Some remarks on certain special BDT-FRW solutions |
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| Authors: | Dieter Lorenz-Perzold |
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| Institution: | (1) Fakultät für Physik, University Konstanz, Germany |
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| Abstract: | We wish to point out that the BDT-FRW (k=1) special dust solution obtained by Dehnen and Obregón (1971) and the BDT-FRW (k=1) radiation solution given by Obregón and Chauvet (1978) are contained as special cases in the special perfect fluid Jordan-Brans-Dicke solution first given by Brill (1962). In addition we give a simple proof that the special BDT-FRW (k=1) vacuum solution given by Dehnen and Obregón (1972) does not exist. We finally consider the special case  =0 and present some new solutions. |
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