SPONTANEOUS EMISSION FROM TUNNELING 2-LEVEL ATOMS

Authors
JAPHA Y KURIZKI G
Citation
Y. Japha et G. Kurizki, SPONTANEOUS EMISSION FROM TUNNELING 2-LEVEL ATOMS, Physical review letters, 77(14), 1996, pp. 2909-2912
Citations number
22
Categorie Soggetti
Physics
Journal title
Physical review letters → ACNP
ISSN journal
00319007
Volume
77
Issue
14
Year of publication
1996
Pages
2909 - 2912
Database
ISI
SICI code
0031-9007(1996)77:14<2909:SEFT2A>2.0.ZU;2-W
Abstract
We put forward a theory of excitation decay in two-level atoms that tu nnel through a square potential barrier while spontaneously emitting p hotons into an effectively one-dimensional mode continuum. The resulti ng decoherence can exponentially enhance the total tunneling probabili ty. This enhancement is due to atoms whose final kinetic energy is rai sed above the barrier by the emission of photons detuned below resonan ce.