Is time fuzzy?

Alice’s Past is Bob’s Future. And vice versa. Both are bit fuzzy about time.

“Time dispersion and quantum mechanics”, my long paper — long in page count & long in time taken to come to completion — has just been accepted for publication in the peer-reviewed Proceedings of the IARD 2018. This will be has been published as part of the IOP Science’s Journal of Physics Conference Series.

I had earlier presented this as a talk at the IARD 2018 conference in June 2018 in Yucatan. The IARD (International Association for Relativistic Dynamics) asked the conference participants if they would submit papers (based on the talks) for the conference proceedings. No problem; the talk was itself based on a paper I had just finished. Of course the paper had more math. Much much more math (well north of 500 equations if you insist).

Close review of the talk revealed one or two soft spots; fixing them consumed more time than I had hoped. But I submitted — on the last possible day, November 30th, 2018. After a month and a bit, the two reviewers got back to me: liked the ideas, deplored the lack of sufficient connection to the literature, and in the case of Reviewer #1, felt that there were various points of ambiguity and omission which needed attention.

And right they were! I spent a few rather pleasant weeks diving into the literature; some I had read before, some frankly I had not given the attention that must be paid. I clarified, literated, disambiguated, and simplified over the next six or seven weeks, submitting a much revised version on Mar 11th this year. Nearly ten per cent shorter. No soft spots. Still a lot of equations (but just south of 500 this time). Every single one checked, rechecked, & cross-checked. And a few fun bits, just to keep things not too dry. Submitted feeling sure that I had done my best but not sure if that was best enough.

And I have just this morning received the very welcome news it will be joining the flock of accepted submissions headed for inclusion in the conference proceedings. I am best pleased.

As to the title of this blog post, my very long paper argues that if we apply quantum mechanics along the time dimension — and Einstein & even Bohr say we should! — then everything should be just a little bit fuzzy in time. But if you title a paper “Is time fuzzy?”, you can say farewell to any chance of acceptance by a serious publication.

But the point is not that time might be fuzzy — we have all suspected something of the kind — it is that this idea can be worked out in detail, in a self-consistent way, in a way that is consistent with all experimental evidence to date, in a way that can be tested itself, and in a way that is definitive: if the experiments proposed don’t show that time is fuzzy, then time is not fuzzy. (As Yoda likes to say: fuzz or no fuzz, there is no “just a little-bit-fuzzy if you please”!)

In any case, if you are going to be down Baltimore way come this coming Memorial Day weekend I will be doing a popular version of the paper at the 2019 Baltimore Science Fiction convention: no equations (well almost no equations), some animations, and I hope a bit of fun with time!

The link at the start of this post points to a version formatted for US Letter, with table of contents & page numbers. The version accepted is the same, but formatted for A4 and without the TOC and page numbers (that being how the IOP likes its papers formatted). For those who prefer A4:


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