Publications

An up-to-date list (including collaboration papers as part of the LIGO Scientific Collaboration and LIGO Detector Collaboration) can be found on arXiv, Inspire, or ADS.

• Advanced LIGO detector performance in the fourth observing run, E. Capote, W. Jia, N. Aritomi, M. Nakano, V. Xu, and LIGO O4 instrument scientists, LIGO-P2400256, Phys. Rev. D 111, 062002 (2025)
• Squeezing the quantum noise of a gravitational-wave detector below the standard quantum limit, W. Jia, V. Xu, K. Kuns, M. Nakano, L. Barsotti, M. Evans, N. Mavalvala, and LIGO O4 instrument scientists, Science 385, 1318–1321 (2024)
  Selected secondary reports:

  • “We’ve just doubled the number of gravitational waves we can find,” New Scientist, September 19, 2024
• Coherence limits in lattice atom interferometry at the one-minute scale, C. D. Panda, M. Tao, J. Egelhoff, M. Ceja, V. Xu, and H. Müller, Nature Physics, 20, 1234–1239 (2024)
• Broadband quantum enhancement of the LIGO detectors with frequency-dependent squeezing, D. Ganapathy, W. Jia, M. Nakano, V. Xu, N. Aritomi, T. Cullen, N. Kijbunchoo, S. E. Dwyer, A. Mullavey, L. McCuller, L. Barsotti, and LIGO O4 instrument scientists, Phys. Rev. X 13, 041021 (2023) ^*Featured in Physics
  Selected secondary reports:

  • “LIGO Surpasses the Quantum Limit,” Caltech & MIT News + others (2023)
  • “Quieting Noise in Gravitational-Wave Detectors,” M. Rini, Physics 16, 189 (2023)
  • “Frequency-dependent squeezing pushes LIGO sensitivity to new records,” J. Miller, Physics Today 77, 1, 13–16 (2024)
• Probing squeezing for gravitational-wave detectors with an audio-band field, D. Ganapathy, V. Xu, W. Jia, C. Whittle, M. Tse, L. Barsotti, M. Evans, L. McCuller, Phys. Rev. D 105, 122005 (2022)
• Raman transitions driven by phase-modulated light in a cavity atom interferometer, S. L. Kristensen, M. Jaffe, V. Xu, C. D. Panda, and H. Müller, Phys. Rev. A 103 023715 (2021), ^*Editor’s Suggestion
• Probing gravity by holding atoms for 20 seconds, V. Xu, M. Jaffe, C. D. Panda, S. L. Kristensen, L. W. Clark, and H. Müller, Science 366, 745–749 (2019)
  Selected secondary reports:

  • “2019 Top 10 Breakthroughs of the Year,” Physics World
  • “Hold my gravimeter,” A. Taroni, Nature Physics 15, 1210 (2019)
  • “A powerful interferometer works by holding, not dropping, its atoms,” R. M. Wilson, Physics Today 73, 1, 14 (2020)
• Efficient adiabatic spin-dependent kicks in an atom interferometer, M. Jaffe, V. Xu, P. Haslinger, H. Müller, and P. Hamilton, Phys. Rev. Lett. 121, 040402 (2018)
• Attractive force on atoms due to blackbody radiation, P. Haslinger, M. Jaffe, V. Xu, O. Schwartz, M. Sonnleitner, M. Ritsch-Marte, H. Ritsch, and H. Müller, Nature Physics 14, 257–260 (2018)
  Selected secondary reports:

  • “Hot bodies are attractive,” R. Sanders, UC Berkeley News, December 8, 2017
• Testing sub-gravitational forces on atoms from a miniature, in-vacuum source mass, M. Jaffe, P. Haslinger, V. Xu, P. Hamilton, A. Upadhye, B. Elder, J. Khoury, and H. Müller, Nature Physics 13, 938–942 (2017)