Will Morong
@wmorong.bsky.social
I'm trying to build a quantum computer in sunny Los Angeles, CA, USA.
I like discussing other people's research papers and ideas. As always, any insights should be credited to the authors themselves, and any misconceptions to me alone.
I like discussing other people's research papers and ideas. As always, any insights should be credited to the authors themselves, and any misconceptions to me alone.
Very curious. It certainly seems like it. In Markus' case, at least, more recent papers are still present in the results and linked to other authors, but not to his profile.
November 13, 2025 at 4:15 PM
Very curious. It certainly seems like it. In Markus' case, at least, more recent papers are still present in the results and linked to other authors, but not to his profile.
(I suppose I should disclaim that I recently joined Google, but I am neither an expert on nor participant in this work)
October 23, 2025 at 4:38 AM
(I suppose I should disclaim that I recently joined Google, but I am neither an expert on nor participant in this work)
I think the second paragraph here answers your question, Jeff:
arxiv.org/abs/2510.19751
, except for the value judgement of "meaningful" which I will leave to you. (h/t @robinkothari.bsky.social )
arxiv.org/abs/2510.19751
, except for the value judgement of "meaningful" which I will leave to you. (h/t @robinkothari.bsky.social )
arxiv.org
October 23, 2025 at 4:35 AM
I think the second paragraph here answers your question, Jeff:
arxiv.org/abs/2510.19751
, except for the value judgement of "meaningful" which I will leave to you. (h/t @robinkothari.bsky.social )
arxiv.org/abs/2510.19751
, except for the value judgement of "meaningful" which I will leave to you. (h/t @robinkothari.bsky.social )
I'm a big fan of the GHZ record as a view into the development of quantum computers, and Mario Krenn's page tracking the evolution of this record:
mariokrenn.wordpress.com/2021/01/29/r...
For a fun exercise, count the number of Nobel laureates who are represented..
mariokrenn.wordpress.com/2021/01/29/r...
For a fun exercise, count the number of Nobel laureates who are represented..
Largest genuine Entanglement: Qubits in GHZ state
Please send additional references to mario.krenn@mpl.mpg.de.(last update: 08.05.2024; thanks to Thomas Monz for regularily sharing updates) Atoms: 2000.06 – 3 qubits:Rauschenbeutel, A., Nogue…
mariokrenn.wordpress.com
October 13, 2025 at 3:04 AM
I'm a big fan of the GHZ record as a view into the development of quantum computers, and Mario Krenn's page tracking the evolution of this record:
mariokrenn.wordpress.com/2021/01/29/r...
For a fun exercise, count the number of Nobel laureates who are represented..
mariokrenn.wordpress.com/2021/01/29/r...
For a fun exercise, count the number of Nobel laureates who are represented..
Thank for you your feedback! I will try to improve this in the future, but meanwhile if there are any specific terms in this article that it would help to have more explained please ask away.
October 6, 2025 at 3:26 PM
Thank for you your feedback! I will try to improve this in the future, but meanwhile if there are any specific terms in this article that it would help to have more explained please ask away.
And thanks to you for reminding me that I had a half-finished little blog post on the subject
October 5, 2025 at 7:24 PM
And thanks to you for reminding me that I had a half-finished little blog post on the subject
well, at least he knows?
October 4, 2025 at 8:54 PM
well, at least he knows?
So, the number of gates required in going from 15 to 21 increases by hundreds... but asymptotically, we eventually expect this to scale roughly like O((log N)^2), is that correct? Do you have any sense of the approximate size where this asymptotic scaling starts to be a more reasonable estimate?
September 3, 2025 at 2:23 AM
So, the number of gates required in going from 15 to 21 increases by hundreds... but asymptotically, we eventually expect this to scale roughly like O((log N)^2), is that correct? Do you have any sense of the approximate size where this asymptotic scaling starts to be a more reasonable estimate?
Imposter syndrome! Just push through it.
August 21, 2025 at 6:29 AM
Imposter syndrome! Just push through it.
