
Publications:
- T. Luo, and W.H. Zheng, A theoretical model of laser induced thermal lensing effect,
Chinese Journal Lasers (in Chinese), 13(1986), 1-7, (also be translated in Chinese Physics
Laser (in English), 13(1986), 1-7).
- S. Guo, W.H. Zheng, and J. Liu, The mass gap in 2+1 dimensional U(1) lattice gauge
theory, Chinese Physics Letter, 3(1986), 445-448.
- S. Guo, W.H. Zheng, and J. Liu, Exact
ground state, mass gap and string tension in lattice gauge theory, Physical
Review D38(1988), 2591-2601.
- W.H. Zheng, J. Liu, and S. Guo, The mass gap in 2+1 dimensional SU(2) lattice gauge
theory, High Energy Physics and Nuclear Physics (in Chinese), 12(1988), 134-136, and
translated in High Energy Physics and Nuclear Physics (in English), 12(1988), 51-54.
- J. Liu, W.H. Zheng, and S. Guo, The mass gap in 2+1 dimensional SU(3) lattice gauge
theory, High Energy Physics and Nuclear Physics (in Chinese), 12(1988), 420-423, and
translated in High Energy Physics and Nuclear Physics (in English), 12(1988), 137-141.
- S. Guo and W.H. Zheng, Universality and
mass gap for a series of lattice Hamiltonians with exact ground states, Physical
Review D39(1989), 3144-3150.
- W.H. Zheng and S. Guo, Variational calculation of the glueball gap in 2+1
dimensional U(1) LGT, High Energy Physics and Nuclear Physics, 13(1989), 184-187.
- Z. Li, W. Zheng, and S. Guo, The Monte Carlo calculation of mass gap in 2+1
dimensional SU(2) lattice gauge theory, High Energy Physics and Nuclear Physics,
13(1989), 316-319.
- Z. Li, W.H. Zheng and S. Guo, The Wilson loops expectations in 2 dimensional and 3
dimensional SU(2) LGT, High Energy Physics and Nuclear Physics, 13 (1989), 512-517.
- Z. Li, W.H. Zheng, and S. Guo, The string tensions of 2+1 dimensional SU(2) lattice
gauge theory, High Energy Physics and Nuclear Physics, 13(1989), 670-672.
- S. Guo and W.H. Zheng, Reply to
comment by Roskies, Physical Review D41 (1990), 1360-1361.
- W. Zheng and S. Guo, Variational calculation of the glueball gap in 2+1 dimensional
SU(2) LGT, High Energy Physics and Nuclear Physics (in Chinese), 13(1988), 83-86, and
translated in High Energy Physics and Nuclear Physics (in English), 13(1990), 33-36.
- Q. Chen, J. Liu, Xue Xun, W. Zheng, and S. Guo, The mean-plaquette internal energy
for SU(3) gauge theory in cumulant expansion, High Energy Physics and Nuclear
Physics, 13(1990), 900-906.
- Q. Chen, W.H. Zheng, X. Luo, and X. Fang, Variational Study of <yy> in the Lattice
Schwinger Model , High Energy Physics and Nuclear Physics, 15(1991), 23-28.
- W. Zheng, J. Oitmaa, and C.J. Hamer, The
square-lattice Heisenberg antiferromagnet at T=0, Physical Review B43(1991),
8321-8330.
- C.J. Hamer, J. Oitmaa, and W.H. Zheng, Zero-temperature
properties of the quantum XY model with anisotropy, Physical Review B43(1991),
10789-10796.
- W.H. Zheng, J. Oitmaa, and C.J. Hamer, Second
order spin wave results for the quantum XXZ and XY models with anisotropy,
Physical Review B44(1991), 11869-11881.
- S. Guo, W.H. Zheng, J. Liu, and Z. Li, Relevance
of operators in modified lattice Hamiltonians, Physical Review D44(1991),
1269-1273.
- J. Oitmaa, C.J. Hamer, and W.H. Zheng, Low-temperature
series expansions for the (2+1)-dimensional Ising model, Journal of Physics
A24(1991), 2863-2867.
- C.J. Hamer, J. Oitmaa, and W.H. Zheng, Series analysis of 3-state Potts model in
(2+1) dimensions, Journal of Physics A25(1992), 1821-1833.
- J. Oitmaa, C.J. Hamer and W.H. Zheng, Quantum
Magnets on the honeycomb and triangular lattices at T=0, Physical Review
B45(1992), 9834-9841.
- C.J. Hamer, J. Oitmaa and W.H. Zheng, Series analysis of U(1) and SU(2)
lattice gauge theory in (2+1) dimensions, Physical Review D45(1992),
4652-4658.
