@Article{FerreiraFraMagMaiSou:2020:SpInGr,
               author = "Ferreira, Ivan S. and Frajuca, Carlos and Magalh{\~a}es, Nadja S. 
                         and Maia, M. D. and Sousa, Cl{\'a}udio M. G.",
          affiliation = "{Universidade de Bras{\'{\i}}lia (Unb)} and {Instituto Nacional 
                         de Pesquisas Espaciais (INPE)} and {Universidade Federal de 
                         S{\~a}o Paulo (UNIFESP)} and {Universidade de Bras{\'{\i}}lia 
                         (Unb)} and {Universidade Federal do Par{\'a} (UFPA)}",
                title = "The laser gravitational compass: A spheroidal interferometric 
                         gravitational observatory",
              journal = "International Journal of Modern Physics A",
                 year = "2020",
               volume = "35",
               number = "2/3",
                pages = "e2040020",
                month = "Jan.",
             keywords = "Gravitational astronomy, spherical laser observatories, geodesics, 
                         spin-2 fields.",
             abstract = "Using the observational properties of Einsteins gravitational 
                         field it is shown that a minimum of four non-coplanar mass probes 
                         are necessary for a Michelson and Morley interferometer to detect 
                         gravitational waves within the context of General Relativity. With 
                         fewer probes, some alternative theories of gravitation can also 
                         explain the observations. The conversion of the existing 
                         gravitational wave detectors to four probes is also suggested.",
                  doi = "10.1142/S0217751X20400205",
                  url = "http://dx.doi.org/10.1142/S0217751X20400205",
                 issn = "0217-751X",
             language = "en",
           targetfile = "ferreira_laser.pdf",
        urlaccessdate = "26 abr. 2024"
}