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THE DIRECTION OF TIME Back to the Contents

   Erasing the photon’s travelling information

 
Suppose we have an electron at space-time-point A that emits a photon. The photon is heading for another electron at location B.

           fig.1

At space-time-point B (represented by the electron there) an act is performed on the photon that erases its travelling information without destroying the photon. The past of the photon is the superposition of all possible pasts that could have preceded it, all possible pasts that could have led to its present state. By erasing knowledge of the photon’s state suddenly quite a number of possible pasts join the superposition.

           fig.2

Most of those possibilities do not contain the photon’s birth at A. The photon then must have been born somewhere else. When we measure the photon then, we most likely enter one of those newly added possibilities.

           fig.3

In the new world we are in now, the conservation laws of impulse and energy demand there still is emitted a photon at event A, but it went another path. Most likely it went through B at precise the same moment as before, but without reacting with the electron there.
Where our photon has been born now we can try to figure out by elongating its travelling path backwards. It might be born on a distant star in another galaxy far away and many years ago, provided there is open sky at point B. In doing so we changed the photon’s past from containing the photon’s birth at event A into the photon being born quite somewhere else.
The conservation laws of impulse and energy demand the photon coming from this new origin already existed in that first world from which we started, where the photon was moving from A to B.

Mind all this assumes a photon can be acted on (erasing travelling information at B) without destroying it (it passes B).


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THE SEA OF POSSIBILITIES: THE COLLAPSE OF THE WAVEFUNCTION  1  2  3  4  5
THE SEA OF POSSIBILITIES: EXPERIMENTS ON THE COLLAPSE OF THE WAVEFUNCTION  1  2  3  4
THE SEA OF POSSIBILITIES: FORWARD BACKWARD TIME DIRECTION  1  2  3  4  5  6  7
THE SEA OF POSSIBILITIES: THE DIRECTION OF TIME  1  2  3  4  5  6  7  8  9  10  11  12  13  14
NET FORCE IN REAL MATTER  1  2  3  4
NET FORCE IN QED  1  2  3  4  5
NET FORCE  1  2  3  4  5
QUANTUM QUATERNION DYNAMICS  1  2  3  4  5  6  7  8  9  10
NET FORCES IN QCD  0  1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16
THOUGHT EXPERIMENTS ON MASSES  1  2  3  4  5  6  7
NEWTON EINSTEIN KIEKENS GRAVITATION  1  2  3  4  5  6  7
QUATERNION GRAVITATION  1  2  3  4  5  6  7
EXPANSION OF THE UNIVERSE  1  2  3  4  5
SPECIAL RELATIVITY  1  2  3  4  5  6  7  8  9  10  11  12
DIMENSIONS  1  2  3  4  5  6  7
TIMETRAVEL  1  2  3  4  5  6  7
EXISTENCE  1  2  3  4  5  6  7
CROPCIRCLES BY ELECTRIC AND MAGNETIC FIELDS  1  2  3  4  5  6  7  8  9  10  11  12  13  14
ADDITIONS  1  2  3  4  5  6  7  8  9
MATH  1  2  3
EVOLUTION  1  2  3
OTHER REMARKS ON BIOLOGY  1  2  3