitions of the chemical potential with identical partition function in QCD on a lattice
• Path integrals and degrees of freedom in many-body systems and relativistic field theories