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|| 2020 May 8 || gautam || [[https://dcc.ligo.org/LIGO-P190412/public | GW190412: Observation of a Binary-Black-Hole Coalescence with Asymmetric Masses]] || || || 2020 May 15 || Koji || [[https://arxiv.org/abs/2004.13392 | Spitzer Observations of the Predicted Eddington Flare from Blazar OJ 287]] || [[https://doi.org/10.3847/2041-8213/ab79a4 | Spitzer Observations of the Predicted Eddington Flare from Blazar OJ 287]]|| ||
|| 2020 May 8 || gautam || [[https://dcc.ligo.org/LIGO-P190412/public | GW190412: Observation of a Binary-Black-Hole Coalescence with Asymmetric Masses]] || || 8 ||

The LIGO journal club usually meets at 3:00PM on Fridays on 2nd floor of W Bridge (room 265). We meet to discuss a recent journal article from PRL, ApJ or the like. Someone is designated as a lead, to initiate the discussion, but not to present slides or give a monologue. The lead should also post a link to the article the Tuesday before meeting in the Meetings and papers section below.

Preferably, selected articles won't be exceptionally long, and would relate (at least tangentially) to LIGO.

You will be emailed by the journal club Tsar two weeks out from your date and again a week out. The rotating roster can be found at HERE

Pandemic Time Zoom Meetings

This is the recurring zoom link for our virtual Journal Clubs ( https://caltech.zoom.us/j/620707875) still at 3 PM on Fridays. The password is the same as our teamspeak pwd for form.mit.edu.

Mailing List

To send emails to everyone: ligo-journal-club@caltech.edu

Click here to subscribe

Meetings and papers

Date

Lead

Link (pre-print or other open format) and other links

Link (official DOI peer reviewed version)

Attendance

2020 May 15

Koji

Spitzer Observations of the Predicted Eddington Flare from Blazar OJ 287

Spitzer Observations of the Predicted Eddington Flare from Blazar OJ 287

2020 May 8

gautam

GW190412: Observation of a Binary-Black-Hole Coalescence with Asymmetric Masses

8

2020 May 1

Yehonathan

Harnessing speckle for a sub-femtometre resolved broadband wavemeter and laser stabilization Overcoming the speckle correlation limit to achievea fiber wavemeter with attometer resolution

2020 Apr 24

Anchal

Highly reflective low-noise etalon-based meta-mirror

https://doi.org/10.1103/PhysRevD.98.082003

8

2020 Apr 17

Shruti

Opto-mechanical Bell Test

https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.121.220404

2020 Apr 10

Anchal

The PVLAS Experiment: measuring vacuum magnetic birefringence and dichroism with a birefringent Fabry–Perot cavity Further reading: https://cerncourier.com/a/search-for-wisps-gains-momentum/

https://doi.org/10.1140/epjc/s10052-015-3869-8

7-9

2020 Mar 13

Jon

Demonstration of interferometer enhancement through EPR entanglement

https://doi.org/10.1038/s41566-019-0583-3

2020 Mar 6

Duo

https://www.nature.com/articles/s41586-019-1157-8, "All-optical spiking neurosynaptic networks with self-learning capabilities"

https://doi.org/10.1038/s41586-019-1157-8

5

2020 Feb 7

Ian

https://arxiv.org/abs/1909.11090, "What if Planet 9 is a Primordial Black Hole?"

11

2020 Jan 24

Aidan

https://arxiv.org/abs/2001.05712, "Multi-node optical frequency dissemination with post automatic phase correction"

2020 Jan 17

Lilli

https://arxiv.org/abs/1912.04903

2020 Jan 10

Koji

arxiv:nucl-ex/1905.06308

Energy of the 229Th nuclear clock transition

2019 Dec 20

Yehonathan

https://journals.aps.org/prx/abstract/10.1103/PhysRevX.9.041025

Nanorheology of Interfacial Water during Ice Gliding

2019 Dec 13

Gabriele

arXiv:cs-LG/1912.04825

Integration of Neural Network-Based Symbolic Regression in Deep Learning for Scientific Discovery

2019 Dec 06

Shruti

arXiv:quant-ph/0412078

Quantum-Enhanced Measurements: Beating the Standard Quantum Limit

8

2019 Nov 22

Anchal

Arxiv Pre-print

Chaos in quantum channels

5

2019 Nov 15

Rana

Revsiting Cold Fusion

Commentary

2019 Nov 8

Chris

Bell's theorem for temporal order

2019 Oct 31

Raymond

Piezoelectrically Tuned Multimode Cavity Search for Axion Dark Matter

2019 Oct 11

Shreya

Gravitational Probes of Dark Matter Physics

2019 Oct 4

Jon

Novel signatures of dark matter in laser-interferometric gravitational-wave detectors

