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Results: 1-25/26
Authors:
Nishiyama, S
da Providencia, J
da Providencia, C
Citation: S. Nishiyama et al., Approximate treatment of Time Dependent Resonating Hartree-Fock theory application to Lipkin model, ACT PHY P B, 32(3), 2001, pp. 1089-1093
Authors:
Kuriyama, A
da Providencia, J
Tsue, Y
Yamamura, M
Citation: A. Kuriyama et al., Time-evolution of the coherent and the squeezed states of many-body systems based on the basic idea of the boson mapping and the TDHF method, PROG T PH S, (141), 2001, pp. 113-178
Authors:
Kuriyama, A
da Providencia, J
Yamamura, M
Citation: A. Kuriyama et al., Canonical formulation of mixed state and irreducible representation of u(M) algebra, PROG T PH S, (141), 2001, pp. 243-284
Resonating mean-field theoretical description of pi and sigma mesons by the Nambu-Jona-Lasinio model
Authors:
Nishiyama, S
da Providencia, J
Ohno, O
Citation: S. Nishiyama et al., Resonating mean-field theoretical description of pi and sigma mesons by the Nambu-Jona-Lasinio model, NUCL PHYS A, 688(3-4), 2001, pp. 882-904
Authors:
Kuriyama, A
Providencia, C
da Providencia, J
Tsue, Y
Yamamura, M
Citation: A. Kuriyama et al., Deformed boson scheme including conventional q-deformation in time-dependent variational method. I - The case of many-body systems consisting of one kind of boson operator, PROG T PHYS, 106(4), 2001, pp. 751-763
Authors:
Kuriyama, A
Providencia, C
da Providencia, J
Tsue, Y
Yamamura, M
Citation: A. Kuriyama et al., Deformed boson scheme including conventional q-deformation in time-dependent variational method. II - Deformation of the su(2)- and the su(1,1)-algebras in the Schwinger boson representation, PROG T PHYS, 106(4), 2001, pp. 765-781
Authors:
Kuriyama, A
Providencia, C
da Providencia, J
Tsue, Y
Yamamura, R
Citation: A. Kuriyama et al., A possible boson realization of generalized Lipkin model for many-fermion system - The su(M+1)-algebraic model in non-symmetric boson representation, PROG T PHYS, 105(6), 2001, pp. 933-960
Authors:
Akaike, H
Tsue, Y
Providencia, C
da Providencia, J
Kuriyama, A
Yamamura, M
Citation: H. Akaike et al., Utility of su(1,1)-algebra in a schematic nuclear su(2)-model, PROG T PHYS, 105(5), 2001, pp. 717-728
Authors:
Kuriyama, A
da Providencia, J
Tsue, Y
Yamamura, M
Citation: A. Kuriyama et al., Pairing model and mixed state representation. I - Thermal equilibrium state, PROG T PHYS, 105(5), 2001, pp. 729-749
Authors:
Belinicher, V
da Providencia, J
Citation: V. Belinicher et J. Da Providencia, Long-wave fluctuations of the two-dimensional Heisenberg antiferromagnet, PHYSICA B, 284, 2000, pp. 1579-1580
Authors:
da Providencia, J
Walliser, H
Weigel, H
Citation: J. Da Providencia et al., Soliton formation in the Nambu-Jona-Lasinio model, NUCL PHYS A, 671(1-4), 2000, pp. 547-563
Authors:
Bashkin, EP
da Providencia, C
da Providencia, J
Citation: Ep. Bashkin et al., Spin modes in polarized He-3 clusters, PHYS REV B, 62(6), 2000, pp. 3968-3978
Authors:
Kuriyama, A
da Providencia, J
Tsue, Y
Yamamura, M
Citation: A. Kuriyama et al., Imperfect bose system and its mixed state representation. I - Thermal equilibrium state of imperfect bose system, PROG T PHYS, 104(3), 2000, pp. 555-574
Authors:
Kuriyama, A
Providencia, C
da Providencia, J
Yamamura, R
Citation: A. Kuriyama et al., On the coupling of two su(1,1) spins in the Holstein-Primakoff type boson representation, PROG T PHYS, 104(1), 2000, pp. 143-153
Authors:
Kuriyama, A
Providencia, C
da Providencia, J
Yamamura, M
Citation: A. Kuriyama et al., A note on a boson realization in many-boson system, PROG T PHYS, 104(1), 2000, pp. 155-172
Authors:
Kuriyama, A
da Providencia, J
Yamamura, N
Citation: A. Kuriyama et al., An orthogonal set constituted by eight kinds of boson operators, PROG T PHYS, 104(1), 2000, pp. 259-263
Authors:
Kuriyama, A
Providencia, C
da Providencia, J
Yamamura, M
Citation: A. Kuriyama et al., The Lipkin model in a new boson realization - Basic idea, PROG T PHYS, 103(4), 2000, pp. 733-745
Authors:
Kuriyama, A
da Providencia, J
Yamamura, M
Citation: A. Kuriyama et al., On the Schwinger boson representation of an extended (M+1)(N+1)-dimensional algebra containing the su(M+1)- and the su(N, 1)-algebra, PROG T PHYS, 103(2), 2000, pp. 285-303
Authors:
Kuriyama, A
da Providencia, J
Yamamura, M
Citation: A. Kuriyama et al., A possible description of many-body system composed of four kinds of bosonoperators - In relation to the su(2)- and the su(1,1)-algebraic model, PROG T PHYS, 103(2), 2000, pp. 305-319
Invariant spin coherent states and the theory of the quantum antiferromagnet in a paramagnetic phase
Authors:
Belinicher, VI
da Providencia, J
Citation: Vi. Belinicher et J. Da Providencia, Invariant spin coherent states and the theory of the quantum antiferromagnet in a paramagnetic phase, JETP LETTER, 72(10), 2000, pp. 521-526
Authors:
da Providencia, J
Torres, MB
Citation: J. Da Providencia et Mb. Torres, The effect of surface diffusibility on the collective modes of metal clusters, J PHYS-COND, 11(43), 1999, pp. 8459-8476
Authors:
Nishiyama, S
da Providencia, J
Citation: S. Nishiyama et J. Da Providencia, Resonating mean-field theoretical approach to the Nambu-Jona-Lasinio model- art. no. 065203, PHYS REV C, 6006(6), 1999, pp. 5203
Authors:
Kuriyama, A
da Providencia, J
Tsue, Y
Yamamura, M
Citation: A. Kuriyama et al., Instability of thermal equilibrium state of the Lipkin model, PROG T PHYS, 101(5), 1999, pp. 1001-1016
Authors:
da Providencia, J
Yamamura, M
Kuriyama, A
Citation: J. Da Providencia et al., On the q-boson realization of the su(q)(2) and su(q)(1,1) algebras - The Marumori-Yamamura-Tokunaga method, PROG T PHYS, 101(1), 1999, pp. 139-145
Authors:
Kuriyama, A
da Providencia, J
Tsue, Y
Yamamura, M
Citation: A. Kuriyama et al., A boson system interacting with an external harmonic oscillator - A possible description of statistically mixed state, PROG T PHYS, 100(6), 1998, pp. 1181-1202