Really appreciate that all the talks were immediately and freely available, with a nice platform that makes it easy to navigate and see the slides. Hope other conference organizers take note!
August 17, 2025 at 7:03 PM
Really appreciate that all the talks were immediately and freely available, with a nice platform that makes it easy to navigate and see the slides. Hope other conference organizers take note!
If I "believe in" an emergent difference between quantum and classical systems, in the spirit of quantum Darwinism, should I put yes or no? Honestly not sure.
July 31, 2025 at 6:17 AM
If I "believe in" an emergent difference between quantum and classical systems, in the spirit of quantum Darwinism, should I put yes or no? Honestly not sure.
Then there are claims that other quantities like contextuality are really the secret sauce:
www.nature.com/articles/nat...
Not clear to me that we get a complete answer from these developments, though, either technically or conceptually.
www.nature.com/articles/nat...
Not clear to me that we get a complete answer from these developments, though, either technically or conceptually.
Contextuality supplies the ‘magic’ for quantum computation - Nature
Quantum computing promises advantages over classical computing for certain problems; now ‘quantum contextuality’ — a generalization of the concept of quantum non-locality — is shown to be a critical r...
www.nature.com
July 7, 2025 at 1:46 AM
Then there are claims that other quantities like contextuality are really the secret sauce:
www.nature.com/articles/nat...
Not clear to me that we get a complete answer from these developments, though, either technically or conceptually.
www.nature.com/articles/nat...
Not clear to me that we get a complete answer from these developments, though, either technically or conceptually.
Well, one noteworthy claim is that you can do universal QC with little entanglement at any given time:
journals.aps.org/prl/abstract...
journals.aps.org/prl/abstract...
Universal Quantum Computation with Little Entanglement
We show that universal quantum computation can be achieved in the standard pure-state circuit model while the entanglement entropy of every bipartition is small in each step of the computation. The en...
journals.aps.org
July 7, 2025 at 1:43 AM
Well, one noteworthy claim is that you can do universal QC with little entanglement at any given time:
journals.aps.org/prl/abstract...
journals.aps.org/prl/abstract...
Reposted by Will Morong
As a physics journalist, it is fairly wild to see the names of the PIs with terminated grants: Misha Lukin, Philip Kim, Lisa Randall, Subir Sachdev, John Doyle...
bsky.app/profile/benn...
bsky.app/profile/benn...
That is a lot of physics suddenly canned.
New: We have the list of ~190 Harvard NSF grant terminations from internal agency sources. About $148 million intended funds killed. Over 1/3 are from the MPS directorate—roughly 75 math and physics grants.
May 15, 2025 at 8:54 PM
As a physics journalist, it is fairly wild to see the names of the PIs with terminated grants: Misha Lukin, Philip Kim, Lisa Randall, Subir Sachdev, John Doyle...
bsky.app/profile/benn...
bsky.app/profile/benn...
Paper: journals.aps.org/prl/abstract...
See also the nice writeup from Physics mag: physics.aps.org/articles/v18...
See also the nice writeup from Physics mag: physics.aps.org/articles/v18...
Measuring Pair Correlations in Bose and Fermi Gases via Atom-Resolved Microscopy
An innovative way to image atoms in cold gases could provide deeper insights into the atoms' quantum correlations.
journals.aps.org
May 9, 2025 at 2:19 AM
Paper: journals.aps.org/prl/abstract...
See also the nice writeup from Physics mag: physics.aps.org/articles/v18...
See also the nice writeup from Physics mag: physics.aps.org/articles/v18...
Makes sense- thanks for the context!
May 6, 2025 at 2:29 AM
Makes sense- thanks for the context!
Neat! Something that's never been clear to me about this line of classical time crystal work: to what extent do you see it as a genuinely new thing versus more of a (valuable) reinterpretation or reassessment of older work on, e.g., nonlinear driven classical systems?
May 4, 2025 at 11:59 PM
Neat! Something that's never been clear to me about this line of classical time crystal work: to what extent do you see it as a genuinely new thing versus more of a (valuable) reinterpretation or reassessment of older work on, e.g., nonlinear driven classical systems?