On 28 December 2013 19:37, Jason Resch <jasonre...@gmail.com> wrote:

> On Sat, Dec 28, 2013 at 1:26 AM, LizR <lizj...@gmail.com> wrote:
>> On 28 December 2013 18:39, Jason Resch <jasonre...@gmail.com> wrote:
>>> On Fri, Dec 27, 2013 at 10:28 PM, LizR <lizj...@gmail.com> wrote:
>>>> On 28 December 2013 16:26, Jason Resch <jasonre...@gmail.com> wrote:
>>>>> On Fri, Dec 27, 2013 at 10:08 PM, Edgar L. Owen <edgaro...@att.net>wrote:
>>>>>> Jason,
>>>>>> Answers to your 3 questions.
>>>>>> 1. No.
>>>>> If there are no faster-than-light (FTL) influences, then how does your
>>>>> interpretation address the EPR paradox (
>>>>> http://en.wikipedia.org/wiki/EPR_paradox )?  As a previously
>>>>> mentioned, according to Bell's theorem, there is only one known solution 
>>>>> to
>>>>> the paradox that does not involve FTL influences, and that is Everett's
>>>>> theory of many-worlds.
>>>>> Huw Price's time symmetry also solves the paradox.
>>> Is this the same as, or related to Cramer's transactional interpretation?
>> No, it's a lot simpler. It doesn't add any new physics, and removes one
>> assumption.
> What is that assumption that is removed?

That simple quantum events have a built in arrow of time. This assumption
isn't in the physics, but it's usually in the minds of people when they try
to explain EPR, for example, by saying that certain things can't happen
"without FTL signalling". Saying this assumes that the particles involved
are constrained by what happened to them in the past, but not constrained
by what will happen to them in the future. This is a very powerful
assumption, built into our nature as macroscopic creatures who are
(unfortunately) all too susceptible to the effects of the entropy gradient
- but there is no reason it should apply to, for example, individual
photons. Assuming that photons act like people as far as the arrow of time
goes skews our ideas of what is "reasonable behaviour" for quantum systems,
and (according to Prof Price and others) leads us to see lots of things as
weird / spooky when they are actually merely exhibiting the time symmetry
inherent in the laws of physics.

If we allow past *and* future constraints to affect particles, for example,
any need for FTL effects to explain EPR vanishes, because all the
information involved is carried by the particles themselves, which of
course never travel FTL. It just happens to be carried in both time
directions, with the photon's state in mid-flight affected by both the
event that generated it in the past and the measurement that will be
applied to it in the future.

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