The mission of the Department of Physics at UMBC is based on three pillars: education, research and service to society. We strive to provide outstanding educational opportunities, through instruction and research, for undergraduate physics majors seeking preparation for graduate school or entry into the workforce. We also aim to train graduate students to be leaders in their field of research. Our research goal is to grow and sustain internationally recognized research groups in atmospheric physics, astrophysics, condensed matter physics and quantum optics and information science. Through our teaching of physics to non-science and non-physics majors and through our Physics for Secondary Education Teachers program, we provide professional service to the university community and the State.

Recent Submissions

  • Velocity-dependent optical forces and Maxwell’s demon 

    Franson, J. D. (Nature, 2019-09-24)
    An atom placed in a focused laser beam will experience a dipole force due to the gradient in the interaction energy, which is analogous to the well-known optical tweezers effect. This force will be dependent on the velocity ...
  • NOD-CC: A Hybrid CBR-CNN Architecture for Novel Object Discovery 

    Turner, JT; Floyd, Michael W.; Gupta, Kalyan; Oates, Tim (Springer, Cham, 2019-08-09)
    Deep Learning methods have shown a rapid increase in popularity due to their state-of-the-art performance on many machine learning tasks. However, these methods often rely on extremely large datasets to accurately train ...
  • Transmission characteristics of optical nanofibers in metastable xenon 

    Lamsal, H.P.; Franson, J.D.; Pittman, T.B. (2019-06-17)
    We study the transmission characteristics of sub-wavelength diameter silica optical nanofibers (ONF’s) surrounded with a xenon plasma produced by a low-pressure inductive RF discharge. In contrast to related experiments ...
  • Dissecting a disk-instability outburst in a symbiotic star: NuSTAR and Swift observations of T Coronae Borealis during the rise to the “super-active” state 

    Luna, G. J. M.; Nelson, T.; Mukai, K.; Sokoloski, J. L. (The Institute of Physics, 2019-08-11)
    The current super-active state of the recurrent nova T CrB has been observed with unprecedented detail. Previously published observations provide strong evidence that this state is due to an enhancement of the flow of ...
  • A Decade of Gamma-Ray Bursts Observed by Fermi-LAT: The Second GRB Catalog 

    Ajello, M.; Arimoto, M.; Axelsson, M.; Baldini, L.; Barbiellini, G.; Bastieri, D.; Bellazzini, R.; Bhat, P. N.; Bissaldi, E.; Blandford, R. D.; Bonino, R.; Bonnell, J.; Bottacini, E.; Bregeon, J.; Bruel, P.; Buehler, R.; Cameron, R. A.; Caputo, R.; Caraveo, P. A.; Cavazzuti, E.; Chen, S.; Cheung, C. C.; Chiaro, G.; Ciprini, S.; Costantin, D.; Crnogorcevic, M.; Cutini, S.; Dainotti, M.; D’Ammando, F.; Luque, P. de la Torre; Palma, F. de; Desai, A.; Desiante, R.; Lalla, N. Di; Venere, L. Di; Dirirsa, F. Fana; Fegan, S. J.; Franckowiak, A.; Fukazawa, Y.; Funk, S.; Fusco, P.; Gargano, F.; Gasparrini, D.; Giglietto, N.; Giordano, F.; Giroletti, M.; Green, D.; Grenier, I. A.; Grove, J. E.; Guiriec, S.; Hays, E.; Hewitt, J. W.; Horan, D.; Jóhannesson, G.; Kocevski, D.; Kuss, M.; Latronico, L.; Li, J.; Longo, F.; Loparco, F.; Lovellette, M. N.; Lubrano, P.; Maldera, S.; Manfreda, A.; Martí-Devesa, G.; Mazziotta, M. N.; Mereu, I.; Meyer, M.; Michelson, P. F.; Mirabal, N.; Mitthumsiri, W.; Mizuno, T.; Monzani, M. E.; Moretti, E.; Morselli, A.; Moskalenko, I. V.; Negro, M.; Nuss, E.; Ohno, M.; Omodei, N.; Orienti, M.; Orlando, E.; Palatiello, M.; Paliya, V. S.; Paneque, D.; Persic, M.; Pesce-Rollins, M.; Petrosian, V.; Piron, F.; Poolakkil, S.; Poon, H.; Porter, T. A.; Principe, G.; Racusin, J. L.; Rainò, S.; Rando, R.; Razzano, M.; Razzaque, S.; Reimer, A.; Reimer, O.; Reposeur, T.; Ryde, F.; Serini, D.; Sgrò, C.; Siskind, E. J.; Sonbas, E.; Spandre, G.; Spinelli, P.; Suson, D. J.; Tajima, H.; Takahashi, M.; Tak, D.; Thayer, J. B.; Torres, D. F.; Troja, E.; Valverde, J.; Veres, P.; Vianello, G.; Kienlin, A. von; Wood, K.; Yassine, M.; Zhu, S.; Zimmer, S. (The American Astronomical Society, 2019-06-10)
    The Large Area Telescope (LAT) aboard the Fermi spacecraft routinely observes high-energy emission from gamma-ray bursts (GRBs). Here we present the second catalog of LAT-detected GRBs, covering the first 10 yr of operations, ...
  • Third-Order Nonlinear Optical Properties of ALD Grown TiO2 Thin Films 