2019 Sep 27

Duo

https://www.pnas.org/content/115/9/1992

2019 Sep 13

Aaron

https://www.sciencedirect.com/science/article/pii/S0264127519303491?via%3Dihub

2019 Aug 9

Lilli

arXiv 1906.10260

2019 Aug 2

Koji

arXiv 1812.03842

Crystalline optical cavity at 4  K with thermal-noise-limited instability and ultralow drift

2019 July 26

gautam

R. Pintelon, J. Schoukens, Ch 6: "An Intuitive Introduction to Frequency Domain Identification"

~8

2019 July 12

Gabriele

Large Magellanic Cloud Cepheid Standards Provide a 1% Foundation for the Determination of the Hubble Constant and Stronger Evidence for Physics Beyond LambdaCDM Prospects for Resolving the Hubble Constant Tension with Standard Sirens https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.122.221301

2019 June 28

Nobody

Axion Dark Matter Search with Interferometric Gravitational Wave Detectors

2019 June 14

Rana

Internal structure of white dwarfs from gravitational waves Understanding the evolution of close white dwarf binaries

-

2019 Apr 26

Jon

arXiv 1812.09942

2019 Apr 12

Aaron

arXiv 1605.00539v2

Introduction to Quantum-limited Parametric Amplification of Quantum Signals with Josephson Circuits

8

2019 Apr 5

Jess

arXiv 1903.07603

Evidence for Physics Beyond Standard Model Cosmology

4

2019 Mar 15

RNaana

https://actu.epfl.ch/news/scientists-build-the-smallest-optical-frequency--5/

Microresonator-Based Optical Frequency Combs

9

2019 Mar 1

Koji

ArXiv:1810.00728

Picometer-Stable Hexagonal Optical Bench to Verify LISA Phase Extraction Linearity and Precision

6

2019 Feb 22

Aaron

Proposal for an Optomechanical Traveling Wave Phonon-Photon Translator

Phononic bandgap nano-acoustic cavity with ultralong phonon lifetime

5

2019 Feb 1

rAnA

Pair Fireball Precursors of Neutron Star Mergers

Pair fireball precursors of neutron star mergers

2019 Jan 18

Gabriele Vajente

In situ correction of mirror surface to reduce round-trip losses in Fabry–Perot cavities

Reduction of higher order mode generation in large scale gravitational wave interferometers by central heating residual aberration correction

6

Past meetings (archival)

Journal club roster 2018

You can find an ordered list of upcoming presenters HERE. The JCTsar script will chose people in this order.

If you find you can't do a week that you are assigned to then find someone willing to trade and update that spreadsheet.

Highlighted papers pool

If we are short of a presenter we will draw something from this list of papers. If you find any papers that would be interesting to discuss at future journal club meetings, then you should add them to the list on the following page:

Interesting papers

Older papers on this list can be found in the Interesting papers (archive) page.

Chooser script (Updated python)

https://github.com/fincle/RoboTsar

The python script TsarMailer.py downloads the google spreadsheet list. This sheet contains an ordered list of names and a list of public holidays to veto. It counts the number of days since the start of the year, vetoing public holidays and chooses presenters sequentially from the list. The scripts loops back to the beginning once the end is reached. An arbitrary phase shift is also added to the week number so that the list position can be twiddled in the event the presenter list length changes and position needs to be fixed.

If a swap of names is performed leaving the list length the same there is no need to adjust the phase factor.

Three other scripts exist to remind the presenter to post a paper and to remind people on the day.

Reorganization and topics

We are looking to shake up the structure of journal club by focusing attention on singular themes for month periods. The idea is to develop a deeper understanding of each topic rather than dipping into topics at random.

Please edit this section with any ideas and suggestions as we figure out exactly what we are going to cover.

Some suggested themes Experimental: - Thermal noise topics - Quantum mechanics in GW detectors and optimal detector design - Seismic cloaking and novel 'feed forward' reduction of seismic noise - Alternaive GW detectors (i.e. not laser interferometry)

Data and astrophysics: - GW sources and astrophysics of a particular class of stars (i.e. Kilonovae, pulsars etc) - Cosmology and GW detection topic (GW CMB, early universe remnants?) - Exotic blackhole high energy physics coming out of GW detection - Glitches and detector characterization (machine learning stuff too?) - Bayesian statistics and optimal parameter extraction

Other: - Effective outreach and evidence based teaching - Diversity in physics

Journal_Club (last edited 2026-03-04 05:22:35 by ChristopherwipfATligoDOTorg)