Definition and measurement of the local density of electromagnetic states close to an interface

Joulain, Karl; Carminati, Rémi; Mulet, Jean‐Philippe; Greffet, Jean‐Jacques

doi:10.1103/physrevb.68.245405

Public

Definition and measurement of the local density of electromagnetic states close to an interface

Published in Physical review. B, Condensed matter • Dec 10, 2003

Authors:

Karl Joulain

Rémi Carminati

Jean‐Philippe Mulet

Abstract

We propose in this article an unambiguous definition of the local density of electromagnetic states (LDOS) in a vacuum near an interface in equilibrium at temperature T. We show that the LDOS depends only on the electric-field Green function of the system but does not reduce in general to the trace ...

Subject

Local density of states

Near-field scanning optical microscope

Near and far field

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