    Kuis, R.; Basaldua, I.; Burkins, P.; Kropp, J. A.; Gougousi, T.; Johnson, A. M. (Optical Society of America, 2019-09-15)
    Nonlinear index values as high as 1±.1x10-9 cm2/W were measured of ALD based TiO2 films. The 1000-fold increase in the index is believed to be due to the incorporation of nitrogen during growth.
  • AIRS version 6.6 and version 7 level-1C products 

    Manning, Evan M.; Strow, L. Larrabee; Aumann, Hartmut H. (SPIE, 2019-09-09)
    The Atmospheric Infrared Sounder (AIRS) introduces new Level-1C (L1C) products. AIRS Version 6.6 L1C processing addresses data quality and sampling issues as well as spectral drift, making a clean, easy to use product. ...
  • Assessing Water Budget Sensitivity to Precipitation Forcing Errors in Potomac River Basin Using the VIC Hydrologic Model CyberTraining: Big Data + High-Performance Computing + Atmospheric Sciences 

    Majumder, Reetam; Walid, Redwan; Zheng, Jianyu (2019)
    The Potomac River Basin is a watershed located on the East Coast of the USA across West Virginia, Virginia, Pennsylvania, Maryland, and the District of Columbia. Inter-annual variations in precipitation makes it challenging ...
  • An Overview of Low‐Level Jet Winds and Corresponding Mixed Layer Depths During PECAN 

    Carroll, Brian J.; Demoz, Belay B.; Delgado, Ruben (American Geophysical Union, 2019-08-09)
    Thirty southerly low‐level jet (LLJ) events were observed during the Plains Elevated Convection at Night (PECAN) field campaign in the Great Plains region of the United States during summer 2015. Here we present Doppler ...
  • Atmospheric Correction of Satellite Ocean-Color Imagery During the PACE Era 

    Frouin, Robert J.; Franz, Bryan A.; Ibrahim, Amir; Knobelspiesse, Kirk D.; Ahmad, Ziauddin; Cairns, Brian; Chowdhary, Jacek; Dierssen, Heidi M.; Tan, Jing; Dubovik, Oleg; Huang, Xin; Davis, Anthony B.; Kalashnikova, Olga; Thompson, David R.; Remer, Lorraine Ann; Boss, Emmanuel; Coddington, Odele; Deschamps, Pierre-Yves; Gao, Bo-Cai; Gross, Lydwine; Hasekamp, Otto; Omar, Ali; Pelletier, Bruno; Ramon, Didier; Steinmetz, François; Zhai, Peng-wang (Frontiers, 2019-07-26)
    The Plankton, Aerosol, Cloud, ocean Ecosystem (PACE) mission will carry into space the Ocean Color Instrument (OCI), a spectrometer measuring at 5 nm spectral resolution in the ultraviolet (UV) to near infrared (NIR) with ...
  • Retrieving Aerosol Characteristics From the PACE Mission, Part 2: Multi-Angle and Polarimetry 

    Remer, Lorraine A.; Knobelspiesse, Kirk; Zhai, Pengwang; Xu, Feng; Kalashnikova, Olga V.; Chowdhary, Jacek; Hasekamp, Otto; Dubovik, Oleg; Wu, Lianghai; Ahmad, Ziauddin; Boss, Emmanuel; Cairns, Brian; Coddington, Odele; Davis, Anthony B.; Dierssen, Heidi M.; Diner, David J.; Franz, Bryan; Frouin, Robert; Gao, Bo-Cai; Ibrahim, Amir; Levy, Robert C.; Martins, J. Vanderlei; Omar, Ali H.; Torres, Omar (Frontiers Media S.A., 2019-07-23)
    The Plankton, Aerosol, Clouds, ocean Ecosystem (PACE) mission presents new opportunities and new challenges in applying observations of two complementary multi-angle polarimeters for the space-based retrieval of global ...
  • Retrieving Aerosol Characteristics From the PACE Mission, Part 1: Ocean Color Instrument 