- C.J. Hamer, W.H. Zheng and P. Arndt, Third
order spin wave theory for the Heisenberg antiferromagnet, Physical Review
B46(1992), 6276-6292.
- J. Oitmaa and W.H. Zheng, Two
parameter expansions for quantum spin systems, Journal of Physics
A25(1992), 5849-5860.
- C.J. Hamer and W.H. Zheng, Spin-wave
expansion for the O(2) Heisenberg spin model in (1+1) dimensions, Journal
of Physics A25(1992), 6211-6230.
- W.H. Zheng and C.J. Hamer, Spin-wave
theory and finite-size scaling for the Heisenberg antiferromagnet, Physical
Review B47(1993), 7961-7970.
- J. Oitmaa , J. Yang, J.A. Henderson, and W.H. Zheng, Large-U expansions for the Hubbard model at
T=0 (II), Physical Review B48(1993), 6210-6216.
- C.J. Hamer and W.H. Zheng, Weak-coupling
expansions and an effective Lagrangian for compact U(1) lattice gauge Theory in (D+1)
dimensions, Physical Review D48(1993), 4435-4449.
- C.J. Hamer, J. Oitmaa, and W.H. Zheng, Strong
coupling series for Abelian lattice gauge models in 3+1 dimensions, Physical
Review D49(1994), 535-542.
- G.A.Jr. Baker, W.H. Zheng, and J. Oitmaa, Series study of the continuous-spin
Ising model, Journal of Physics A27(1994), 3403-3405.
- W.H. Zheng, J. Oitmaa, and C.J. Hamer, Series expansions for the 3D
transverse Ising model at T=0, Journal of Physics, A27(1994), 5425-5444.
- W.H. Zheng, C.J. Hamer, and J. Oitmaa, Approximate
universality at a first-order transition -- the three-state Potts model in (3+1)
dimensions, Journal of Physics A27(1994), 5789-5800.
- J. Oitmaa, C.J. Hamer, and W.H. Zheng, Heisenberg
antiferromagnet and the XY model at T=0 in the three dimensions, Physical Review
B50(1994), 3877-3893.
- C.J. Hamer, W.H. Zheng, and J. Oitmaa, Spin-wave
stiffness of the Heisenberg antiferromagnet at zero temperature, Physical
Review B50(1994), 6877-6888.
- Q. Chen, S. Guo, W.H. Zheng, and X. Fang, Fourth-order calculation of
vacuum wave function and mass gap of SU(2) lattice gauge theory, Physical Review
D50(1994), 3564-3565.
- W.H. Zheng, J. Oitmaa, and C.J. Hamer , Comparison
between linked-cluster expansion methods for the Heisenberg antiferromagnet on the square
lattice, Physical Review B52(1995), 10278-10285.
- C.J. Hamer, W.H. Zheng, and J. Oitmaa, A
comparison between linked-cluster expansion methods for the U(1) lattice gauge model in
2+1 dimensions, Physical Review D53(1996), 1429-1438.
- S. Guo, Q. Chen, X. Fang, J. Liu, X.Q. Luo, and W.H. Zheng, Truncated eigenvalue equation and long
wavelength behavior of lattice gauge theory, Nuclear Physics B(Proc.
Suppl.) 47(1996), 827-830.
- C.J. Hamer, W.H. Zheng, and J. Oitmaa, A
comparison between linked-cluster expansion methods for the U(1) lattice gauge model in
2+1 dimensions, Nuclear Physics B (Proc. Suppl.) 47(1996), 675-678.
- J. Oitmaa, R.R.P. Singh, and W.H. Zheng, Quantum
spin ladders at T=0 and at high temperatures studied by series expansions,
Physical Review B54(1996), 1009-1018.
- J. Oitmaa and W.H. Zheng, Series
expansion for the J1-J2 Heisenberg antiferromagnet on a square
lattice, Physical Review B54(1996), 3022-3026.
- C.J. Hamer, M. Sheppeard, W.H. Zheng, and D. Schutte, Universality for SU(2) Yang-Mills theory in
2+1 dimensions, Physical Review D54(1996), 2395-2399.
- C.J. Hamer, M. Sheppeard, W.H. Zheng, A
Monte Carlo approach for SU(2) Yang-Mills theory in (2+1)D, Journal of Physics
G22 (1996), 1303-1313.
- M.P. Gelfand, W.H. Zheng, R.R.P. Singh, J. Oitmaa, and C.J. Hamer, Convergent expansions for properties of
the Heisenberg model for CaV4O9, Physical Review Letters
77(1996), 2794-2797.
