TY - JOUR
T1 - Influence of dimensionality on deep tunneling rates
T2 - A study based on the hydrogen-nickel system
AU - Baer, Roi
AU - Zeiri, Yehuda
PY - 1996
Y1 - 1996
N2 - The tunneling of subsurface hydrogen into a surface site of a nickel crystal is used to investigate deep tunneling phenomena. A method to calculate tunneling lifetimes based on an energy and time filter is developed, enabling converged lifetimes differing by 14 orders of magnitude. It is found that the reduced dimensional approximation always overestimates the tunneling rate. The vibrational adiabatic correction improves dramatically the one-dimensional calculation but nevertheless overestimates the cases of deep tunneling. The isotope effect is studied, pointing to experimental implications.
AB - The tunneling of subsurface hydrogen into a surface site of a nickel crystal is used to investigate deep tunneling phenomena. A method to calculate tunneling lifetimes based on an energy and time filter is developed, enabling converged lifetimes differing by 14 orders of magnitude. It is found that the reduced dimensional approximation always overestimates the tunneling rate. The vibrational adiabatic correction improves dramatically the one-dimensional calculation but nevertheless overestimates the cases of deep tunneling. The isotope effect is studied, pointing to experimental implications.
UR - http://www.scopus.com/inward/record.url?scp=0000076044&partnerID=8YFLogxK
U2 - 10.1103/PhysRevB.54.R5287
DO - 10.1103/PhysRevB.54.R5287
M3 - ???researchoutput.researchoutputtypes.contributiontojournal.article???
AN - SCOPUS:0000076044
SN - 1098-0121
VL - 54
SP - R5287-R5290
JO - Physical Review B - Condensed Matter and Materials Physics
JF - Physical Review B - Condensed Matter and Materials Physics
IS - 8
ER -