    Remer, Lorraine A.; Davis, Anthony B.; Mattoo, Shana; Levy, Robert C.; Kalashnikova, Olga V.; Coddington, Odele; Chowdhary, Jacek; Knobelspiesse, Kirk; Xu, Xiaoguang; Ahmad, Ziauddin; Boss, Emmanuel; Cairns, Brian; Dierssen, Heidi M.; Diner, David J.; Franz, Bryan; Frouin, Robert; Gao, Bo-Cai; Ibrahim, Amir; Martins, J. Vanderlei; Omar, Ali H.; Torres, Omar; Xu, Feng; Zhai, Peng-Wang (Frontiers Media S.A, 2019-07-23)
    NASA’s Plankton, Aerosol, Clouds, ocean Ecosystem (PACE) satellite mission is scheduled to launch in 2022, with the Ocean Color Instrument (OCI) on board. For the first time reflected sunlight from the Earth across a broad ...
  • Hybrid Causality Analysis of ENSO’s Global Impacts on Climate Variables Based on Data-Driven Analytics and Climate Model Simulation 

    Song, Hua; Tian, Jing; Huang, Jingfeng; Guo, Pei; Zhang, Zhibo; Wang, Jianwu (Frontiers, 2019-09-18)
    Numerous studies have indicated that El Niño and the southern oscillation (ENSO) could have determinant impacts on remote weather and climate using the conventional correlation-based methods, which however, cannot identify ...
  • kCARTA : A fast pseudo line-by-line radiative transfer algorithm with analytic Jacobians, fluxes, Non-Local Thermodynamic Equilibrium and scattering for the infrared 

    Machado, Sergio DeSouza; Strow, L. Larrabee; Motteler, Howard; Hannon, Scott (EGU, 2019-08-09)
    A fast pseudo-monochromatic radiative transfer package using a Singular Value Decomposition (SVD) compressed atmospheric optical depth database has been developed, primarily for use with hyperspectral sounding instruments. ...
  • Detection of Superluminal Motion in the X-Ray Jet of M87 

    Snios, Bradford; Nulsen, Paul. E. J.; Kraft, Ralph P.; Cheung, C. C.; Meyer, Eileen T.; Forman, William R.; Jones, Christine; Murray, Stephen S. (The American Astronomical Society, 2019-06-26)
    Chandra HRC observations are investigated for evidence of proper motion and brightness changes in the X-ray jet of the nearby radio galaxy M87. Using images spanning 5 yr, proper motion is measured in the X-ray knot ...
  • Spectral and Timing Analysis of the Accretion-powered Pulsar 4U 1626–67 Observed with Suzaku and NuSTAR 

    Iwakiri, Wataru B.; Pottschmidt, Katja; Falkner, Sebastian; Hemphill, Paul B.; Fürst, Felix; Nishimura, Osamu; Schwarm, Fritz-Walter; Wolff, Michael T.; Marcu-Cheatham, Diana M.; Chakrabarty, Deepto; Tomsick, John A.; Wilson-Hodge, Colleen A.; Kühnel, Matthias Bissinger; Terada, Yukikatsu; Enoto, Teruaki; Wilms, Jörn (The American Astronomical Society, 2019-06-20)
    We present an analysis of the spectral shape and pulse profile of the accretion-powered pulsar 4U 1626−67 observed with Suzaku and Nuclear Spectroscopic Telescope Array (NuSTAR) during a spin-up state. The pulsar, which ...
  • Modeling Atmosphere-Ocean Radiative Transfer: A PACE Mission Perspective 

    Chowdhary, Jacek; Zhai, Peng-Wang; Boss, Emmanuel; Dierssen, Heidi M.; Frouin, Robert; Ibrahim, Amir; Lee, Zhongping; Remer, Lorraine Ann; Twardowski, Michael; Xu, Feng; Zhang, Xiaodong; Ottaviani, Matteo; Espinosa, William Reed; Ramon, Didier (Frontiers Media S.A, 2019-06-18)
    The research frontiers of radiative transfer (RT) in coupled atmosphere-ocean systems are explored to enable new science and specifically to support the upcoming Plankton, Aerosol, Cloud ocean Ecosystem (PACE) satellite ...
  • Intercomparison of Mixing Layer Heights from the National Weather Service Ceilometer Test Sites and Collocated Radiosondes 

    Hicks, Micheal; Demoz, Belay; Vermeesch, Kevin; Atkinson, Dennis (American Meteorological Society, 2019-01-21)
    A network of automated weather stations (AWS) with ceilometers can be used to detect sky conditions, aerosol dispersion, and mixing layer heights, in addition to the routine surface meteorological parameters (temperature, ...
  • The true nature of Swift J0746.3-1608: a possible Intermediate Polar showing accretion state changes 

    Bernardini, F.; de Martino, D.; Mukai, K.; Falanga, M. (2018-12-21)
    Optical and X-ray observations suggested that the 9.38 h binary, SWIFT J0746.3- 1608 could be a Cataclysmic Variable of the magnetic or nova-like type, or a low mass X-ray binary. Its optical, UV, and X-ray light curves ...

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