- D. Schutte, W.H. Zheng and C.J. Hamer, Coupled
cluster method in Hamiltonian lattice field theory, Physical Review D55(1997),
2974-2986.
- W.H. Zheng, R.R.P. Singh, J. Oitmaa, Field
Dependence of the Magnetization for the spin-ladder material Cu2(C5H12N2)2Cl4,
Physical Review B55 (1997), 8052-8055.
- N.S. Witte, L.C.L. Hollenberg, and W.H. Zheng, Two-dimensional XXZ model
ground-state properties using an analytic Lanczos expansion, Physical Review
B55(1997), 10412-10419.
- W.H. Zheng, M.P. Gelfand, R.R.P. Singh, J. Oitmaa, and C.J. Hamer, Heisenberg models for CaV4O9:
Expansions about high-temperature, plaquette, Ising, and dimer limits, Physical
Review B55(1997), 11377-11390.
- W.H. Zheng, Various series
expansions for the bilayer S=1/2 Heisenberg antiferromagnet, Physical Review
B55(1997), 12267-12275.
- C.J. Hamer, W.H. Zheng and J. Oitmaa , Series
expansions for the massive schwinger model in Hamiltonian lattice theory,
Physical Review D56(1997), 55-67.
- M.P. Gelfand, W.H. Zheng, C.J. Hamer and J. Oitmaa, Spin-S bilayer Heisenberg models:
Mean-field arguments and numerical calculations, Physical Review B57(1998),
392-397.
- C.J. Hamer, J. Oitmaa, and W.H. Zheng, Series
Expansions for three-dimensional QED, Physical Review D57(1998), 2523-2536.
- W.H. Zheng, V. Kotov, J. Oitmaa, Studies
of a 2-chain spin ladder with frustrating neighbor interations, Phys. Rev.
B57(1998), 11439-11445.
- V. N. Kotov , O. Sushkov, W.H. Zheng, and J. Oitmaa, Novel approach to description of spin liquid
phases in low-dimensional quantum antiferromagnets, Physical Review Letter,
80(1998), 5790-5793.
- Zheng Weihong, J. Oitmaa, C. J. Hamer, Meta-Plaquette Expansion for the
Triplet Excitation Spectrum in CaV4O9, Physical Review B58
(1998) 14147-14150.
- C. J. Hamer, Zheng Weihong, and J. Oitmaa, One- and two-hole states in the
two-dimensional t-J model
via series expansions, Physical Review B 58, (1998), 15508-15519.
- W.H. Zheng, Multi-layer S=1/2
Heisenberg antiferromagnet, Physical Review B 59 (1999) 387-395.
- Rajiv R. P Singh, Zheng Weihong, Dynamical
Transition from Triplets to Spinon Excitations: A Series Expansion Study of the J1-J2-d spin-half chain, Physical Review B 59 (1999) 9911-9915.
- V. N. Kotov, J. Oitmaa, Zheng Weihong, Excitation spectrum and ground state
properties of the S=1/2 Heisenberg ladder with staggered dimerization, Physical
Review B59 (1999) 11377-11383.
- Zheng Weihong, Ross H. McKenzie, Rajiv R. P Singh, Phase diagram for a class of
spin-half Heisenberg models interpolating between the square-lattice, the
triangular-lattice and the linear chain limits, Physical Review B59 (1999)
14367-14375.
- O.P. Sushkov, V.N. Kotov, Zheng Weihong, J. Oitmaa, Novel approach to description of spin liquid
phases in low-dimensional quantum antiferromagnets, Physica B259-261 (1999),
1023-1024.
- Zheng Weihong, C. J. Hamer, J. Oitmaa, Various
series expansions for a Heisenberg antiferromagnet model for SrCu2(BO3)2,
Physical Review B60, 6608-6616(1999).
- Rajiv R. P. Singh, Zheng Weihong, C.J. Hamer, and J. Oitmaa, Dimer order with striped correlations in the
J1-J2 Heisenberg model, Physical Review
B60,7278-7283(1999).
- Valeri N. Kotov, Jaan Oitmaa, Oleg P. Sushkov, and Zheng Weihong, Low-energy singlet and triplet
excitations in the spin-liquid phase of the two-dimensional J1-J2 model, Physical Review B60, 14613-14616(1999).
- J. Oitmaa, C.J. Hamer, and Zheng Weihong, Studies
of the t-J two-leg ladder via series expansions,
Physical Review B60, 16364-16370(1999).
