Nelson Christensen

Carleton College

Affiliations

Carleton College

Physics

Nelson Christensen is a High Senior Professor at Carleton College. His research focuses on gravitational-wave astronomy, including detector characterization for LIGO and Virgo, Bayesian inference for detector noise, and the search for gravitational-wave backgrounds from sources such as extragalactic double white dwarfs for LISA. His recent work also explores the potential of cosmic string signals in binary black hole mergers and the application of nonlinear noise regression techniques. He has published extensively in leading journals, including Physical Review D and Classical and Quantum Gravity, and collaborates internationally on LIGO, Virgo, and LISA projects.

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Nelson Christensen

Carleton College

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astronomy physics general relativity astrophysics planetary sciences observational astronomy particle physics gravitational waves high-energy astrophysics space science applied physics cosmology computational astrophysics relativistic astrophysics observational cosmology quantum gravity space weather geodesy interferometry high energy physics upper limits nuclear science modern physics experimental physics lunar science periodic gravitational waves ligo data gravitational-wave bursts theoretical physics synchrotron radiation gravitation theory black holes accelerator technology accelerator physics gravitational wave emission gravitational wave bursts gravitational physics astrostatistics magnetic resonance imaging einstein telescope astroinformatics crab pulsar binary inspirals inspiral signals gamma-ray bursts schumann resonances virgo detector stochastic gravitational-wave background biomedical imaging quantum science high energy density physics advanced practice providers radiation detection numerical relativity positron emission tomography shift detection undergrounding global comparison comparative analysis geometric relativity optical wireless communication optical communications experimental gravity compact binaries spin-down limit stochastic background nature physic atomic spectroscopy geophysical prospecting scientific computing cancer imaging laser science detector physic primordial gravitational waves particle cosmology markov chain monte carlo

Notable Scholarly Works

Notable Federal Grants

Collaborators

Application of Nonlinear Noise Regression in the Virgo Detector. Physical review. D/Physical review. D. (2025)

quantitative science studiesastrophysicsplanetary sciencescalibrationgeodesyastronomynoise

Bayesian Power Spectral Density Estimation for Lisa Noise Based on P-Splines With a Parametric Boost. arXiv (Cornell University) (2025)

Coherent Injection of Magnetic Noise and Its Impact on Gravitational-Wave Searches. Physical review. D/Physical review. D. (2025)

Gravitational-Wave Background From Extragalactic Double White Dwarfs for Lisa. Astronomy and Astrophysics (2025)

GW231123: Binary Black Hole Merger or Cosmic String?. Physical review. D/Physical review. D. (2025)

Ligo Detector Characterization in the First Half of the Fourth Observing Run. Classical and Quantum Gravity (2025)

S SoniB.K BergerD DavisF.Di RenzoA EfflerT.A FerreiraJ GlanzerE GoetzG GonzálezA Helmling-CornellB HugheyR HuxfordB MannixG MoD NandiA NeunzertS NicholsK PhamA.I RenziniR.M.S SchofieldA StuverM TrevorR BedaC.P.L BerryS BhuiyanR BruntzN ChristensenL BlaggM ChanP CharltonG ConnollyR DhatriJ DingV GargK Holley-BockelmannS HourihaneK JaniK JanssensS JarovA.M KneeA LattalY LecoeucheT LittenbergA LiyanageB LottR MacasD MalakarK McgowanJ MciverM MillhouseL NuttallD NykampI OtaC RawcliffeB ScullyJ TassonA TejeraS ThieleR UdallC WinbornZ YarbroughZ ZhangR AbbottI AbouelfettouhR.X AdhikariA AnanyevaS AppertK AraiN AritomiS.M AstonM BallS.W BallmerD BarkerL BarsottiJ BetzwieserG BillingsleyS BiscansN BodeE BonillaV BossilkovA BranchA.F BrooksD.D BrownJ BryantC CahillaneH CaoE CapoteF ClaraJ CollinsC.M ComptonR CottinghamD.C CoyneR CrouchJ CsizmaziaT.J CullenL.P DartezN DemosE DohmenJ.C DriggersS.E Dwyer

physicsgravitygeneral relativityquantum gravityligo detector characterization

Variational Inference for Correlated Gravitational Wave Detector Network Noise. Physical review. D/Physical review. D. (2025)

Correlated 0.01–40 Hz Seismic and Newtonian Noise and Its Impact on Future Gravitational-Wave Detectors. Physical review. D/Physical review. D. (2024)

Grb 180128A: A Second Magnetar Giant Flare Candidate From the Sculptor Galaxy. Astronomy and Astrophysics (2024)

Aaron C. TriggEric BurnsOliver J. RobertsMichela NegroDmitry S. SvinkinMatthew G. BaringZorawar WadiasinghNelson L. ChristensenIgor AndreoniMichael S. BriggsNiccolò Di LallaDmitry D. FrederiksVladimir M. LipunovNicola OmodeiAnna V. RidnaiaPeter VeresAlexandra L. Lysenko