Publicações

Artigos

A categorical view of Bell's inequalities in quantum field theory.
Rafael Grossi, João C. A. Barata.
arXiv:2409.14930v2 [math-ph] 22 Oct 2024.
https://arxiv.org/abs/2409.14930
Time of ocurrence observables: expanding to other symmetries.
V. Cavalheri Pereira, J. C. A. Barata.
arXiv:2310.20074 [quant-ph] 30 Oct 2023.
https://arxiv.org/pdf/2310.20074.pdf
The P(\phi)_2 Model on de Sitter Space.
João C. A. Barata, Christian D. Jäkel and Jens Mund.
Memoirs of the American Mathematical Society, Volume 281, Number 1389, pp 1-261. January (2023).
ISBNs: 978-1-4704-5548-4 (print); 978-1-4704-7322-8 (online)
http://www.ams.org/books/memo/1389/
DOI: https://doi.org/10.1090/memo/1389
Pure and mixed states.
J. C. A. Barata, M. Brum, V. Chabu, R. Correa da Silva.
Braz J Phys 51, 244-262 (2021).
https://doi.org/10.1007/s13538-020-00808-0
Phase factors of periodically driven two-level systems.
Marcela Muniz Gontijo and João C. A. Barata.
Physica Scripta, V. 95, N. 5, p. 055101 (2020).
https://dx.doi.org/10.1088/1402-4896/ab73d4
Wavepackets on de Sitter spacetime.
João C. A. Barata and Marcos Brum.
SIGMA 15, 060, 22 pages, (2019).
https://doi.org/10.3842/SIGMA.2019.060
Generalization of coherent state quantization in higher dimensional de Sitter space.
Pushpa Kalauni, Ashok Kumar, and J. C. A. Barata.
Phys. Rev. D 92, 124032 (2015).
http://dx.doi.org/10.1103/PhysRevD.92.124032
Role of Division Algebra in Seven-Dimensional Gauge Theory.
Pushpa Kalauni, J. C. A. Barata.
Mod. Phys. Lett. A. Vol. 30, No. 10 (2015) 1550047 (9 pages).
DOI:10.1142/S0217732315500479.
Reconstruction of symmetric Dirac--Maxwell equations using nonassociative algebra.
Pushpa Kalauni, J. C. A. Barata.
Int. J. of Geom. Methods in Mod. Phys. Vol. 12, No. 3 (2015) 1550029 (9 pages).
DOI:10.1142/S0219887815500292.
Localizability in de Sitter space.
N. Yokomizo and J. C. A. Barata.
J. Phys. A: Math. Theor. 45 (2012) 365401.
DOI:10.1088/1751-8113/45/36/365401
The Moore-Penrose Pseudo-Inverse. A Tutorial Review of the Theory.
M. S. Hussein and J. C. A. Barata.
Braz. J. of Phys. 42, Number 1, 146-165 (2012).
DOI: 10.1007/s13538-011-0052-z
New Asymptotic Formulae for the Point Coulomb Phase Shift.
L. F. Canto, M. S. Hussein and J. C. A. Barata.
Braz. J. of Phys. 41, Number 1, 50-58 (2011),
DOI: 10.1007/s13538-011-0005-6
A Drop of Quantum Matter.
Paulo Nussenzveig and João C. A. Barata.
Science Vol. 328. no. 5985, (section "Perspectives") pp. 1491-1492, 18 June 2010,
DOI: 10.1126/science.1191666
Multiple classical limits in relativistic and nonrelativistic quantum mechanics.
N. Yokomizo and J. C. A. Barata.
J. Math. Phys. 50, 123512 (2009).
DOI:110.1063/1.32639390.1063/1.3263939
Topological low-temperature limit of Z(2) spin-gauge theory in three dimensions.
N. Yokomizo, P. Teotonio-Sobrinho and J. C. A. Barata.
Phys. Rev. D75, 125009 (2007).
DOI:10.1103/PhysRevD.75.125009
Stability for quasi-periodically perturbed Hill's equations.
Guido Gentile, Daniel A. Cortez and João C. A. Barata.
Commun. Math. Phys. 260, 403-443 (2005).
DOI:10.1007/s00220-005-1413-7
Spectral Derivation of the Ornstein-Zernike Decay for Four-Point Functions.
Fernando Auil and João C. A. Barata.
Braz. J. of Phys. 35, 554-564 (2005).
DOI:10.1590/S0103-97332005000300030
Perturbative Analysis of Dynamical Localisation.
Daniel A. Cortez and João C. A. Barata.
J. Math. Phys 44, 1937-1960 (2003).
DOI:10.1063/1.1562750
Time Evolution of Two-Level Systems Driven by Periodic Fields.
Daniel A. Cortez and João C. A. Barata.
Phys. Lett. A. 301, 350-360 (2002).
DOI:10.1016/S0375-9601(02)01076-9
Aspects of Two-Level Systems under External Time Dependent Fields.
V. G. Bagrov, D. M. Gitman, W. F. Wreszinski and J. C. A. Barata.
J. Phys. A. Math. Gen. 34 10869-10879 (2001).
DOI:
Scattering and Bound States in Euclidean Lattice Quantum Field Theories.
Fernando Auil and João C. A. Barata.
Ann. Henri Poincaré 2, 1065-1097 (2001).
DOI:10.1007/s00023-001-8603-4