- Valeri N. Kotov, Jaan Oitmaa, Oleg P. Sushkov, and Zheng Weihong, Spontaneous dimer order, excitation
spectrum, and quantum phase transition in the J1-J2 Heisenberg model,
Phil. Mag. B 80, 1483 (2000).
- S. Trebst, H. Monien, C.J. Hamer, Z. Weihong, R.R.P. Singh, Strong-Coupling Expansions for
Multiparticle Excitations: Continuum and Bound States, Physical Review Letter 85,
4373(2000).
- Zheng Weihong, J. Oitmaa, C.J. Hamer, and R.J. Bursill, Numerical Studies of the
two-leg Hubbard ladder, J. Phys. C13, 433-448(2001).
- O.P. Sushkov, J. Oitmaa, Zheng Weihong, quantum phase transitions
in the two-dimensional J1-J2 model, Physical Review
B63, 104420(2001).
- Zheng Weihong, J. Oitmaa, Local
Spin Correlations in Heisenberg Antiferromagnets, Physical Review
B63, 064425(2001).
- Weihong Zheng, Chris J. Hamer, Rajiv R. P. Singh, Simon Trebst, and Hartmut
Monien, Linked cluster series
expansions for two-particle bound states, Phys. Rev. B 63, 144410 (2001).
- Weihong Zheng, Chris J. Hamer, Rajiv R.P. Singh, Simon Trebst, and Hartmut
Monien, Deconfinement
transition and bound states in frustrated Heisenberg chains: regimes of forced and
spontaneous dimerization, Phys. Rev. B 63, 144411 (2001).
- Zheng Weihong, and J. Oitmaa, Series study of the One-dimensional S-T Spin-Orbital
Model, Physical Review B 64, 014410 (2001).
- Zheng Weihong, J. Oitmaa, and C.J. Hamer, The Phase Diagram of the Shastry-Sutherland Antiferromagnet , Physical Review B 65, 014408 (2002).
- H. Rosner, R. R. P. Singh, W. H. Zheng, J. Oitmaa, S. L. Drechsler, W. E. Pickett, Realization of a large J2 quasi-2D spin-half Heisenberg system:
Li2VOSiO4, Phys. Rev. Lett. 88, 186405 (2002).
- W.H. Zheng, C.J. Hamer, J. Oitmaa and RRP Singh, Series expansions for variable electron
density,
Phys. Rev. B65, 165117 (2002).
- H. Rosner, R. R. P. Singh, W. E. Pickett, W. H. Zheng and J. Oitmaa, Electronic Structure And Exchange In
Li2VOSi4, International Journal of Modern Physics B, Vol. 16, (2002) 1649-1653.
- W.H. Zheng, C.J. Hamer, Two-Hole and Four-Hole Bound States in a
t-J Ladder at half-filling, Phys. Rev. B66, 085112(2002).
- O. P. Sushkov, J. Oitmaa, W. Zheng, Critical dynamics of singlet and triplet excitations in
strongly frustrated spin systems, Phys. Rev. B66, 054401 (2002).
- H. Rosner, R. R. P. Singh, W. H. Zheng, J. Oitmaa, W. E. Pickett, High temperature expansions for the
J1-J2 Heisenberg Models: Applications to ab-initio calculated models for
Li2VOSiO4 and Li2VOGeO4,
Phys. Rev. B67, 014416, (2003).
- J. Oitmaa and W.H. Zheng, The Kondo Lattice
Model, Proceedings of the Australian institute of Physics
15th Biennial Congress 2002. 8-11, July 2002, Sydney.
- Zheng, W., Hamer, C.J., Singh, R.R.P., Trebst, S. and Monien, H., Linked Cluster Series Expansions for Two-Particle States in Quantum Lattice
Models, Proceedings of the 11th International Conference on Recent Progress in Many-Body Theories,
eds. R.F. Bishop, T. Brandes, K.A. Gernoth, N.R. Walet and Y. Xian (World Scientific),
pp. 71-79. International Journal of Modern Physics B Vol.17, 5011(2003).
- H. Rosner, R.R.P. Singh, W.E. Pickett, W.H. Zheng, J. Oitmaa, Magnetic Hamiltonians for
Li2VOSiO4 and Li2VOGeO4, ACTA
Physica Polonica B34, 1505-1508 (2003).
- J. Oitmaa, O. Sushkov and W. Zheng, Competition between Magnetic Order and Dimerization in Low-dimensional antiferromagnets,
proceeding of CMT 25.
- W. Zheng and J. Oitmaa, Zero Temperature Series Expansions for the Kondo Lattice Model at Half Filling,
Phys. Rev B 67, 214406 (2003).
