These are excerpts and elaborations from my book "The Nature of Consciousness"
The Pilot-Wave To explain the
function of the quantum potential, Bohm introduced the notion of "active in-formation"
(“information” as in "give form", for example to a particle's
movement). A particle is moved by
whatever energy it has (for example, because a force is acting on it) but its
movement is guided by the "in-formation" in the quantum field (in the
“pilot-wave”). In Physics, a
potential describes a field in terms of how, at each point in space, the
particle located at that point will be affected by that field. In Newton's physics the effect of the
classical potential on a particle is proportional to the magnitude of the
field. Bohm thought that his quantum field, in particular, had to reflect
whatever is going on in the environment, including the measuring apparatus.
Therefore, the quantum potential depends only on the form, and not on the
magnitude, of the quantum field. The “strength” of the quantum potential does
not depend on the intensity of the wave but only on the form of the wave. Even
a very weak quantum potential can affect the particle. Even a very distant event
can affect the particle. The previous
interpretations of Quantum Theory were trying to reconcile the traditional,
classical concept of "measurement" (somebody who watches a particle
through a microscope) with a quantum concept of "system". Bohm dispensed with the classical notion of "measurement":
one cannot separate the measuring instrument from the measured quantity, as
they interact all the time. It is misleading
to call this act "measurement". It is an interaction, just like any
other interaction, and, as Heisenberg's principle states, the
consequence of this interaction is not a measurement at all. Back to the beginning of the chapter "The New Physics" | Back to the index of all chapters |
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