Publications

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2005
Garcia, LG, Haas F, Goedert J, de Oliveira LPL.  2005.  Modified Zakharov equations for plasmas with a quantum correction. Phys. Plasmas. 12(1):012302.modified_Zakharov.pdf
Haas, F, Garcia LG, Goedert J.  2005.  Quantum Zakharov equations. Fourth International Winter Conference on Mathematical Methods in Physics. :015., CBPF, Rio de Janeiro: J. High Energy Phys. (SISSA, WC2004)quantum_Zakharov.pdf
Haas, F.  2005.  Stochastic quantization of time-dependent systems by the Haba and Kleinert method. Int. J. Theor. Phys. 44(1):1.stochastic_quantization.pdf
2004
Haas, F, Goedert J.  2004.  Lie point symmetries for reduced Ermakov systems. Phys. Lett. A. 332(1-2):25.Lie_point.pdf
2003
Haas, F, Garcia LG, Goedert J, Manfredi G.  2003.  Quantum ion-acoustic waves. Phys. Plasmas. 10(10):3858.quantum_ion_acoustic.pdf
Haas, F, Manfredi G, Goedert J.  2003.  Stability analysis of a three-stream quantum-plasma equilibrium. Braz. J. Phys. 33(1):128.stability_analysis.pdf
2002
Haas, F.  2002.  Anisotropic Bose-Einstein condensates and completely integrable dynamical systems. Phys. Rev. A. 65(3):33603.anisotropic_Bose.pdf
Haas, F, Goedert J.  2002.  Comment on “A note on the construction of the Ermakov-Lewis invariant”. J. Phys. A: Math. Gen. 35(46):9943.comment_note.pdf
Haas, F.  2002.  Generalized Hamiltonian structures for Ermakov systems. J. Phys. A: Math. Gen . 35(12):2925.generalized_Hamiltonian.pdf
Haas, F.  2002.  Noether symmetries for charged particle motion under a magnetic monopole and general electric fields. Comp. Appl. Math . 21:743.Noether_symmetries.pdf
2001
Haas, F, Goedert J.  2001.  Dynamical symmetries and the Ermakov invariant. Phys. Lett. A. 279(3-4):181.dynamical_symmetries.pdf
Haas, F.  2001.  Frobenius theorem and invariants for Hamiltonian systems. J. Phys. A: Math. Gen. 34(5):1005.Frobenius_theorem.pdf
Haas, F, Manfredi G, Goedert J.  2001.  Nyquist method for Wigner-Poisson quantum plasmas. Phys. Rev. E. 64(2):026413.Nyquist_method.pdf
Manfredi, G, Haas F.  2001.  Self-consistent fluid model for a quantum electron gas. Phys. Rev. B. 64(7):075316.self_consistent.pdf
Bodmann, B, Haas F, Goedert J.  2001.  Transformações de simetrias externas-internas acopladas e sua implicação na eletrodinâmica de campos vetoriais fracos-médios. Scientia. 12(1):35.transformacoes_simetrias.pdf
2000
Haas, F, Goedert J.  2000.  Lie symmetries for two-dimensional charged particle motion. J. Phys. A: Math. Gen. 33(25):4661.Lie_symmetries.pdf
Haas, F, Goedert J, Manfredi G.  2000.  Modelos de transporte em plasmas quânticos. Scientia. 11(2):01.modelos_transporte.pdf
Haas, F, Manfredi G, Feix M.  2000.  A multistream model for quantum plasmas. Phys. Rev. E. 62(2):2763.multistream_model.pdf
1999
Haas, F, Goedert J.  1999.  Lie symmetries of generalized Ermakov systems. Lecture Notes in Physics (v. 518) - Dynamical Systems, Plasmas and Gravitation. , Heidelberg : Springer-VerlagLie_Ermakov.pdf
Haas, F, Goedert J.  1999.  Movimento não relativístico de partícula carregada em campo magnético dependente do tempo – soluções exatas. Scientia. 10:101.movimento_nao_relativistico.pdf
Haas, F, Goedert J.  1999.  Noether symmetries for two-dimensional charged particle motion. J. Phys. A: Math. Gen. 32(39):6837.Noether_symmetries_2D.pdf
Haas, F, Goedert J.  1999.  On the linearization of the generalized Ermakov systems. J. Phys. A: Math. Gen. 32(15):2835.linearization_generalized.pdf
Haas, F, Goedert J.  1999.  Sobre a integrabilidade de problemas em mecânica clássica com dependência temporal explícita. Revista Brasileira de Ensino de Física. 21(1):14.sobre_integrabilidade.pdf
1998
Goedert, J, Haas F.  1998.  On the Lie symmetries of a class of generalized Ermakov systems. Phys. Lett. A. 239(6):348.Lie_symmetries_class.pdf
Haas, F.  1998.  Sistemas de Ermakov generalizados, simetrias e invariantes exatos. , Porto Alegre: UFRGSphd_thesis.pdf