- J. Oitmaa and W. Zheng, Finite temperature strong-coupling expansions for the Kondo lattice model,
Phys. Rev B 67, 214407 (2003).
- W. Zheng and J. Oitmaa, The Mixed Spin
S=(1/2,1) XXZ Ferrimagnet at Zero Temperature: Cluster series expansions,
Phys. Rev. B 67, 224421(2003).
- R.R.P. Singh, W. Zheng, J. Oitmaa, O.P. Sushkov, and C.J. Hamer, Symmetry breaking in
the collinear phase of the J1-J2 Heisenberg Model,
Phys. Rev. Lett. 91, 017201(2003).
- Weihong Zheng, Chris J. Hamer, and Rajiv R.P. Singh, Spectral weight contributions of many-particle bound states and
continuum, Phys. Rev. Lett. 91, 037206 (2003).
- J. Oitmaa and W. Zheng, Ferrimagnetism and compensation points in a decorated 3D Ising
models, Physica A328 (2003), 185.
- T.M.R. Byrnes, C.J. Hamer, Zheng Weihong, S. Morrison, Application of
Feynman-Kleinert approximants
to the massive Schwinger model on a lattice, Phys. Rev. D68, 016002 (2003).
- C.J. Hamer, W. Zheng, and R.R.P. Singh, Dynamical Structure Factor for the Alternating Heisenberg
Chain: A Linked Cluster Calculation, Phys. Rev. B68, 214408 (2003).
- Pinaki Sengupta, Weihong Zheng, and Rajiv R.P. Singh, Criticality in coupled quantum spin-chains with competing
ladder-like and two-dimensional couplings, Phys. Rev. B69, 064428 (2004).
- J. Oitmaa and W. Zheng, Phase Diagram of the BCC S=1/2 Heisenberg Antiferromagnet with
First and Second Neighbor Exchange, Phys. Rev. B 69, 064416 (2004).
- W. Zheng, J. Oitmaa, C.J. Hamer, and R.R.P. Singh, Order and disorder in the triangular-lattice
t-J-V model at 2/3 electron density, Phys. Rev. B 70, 020504(R) (2004).
- J. Oitmaa and W. Zheng, Curie and Neel Temperatures of Quantum
Magnets, J. Phys. Condens. Matter 16, 8653-8660 (2004).
- W. Zheng, R.R.P. Singh, R.H. McKenzie, and R. Coldea, Temperature Dependence of the Magnetic Susceptibility for
Triangular-Lattice Antiferromagnets with spatially anisotropic exchange
constants,
Phys. Rev. B 71, 134422 (2005).
- W. Zheng, J. Oitmaa, C.J. Hamer, Series studies of the spin-1/2 Heisenberg antiferromagnet at T=0 : Magnon dispersion and structure
factors, Phys. Rev. B 71, 184440 (2005).
- W. Zheng, R.R.P. Singh, J. Oitmaa, O.P. Sushkov, C.J. Hamer, Magnon and hole excitations in the two-dimensional half-filled Hubbard
model, Phys. Rev. B 72, 033107 (2005).
- T. Paiva, R.T. Scalettar, W. Zheng, R.R.P. Singh, and J. Oitmaa, Ground state and finite temperature signatures of quantum
phase transitions in the half-filled Hubbard model on a honeycomb lattice,
Phys. Rev. B72, 085123 (2005).
- W. Zheng, J.O. Fjaerestad, R.R. P. Singh, R.H.McKenzie, R. Coldea, Anomalous Excitation Spectra of Frustrated Quantum
Antiferromagnets,Phys. Rev. Lett. 96, 057201 (2006).
- A. Collins, J. McEvoy, D. Robinson, C. J. Hamer, and W. Zheng, Quantum spin model with frustration on the union jack
lattice, Phys. Rev. B 73, 024407 (2006).
- A. Luscher, A.M. Lauchli, W. Zheng,and O.P. Sushkov, Single-hole properties in the two-dimensional
t-J model on the honeycomb lattice,Phys. Rev. B73, 155118 (2006).
- A. Weisse, R.J. Bursill, C.J. Hamer, and W. Zheng, t-Jz ladder: Density-matrix renormalization group and series expansion calculations of the phase diagram,
Phys. Rev. B73, 144508 (2006).
- J. Sirker, W. Zheng, O.P. Sushkov, and J. Oitmaa, J1-J2 model: First-order phase transition versus
deconfinement of spinons, Phys. Rev. B73, 184420 (2006).
- J. Oitmaa, W. Zheng, and D. Tompsett, Hard-core bosons on the triangular lattice at zero temperature: a series expansion
study, Phys. Rev. B73, 172401 (2006).