Shell theorem for spontaneous emission

Philip Trøst Kristensen; Jacob Egeberg Mortensen; Peter Lodahl; Søren Stobbe

doi:10.1103/PhysRevB.88.205308

Shell theorem for spontaneous emission

Philip Trøst Kristensen, Jacob Egeberg Mortensen, Peter Lodahl, Søren Stobbe

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17 Citationer (Scopus)

Abstract

We investigate spontaneous emission from excitons beyond the point source dipole approximation and show how the symmetry of the exciton wave function plays a crucial role. We find that for spherically symmetric wave functions, the Purcell effect is independent of the wave function size and therefore is given exactly by the dipole approximation theory. This surprising result is a spontaneous emission counterpart to the shell theorems of classical mechanics and electrostatics and provides insights into the physics of mesoscopic emitters as well as great simplifications in practical calculations.

Originalsprog	Engelsk
Artikelnummer	205308
Tidsskrift	Physical Review B
Vol/bind	88
Udgave nummer	20
ISSN	2469-9950
DOI	https://doi.org/10.1103/PhysRevB.88.205308
Status	Udgivet - 20 nov. 2013

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10.1103/PhysRevB.88.205308

http://link.aps.org/doi/10.1103/PhysRevB.88.205308

Citationsformater

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AU - Kristensen, Philip Trøst

AU - Mortensen, Jacob Egeberg

AU - Lodahl, Peter

AU - Stobbe, Søren

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Y1 - 2013/11/20

N2 - We investigate spontaneous emission from excitons beyond the point source dipole approximation and show how the symmetry of the exciton wave function plays a crucial role. We find that for spherically symmetric wave functions, the Purcell effect is independent of the wave function size and therefore is given exactly by the dipole approximation theory. This surprising result is a spontaneous emission counterpart to the shell theorems of classical mechanics and electrostatics and provides insights into the physics of mesoscopic emitters as well as great simplifications in practical calculations.

AB - We investigate spontaneous emission from excitons beyond the point source dipole approximation and show how the symmetry of the exciton wave function plays a crucial role. We find that for spherically symmetric wave functions, the Purcell effect is independent of the wave function size and therefore is given exactly by the dipole approximation theory. This surprising result is a spontaneous emission counterpart to the shell theorems of classical mechanics and electrostatics and provides insights into the physics of mesoscopic emitters as well as great simplifications in practical calculations.

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DO - 10.1103/PhysRevB.88.205308

M3 - Journal article

SN - 2469-9950

VL - 88

JO - Physical Review B

JF - Physical Review B

IS - 20

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Shell theorem for spontaneous emission

Abstract

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