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Wuming Liu

Professor

Key Laboratory of Condensed Matter Theory and Computation,
Institute of Physics, Chinese Academy of Sciences

Email:wmliu@aphy.iphy.ac.cn

Tel:010-82649249

brief introduction
Liu Wuming, male and Hunan, was awarded a Ph.D. degree from the Institute of metals, Chinese Academy of Sciences (Professor academician zhoubenlian), and won the third National Prize for papers published in the Journal of SCI in 1994 and the special award for the scholarship of the president of the Chinese Academy of Sciences. From 1994 to 1996, he was a postdoctoral student of Physics Institute of Chinese Academy of Sciences (academician pufuke, co-operative tutor). From 1996 to 1998, he was a deputy researcher at the Institute of theoretical physics, Chinese Academy of Sciences. From 1998 to 2000, he was appointed research scientist in the Department of physics, Austin University of Texas. From 2000 to 2002, he was a research scientist at bartol Institute, Delaware University, USA. Since 2002, he has been a researcher and doctoral supervisor of Institute of physics, Chinese Academy of Sciences. He has been in Los Alamos National Laboratory, Oak Ridge National Laboratory, Berkeley Institute of mathematics, University of California, Santa Barbara Institute of theoretical physics, Pennsylvania University, Duke University, Utah University, physics, Toronto University, Canada, British Columbia University, Laue Langevin Institute, Spain CSIC Institute of physics; Department of physics, National University of Singapore; Department of physics, University of Hong Kong; Department of physics, Hong Kong University of science and technology; Department of physics, Chinese University of Hong Kong; Institute of physics, Taiwan Central Research Institute, Department of physics, Tsinghua University, Taiwan, Department of physics of Taiwan Central University visited and conducted cooperative research. From 2008 to 2011, he was the editorial board of frontiers of physics in China.
Research direction
1. Atomic molecular physics and quantum optics theory:
1.1 laser cooled atomic molecules, supercooled atomic molecules, Bose Einstein condensation, BEC BCS cross, multibody boson and fermion system theory.
2. Quantum information and quantum computing theory:
2.1 solid state quantum information and quantum computing theory;
3. Condensed state theory:
3.1 spin electron materials and spin electronics;
3.2 spin orbit coupling and spin Hall effect;
3.3 strong correlation system.
3.4 disordered system.
4. Statistical physics and Mathematical Physics:
4.1 statistical physical integrable model;
4.2 nonlinear integrable model.
Main research topics in the near future
1. the national key basic research and development plan (also known as 973 Plan) the physical and technical basis of atomic frequency standard, carries out theoretical research on Bose Einstein condensed new state of matter, and conducts in-depth theoretical research on atomic optics and atomic laser, which provides a new direction for the experiment and provides a basis for the exploration of new devices.
2. The major research program of NSFC, theoretical physics and some frontier problems in interdisciplinary disciplines, conducts theoretical research on spin orbit coupling, strong correlation and disorder system. In order to solve the problems, such as spin electron materials, high temperature superconductivity, limited small quantum systems (such as quantum dots, carbon nanotubes, photonic crystals, etc.), new materials, new state of things and new devices are solved The development and design of the company provide a solid theoretical basis.
Main research results and representative papers
1. Atomic molecular physics and quantum optics theory: mainly studies laser cooled atomic molecules, supercooled atomic molecules, Bose Einstein condensation, fermion condensation, BEC BCS The interference of two or more Bose Einstein condensates (phys.rev.lett.842294 (2000)) is studied by the theory of cross, multibody boson and fermion system, material wave, atomic optics and atomic laser. Quantum tunneling of Bose Einstein condensates in optical lattice includes Landau Zener tunneling and Wannier stark tunneling (phys.rev.lett.88170408) (2002)), solitons in Bose Einstein condensates (phys.rev.lett.94050402 (2005)) with time dependent atomic interaction parameters under external potential, quantum magnetic dynamics of polarized photons in optical microcavity arrays (phys.rev.lett.99183602) (2007)), fractional vortices and vortex lattice dynamics of spin Bose Einstein condensates (phys.rev.lett.101010402 (2008)), photon Josephson effect of microcavity polarized condensates (phys.rev.lett.102023602 (2009)), non Abelian Josephson effect between two spin Bose Einstein condensates in two optical potential (phys. rev. lett. 102, 185301 (2009)); relative phase of two component Bose Einstein condensate driven by external field (phys.rev.a 64015602 (2001)), quantum phase transition of multibody boson system in optical lattice (phys.rev.a 68043605 (2003)), soliton of spin Bose Einstein condensate in optical lattice (phys.rev.a 69053609) (2004)), the superfluid Mott insulator phase transition of dipole bosons in optical lattice (phys.rev.a 70045602 (2004)), nonlinear dynamics of Bose Einstein condensates with dipole interaction in optical lattice (phys.rev.a 71025601 (2005)), and the continuous flow of two component Bose Einstein condensates in optical lattice (phys.rev.a 71053608) (2005)), dynamics of spin Bose Einstein condensate in optical lattice (phys.rev.a 71053611 (2005)), exact soliton solution and modulation instability of spin Bose Einstein condensate (phys.rev.a 72033611 (2005)), exact solution with plane wave background of two component Bose Einstein condensate (phys.rev.e 7306610) (2006)), magnetic quantum phase transition of cold atoms in optical lattice (phys.rev.a 76, 043618 (2007)), and the soliton of Bose Einstein condensate controlled by fembach resonance and harmonic potential (phys.rev.a 77, 023613 (2008)), and quantum electrodynamics of microcavity of cold atoms in double wells (phys. rev. a 77), 033620 (2008)), solitons of Bose Einstein condensates with scattering length varying with time in repulsive parabolic synthesis potential (phys. rev. a 78, 023608 (2008)), stability of local energy gap solitons in Bose Einstein condensates in optical lattice (phys. rev. e 78, 026606 (2008)), dynamics of Josephson junction in optical microcavity (phys. rev. a 78), 043618 (2008)), the formation and transformation of two kinds of Bose Einstein condensates vector solitons which can regulate the interaction (phys. rev. a 79, 013423 (2009)), dynamics and modulation of two-dimensional Bose Einstein condensates with modulation interaction (phys. rev. a 79), 023619 (2009)), nonlinear dynamics of Bose Einstein condensates coupled with a single-mode microcavity (phys. rev. a 78, 033401 (2009)), two component Bose Einstein condensates vector solitons (phys. rev. A79) with modulation interaction in simple harmonic potential, 033630 (2009)), coherent bichromatic optical association of spin Bose Einstein condensates: single spin and mixed spin (phys. rev. a 79, 045601 (2009)).
2. Quantum information and quantum computing theory: the main research is on the quantum information and quantum calculation theory with solid materials as devices. Quantum entanglement control (phys.rev.a 74052105 (2006) in anisotropic XYZ model driven by time-dependent magnetic field is studied. The evolution equation of entangled state of two parts of systems is generally studied (phys.rev.a 79024303 (2009)).
3. Condensed state theory:
(a) Magneto Theory: the main purpose of this paper is to study the theory of spin electron materials and spin electronics. The local spin magnetic moment model and unified magnetic theory model (phys.rev.lett.83207 (1999)) in the touring magnet are established. The nonlinear dynamics of magnetic intensity of ferromagnetic with biaxial anisotropy driven by time-dependent magnetic field (phys.rev.b 6012893) is established (1999)), domain wall interaction in plane ferromagnetics (phys.rev.b 65172416 (2002)), inelastic soliton collisions in spin chains driven by time-dependent magnetic fields (phys.rev.e 68036102 (2003)), nonlinear dynamics of magnetization of ferromagnetics with spin flow (phys.rev.e 69066611) (2004)), nonlinear dynamics of magnetization of ferromagnetic nanowires with spin flow (phys.rev.b 72064410 (2005)), domain wall resonance induced by spin polarization flow in striped metal films (phys.rev.b 72172411 (2005)), self spin polarization flow in ferromagnetic nanowires (phys.rev.e 76, 026605 (2007)), ferromagnetic resonance of spin polarized magnetic films (phys.rev.b 78054420 (2008)), transients with biaxial anisotropic ferromagnetics (phys.rev.b 79014415 (2009)).
(b) The theory of nanomaterials: the local properties of disordered graphite sheet and the kosteritz thoruless quantum phase transition (phys.rev.lett. 102106401 (2009)) and the thermodynamic model of stability of organic coated nanoparticles (phys.rev.b 70205419 (2004)) were studied. The nucleation and thermodynamics of nickel as carbon nanofiber catalyst (phys.rev.b 72035453) were studied (2005)), quantum blocking and loop current of graphite chips with topological defects (phys.rev.b 78155413 (2008)).
(c) Semiconductor theory: the main research is to study spin orbit coupling, spin Hall effect, field localization of condensed system, study the nonlinear dynamics of Bloch electron under the action of electric field, find that the exact solution has multi frequency structure and oscillates with time, and the oscillation frequency is determined by external field, and the conditions for macro control localization and depolarization are found (phys.rev.b 65033102 (2002)), collapse and recovery of exciton emission in semiconductor microcavity (phys.rev.a 70013803 (2004)), quantum spin flow with low dissipation at room temperature (phys.rev.b 72045201 (2005)).
(d) Superconductivity theory: the theory of strong correlation system and disordered system is studied. The quantum tunneling of vortex in the circular Josephson junction is studied (phys.rev.b 72014546 (2005)).
4. Statistical physics and Mathematical Physics: the exact solutions, radiation solutions and long-term behaviors of integrable and near integrable systems such as coupled nonlinear Schrodinger equations, discrete nonlinear Schrodinger equations, Landau lifschitz equations are obtained by Riemann Hilbert method and backscatter method Methods the exact solutions and thermodynamics of integrable systems such as Fermi boson model with double band are obtained (phys.rev.e 7302603 (2006); phys. rev. e 74, 036614 (2006)).
Since 1991, 120 papers have been published in SCI, including phys.rev.lett.9, phys.rev.a, B and e 45, and English review articles 5.
After international search of SCI, papers published since 1991 have been cited for more than 1500 times, among which the representative work in recent years is:
135 references have been made in SCI papers on Bose Einstein condensate interference (phys.rev.lett.842294 (2000)).
The paper on quantum tunneling of Bose Einstein condensates in optical lattice (phys.rev.lett.88170408 (2002)) has been cited 105 times in SCI papers.
The solitons (phys.rev.lett.94050402 (2005)) in Bose Einstein condensates with time dependent atomic interaction parameters under external potential are cited 95 times in SCI papers.
The adiabatic dynamics of local spin magnetic moments in tour magnets (phys.rev.lett.83207 (1999)) has been cited 60 times in SCI papers.
The paper on quantum phase transition of multibody boson system in optical lattice (phys.rev.a68043605 (2003)) has been cited 45 times in SCI paper.
He has won the first prize of the science and technology progress award of the people's Liberation Army of China in 2000.
He won the second prize of the science and technology progress award of the Ministry of education in 2004.
He was awarded the National Outstanding Youth Foundation in 2005