Jia Liu


NSF Postdoctoral Fellow
Department of Astrophysical Sciences
Princeton University



RESEARCH


I spend most of my time developing cosmological simulations to study the large scale structure of our universe –– dark matter, halos, filaments, and voids. I also enjoy analyzing survey data (Planck, CFHTLenS, SDSS, etc.), partly to ensure I don't just live in my imaginary/simulated world. Once a while, I observe active galactic nuclei at optical telescopes, hoping to find supermassive black hole binaries (my secret passion)!

Education and Appointments

2016 - present: NSF postdoctoral fellow, Princeton University
2011 - 2016: PhD in Astronomy, Columbia University
2012 Summer: NSF EAPSI/JSPS Summer Program fellow, Japan Aerospace Exploration Agency
2009 - 2011: Research Assistant, Astronomy, Columbia University
2006 - 2008: MA in Human Resources & Industrial Relations, Carlson School of Management, University of Minnesota
2002 - 2006: BA in Business Management, Guangdong University Of Finance and Economics
*Read about my experience transiting from a business major to astrophysics

Publications

Arxiv, ADS

Simulations

Here you can download cosmological simulation data, including snapshots, halo catalogues, merger trees, galaxy and CMB lensing maps: ColumbiaLensing.org

Talks

2018/07 Invited: TAPIR Seminar, Caltech, Pasadena, CA
2018/07 8th Forum for New Leaders in Space Science, CAS-NAS, Pasadena, CA
2018/07 Invited: Unsolved Problems in Astrophysics and Cosmology, Budapest, Hungary
2018/06 Invited: PASCOS2018, Cleveland, OH
2018/05 Princeton Astronomy Advisory Council, Princeton, NJ
2018/01 Invited: Seminar at University of Science and Technology of China, Hefei, China
2018/01 Invited: Seminar at Purple Mountain Observatory, Nanjing, China
2018/01 7th Forum for New Leaders in Space Science, CAS-NAS, Guangzhou, China
2018/01 Invited: Seminar at University of New South Wales, Sydney, Australia
2018/01 NSF Astronomy and Astrophysics Postdoctoral Fellows Symposium, Washington D.C.
2018/01 Invited: Modeling the Extragalactic Sky, UC Berkeley, Berkeley, CA
2017/09 Invited: Seminar at Observatório Nacional, Rio de Janeiro, Brasil
2017/09 Invited: Kavli CMB Lensing Workshop, Standford University, Standford, CA
2017/05 Invited: Princeton Thunch, Princeton, NJ
2017/03 Invited: Seminar at University of Chicago Kavli Institute for Cosmological Physics, Chicago, IL
2017/03 Invited: Black Hole Network: Supermassive Black Hole Binary Workshop at the Center for Computational Astrophysics, New York, NY
2017/02 Invited: Astrophysics Seminar at Rutgers University, New Brunswick, NJ
2016/10 Invited: Informal Seminar at IAS, Princeton, NJ
2016/10 Invited: HSC Science Discussion at Princeton University, Princeton, NJ
2016/10 Invited (slides): Seminar at University of Pennsylvania, ‎Philadelphia, PA
2016/09 Invited: Seminar at Tsinghua University, Beijing, China
2016/09 Invited: Lunch talk at Peking University, Beijing, China
2016/09 Invited: Seminar at National Astronomical Observatories of China, Beijing, China
2016/07 Contributed: Celebrating a century of gravitational lensing, Leiden, Netherland
2016/05 Contributed: Cross-correlation Spectacular with LSST, Long Island, NY
2016/05 Invited: Columbia University Astronomy Colloquium, New York, NY
2016/03 Contributed: Rencontres de Moriond Cosmology, La Thuile, Italy
2016/01 Contributed: Essential Cosmology for the Next Generation, Cancun, Mexico
2016/01 Contributed: 227th AAS Dissertation Talk, Kissimmee, FL
2015/11 Invited: Astronomy Seminar at University of Hawaii, Honolulu, HI
2015/11 Contributed (slides): JSPS 6th Multidisciplinary Science Forum at UC Davis, Sacramento, CA
2015/11 Invited: Joint Princeton/IAS Cosmology Lunch, Princeton, NJ
2015/07 Contributed: Theoretical and Observational Progress on the LSS, Garching, Germany
2015/05 Invited: Joint Stony Brook/Brookhaven National Lab Cosmology Seminar, Stony Brook, NY
2014/11 Invited: Seminar at Jiaotong University, Shanghai, China
2014/10 Invited: Seminar at National Astronomical Observatories of China, Beijing, China
2014/03 Contributed: Rencontres de Moriond Cosmology, La Thuile, Italy
2014/01 Contributed: Essential Cosmology for the Next Generation, Cabo San Lucas, Mexico

Observing Runs

MDM Observatory
2016/03/03 - 03/07 MDM 2.4m Modspec + Echelle (Co-I)
2013/05/01 - 05/05 MDM 2.4m ModSpec + Templeton 1k (PI)
2011/06/26 - 07/04 MDM 2.4m CCDS
2010/12/28 - 2011/01/02 MDM 2.4m OSMOS
2010/06/07 - 06/08 MDM 2.4m CCDS (PI)
2010/03/12 - 03/16 MDM 2.4m CCDS
2009/12/14 - 12/20 MDM 2.4m CCDS & 1.3m Templeton
2009/08/19 - 08/25 MDM 2.4m CCDS & 1.3m Templeton
2009/05/25 - 05/28 MDM 2.4m CCDS with Retrocam
2009/03/17 - 03/18 MDM 2.4m CCDS (Part of an observing class)

TEACHING


DMSS: A Dark Matter Summer School at University at Albany

2018/07: One lecture on Large Scale Structure

Winter School at Observatório Nacional in Rio de Janeiro, Brasil

2017/09: Three lectures on Large Scale Structur Cross-Correlations

NJ Correctional Facilities

(Volunteer Math leader and instructor for the Prison Teaching Initiative)
2018 Spring (Garden State): Instructor MATH020 - Elementary Algebra
2017 Fall (Ft. Dix): Instructor PHY121 - Intro to Astronomy
2017 Spring (Garden State): Instructor MATH020 - Elementary Algebra
2016 Fall (Garden State): Instructor MATH015 - Pre-Algebra

Columbia University Undergraduate Courses

2014 Spring: TA C3602 Physical Cosmology (DETF slides)
2013 Fall: TA C1610 Theories of the Universe: From Babylon to the Big Bang
2013 Spring & Fall: Instructor for Observing labs
2012 Fall: TA C1903 Astronomy Lab I - Earth, Moon, and Planets
2012 Spring: TA BC1753 Life in the Universe

Barnard College Undergraduate Courses

2011 Fall: TA BC2001 Physics Lab I - Mechanics
2011 Spring: TA BC2002 Physics Lab II - Electromagnetism
2010 Fall: TA BC2001 Physics Lab I - Mechanics

Outreach Talks

2016/09 Amateur Astronomer's Association of Princeton (slides), Princeton, NJ
2014/02 Columbia Astronomy Public Outreach, New York, NY
2014/01 Public outreach: St. Marcellinius Secondary School, Mississauga, Ontario, Canada
2012/04 Gesamtkunstwerk 1020 (slides), New York, NY