Desigualdades de Bell.
João C. A. Barata.
Apresentado no simpósio 100 Anos de Física Quântica,
realizado no Instituto de Física da USP em 14 e 15 de dezembro de 2000.
Publicado pelo Instituto de Física da USP e
Editora Livraria da Física (2001). ISBN 85-88325-05-5.
On the Distribution and Gap Structure of Lee-Yang Zeros for the Ising
Model: Periodic and Aperiodic Couplings.
Pedro S. Goldbaum and João C. A. Barata.
J. Stat. Phys. 103, 857-891 (2001).
DOI:10.1023/A:1010332500031
Convergent Perturbative Solutions of the Schrödinger Equation for
Two-Level Systems with Hamiltonians Depending Periodically on Time.
João C. A. Barata.
Ann. Henri Poincaré 2, 963-1005 (2001).
DOI:10.1007/s00023-001-8601-6
Strong Coupling Theory of Two Level Atoms in Periodic Fields.
W. F. Wreszinski and João C. A. Barata.
Phys. Rev. Lett. 84, 2112-2115 (2000).
DOI:10.1103/PhysRevLett.84.2112
On Formal Quasi-Periodic Solutions of the Schrödinger Equation for a
Two-Level System with a Hamiltonian Depending Quasi-Periodically on Time.
João C. A. Barata.
Rev. Math. Phys. 12, 25-64 (2000).
DOI:10.1142/S0129055X00000034
Spectral Properties of Weakly Coupled Landau-Ginzburg Stochastic Models.
R. S. Schor, P. A. Faria da Veiga, E. Pereira and J. C. A. Barata.
Phys. Rev. E. 59, 2689-2694 (1999).
DOI:10.1103/PhysRevE.59.2689
Singularities of the Effective Fugacity on the Ising Model on the Cayley Tree.
E. Borges Jr. and W. P. Germano and João C. A. Barata.
Physica A 253 (1998) 419-427.
DOI:10.1016/S0378-4371(98)00038-7
The Two-Point Function and the Effective Fugacity in Diluted Ising Models on the Cayley Tree.
D. H. U. Marchetti and João C. A. Barata.
Rev. Math. Phys. 10, No. 6 (1998) 751-773.
DOI:10.1142/S0129055X98000240
Dyonic Sectors and Intertwiner Connections in the 2+1-Dimensional Z_N-Higgs Model.
Florian Nill and João C. A. Barata.
Commun. Math. Phys. 191, 409-466 (1998).
DOI:10.1007/s002200050273
Griffiths' Singularities in Diluted Ising Models on the Cayley Tree.
D. H. U. Marchetti and João C. A. Barata.
Journal of Statistical Physics 88, 231-268 (1997).
DOI:10.1007/BF02508471
Electrically and Magnetically Charged States and Particles in the 2+1-dimensional Z_N-Higgs Gauge Model.
Florian Nill and João C. A. Barata.
Commun. Math. Phys. 171, 27-86 (1995).
DOI:10.1007/BF02103770
S-matrix Elements in Euclidean Lattice Theories.
João C. A. Barata.
Rev. Math. Phys. 6, 497-513 (1994).
DOI:10.1142/S0129055X94000183
Reduction Formulae for Euclidean Lattice Theories.
João C. A. Barata.
Commun. Math. Phys. 143, 545-558 (1992).
DOI:10.1007/BF02099264
Particle Scattering in Euclidean Lattice Field Theories.
Klaus Fredenhagen and João C. A. Barata.
Commun. Math. Phys. 138, 507-519 (1991).
DOI:10.1007/BF02102039
Scattering States of Charged Particles in the Z_2 Gauge Theories.
João C. A. Barata.
Commun. Math. Phys. 138, 175-191 (1991).
DOI:10.1007/BF02099673
On the Phase Structure of the Compact Abelian Lattice Higgs Model.
João C. A. Barata.
Commum. Math. Phys. 129, 511-523 (1990).
DOI:10.1007/BF02097103
Haag-Ruelle Scattering Theory for Euclidean Lattice Field Theories.
Klaus Fredenhagen and João C. A. Barata.
Proceedings do IX congress do IAMP, Swansea, U.K. 1988.
Scattering Theory for Euclidean Lattice Fields.
Klaus Fredenhagen and João C. A. Barata.
Nuclear Physics B (proc. suppl.) 4, 639-643 (1988). Proceedings of the Seilac Conference 1988.
DOI:10.1016/0920-5632(88)90170-3
Charged Particles in the Z_2 Gauge Theories.
Klaus Fredenhagen and João C. A. Barata.
Commum. Math. Phys. 112, 403-417 (1987).
DOI:10.1007/BF01221254
Absence of Charged States in the U(1) Higgs Lattice Gauge Theory.
W. F. Wreszinski and João C. A. Barata.
Commum. Math. Phys. 103, 637-668 (1986).
DOI:10.1007/BF01211168

João Carlos Alves Barata.
Departamento de Física Matemática. Instituto de Física .
Universidade de São Paulo.
Caixa Postal 66 318.
05315 970. São Paulo. SP. Brasil.
Fax: (011) 3091 6833
Tel.: (011) 3091 7002
Email: jbarata@fma.if.usp.br

JCAB