Add cross-layer energy paper

[jaywonchung]

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[jaywonchung]

@mosharaf The arXiv replacement submission was released from hold. I think it'll be out in two days.

The problem is that we actually had a separate entry on our pub list pointing to the arXiv entry. When the arXiv replacement submission gets announced, our homepage pub list entry and the new arXiv entry will go out of sync (both abstract and title).

I think we can (1) update the older entry on our homepage pub list with the newer abstract and title, and (2) keep the changes proposed by this PR, creating a new pub list entry containing the final PDF file.

WDYT?

[mosharaf]

Historically, we never went back to update an arXiv enrty in bib file even though a newer version has replaced it.

[jaywonchung]

In that case, one way is to just implement (2) above. Another way is to withdraw the arXiv replacement submission and implement (2).

[jaywonchung]

The downside of the former is that we need to let Nishil know that we're not changing the arXiv entry

[mosharaf]

You mean the latter, no? Former seems the best course of action: keep old arXiv entry in our website as is; update arXiv as you've had; create new entry => just merge this PR.

[jaywonchung]

Ah yeah I meant the latter. Going with the former. This PR is ready for your review and once it's merged, there's nothing more to do other than me keeping track of the arXiv replacement submission.