Electronic Resource
Springer
Foundations of physics
25 (1995), S. 229-268
ISSN:
1572-9516
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract A comparison is made between the Bohm trajectory and Feynman path approaches to the long-standing problem of determining the average lime taken for a particle described by the Schrödinger wave function ψ to tunnel through a potential barrier. The former approach follows simply and uniquely from the basic postulates of Bohm's causal interpretation of quantum mechanics; the latter is intimately related to the most frequently cited approaches based on conventional interpretations. Emphasis is given to the fact that fundamentally different transmission (T)-reflection (R) decompositions, particlelike and wavelike respectively, are central to the two methods: ¦ψ¦2=[¦ψ¦2]T+[¦ψ¦2]R (Bohm trajectory approach); ψ=ψT+ψR (Feynman path approach).
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02055206
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