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Journal of Physics B: Atomic, Molecular and Optical Physics, ISSN 0953-4075, 02/2015, Volume 48, Issue 4, pp. 45301 - 7
The extended Bose-Hubbard model for a double-well potential with pair tunneling is studied through both exact diagonalization and mean field theory (MFT). When... 
Extended bose-hubbard model | Effective ground state | Pair tunneling | QUANTUM DYNAMICS | EINSTEIN CONDENSATION | pair tunneling | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | effective ground state | extended Bose-Hubbard model | OPTICS | Optical lattices | Broken symmetry | Spontaneous | Tunneling | Ground state | Mathematical models | Order parameters | Wavefunctions | Fragmentation
Journal Article
Annalen der Physik, ISSN 0003-3804, 01/2018, Volume 530, Issue 1, pp. 1700245 - n/a
A spinor (F=1) Bose gas is studied in presence of a density‐density interaction through a mean field approach and a perturbation theory for either sign of the... 
harmonic confinement | Bose Hubbard model | Mott insulating | spinor ultra‐cold atoms | superfluid | charge density wave | extended interaction | supersolid | spinor ultra-cold atoms | STATES | PHYSICS, MULTIDISCIPLINARY | Analysis | Ferromagnetism | Charge density | Perturbation theory | Antiferromagnetism | Phases | Perturbation methods | Absorption spectra | Lobes | Physics - Quantum Gases
Journal Article
中国物理B:英文版, ISSN 1674-1056, 2013, Volume 22, Issue 9, pp. 539 - 546
We study systematically an extended Bose-Hubbard model on the triangular lattice by means of a meanfield method based on the Gutzwiller ansatz. Pair hopping... 
量子 | 三角晶格 | 稳定性 | 相图 | 玻色 | Hubbard模型 | 跳频 | 固体相 | pair supersolid | zero-temperature phase diagram | extended Bose-Hubbard model | pair hopping | GASES | PHYSICS, MULTIDISCIPLINARY | SUPERSOLIDS | ATOMS | PHYSICS | OPTICAL LATTICES | SUPERFLUID | Phase diagrams | Stability | Phase transformations | Lattices | Physics - Quantum Gases
Journal Article
Physica B: Physics of Condensed Matter, ISSN 0921-4526, 05/2018, Volume 536, pp. 474 - 478
Exploiting the matrix-product-state based density-matrix renormalization group (DMRG) technique we study the one-dimensional extended (U-V) Hubbard model with... 
(tricritical) Ising universality class | Extended Hubbard model | TRANSITION | INVARIANCE | PHYSICS, CONDENSED MATTER | TRICRITICAL ISING-MODEL | SPECTRUM | CHAINS | 2 DIMENSIONS | Specific gravity | Analysis | Physics - Strongly Correlated Electrons
Journal Article
International Journal of Theoretical Physics, ISSN 0020-7748, 9/2019, Volume 58, Issue 9, pp. 3149 - 3157
Metal-insulator and CDW-SDW transitions are studied in the one-dimensional Extended Hubbard Model at half-filling by analysing the behaviour of local... 
Quantum phase transition | Quantum entanglement | Theoretical, Mathematical and Computational Physics | Quantum Physics | Physics, general | Physics | Elementary Particles, Quantum Field Theory | 1D extended Hubbard model | PHYSICS, MULTIDISCIPLINARY | CHARGE | Atoms | Analysis
Journal Article
Physics Letters A, ISSN 0375-9601, 05/2019, Volume 383, Issue 14, pp. 1666 - 1670
We analytically study the quantum phase diagrams of ultracold dipolar Bose gases in an optical square lattice at zero temperature by using the generalized... 
Extended Bose-Hubbard model | Ultracold Bose gases | Quantum phase transition | Generalized effective-potential Landau theory | PHYSICS, MULTIDISCIPLINARY | INSULATOR | ULTRACOLD | BOSONS | SUPERFLUID | QUANTUM PHASE-TRANSITION | GAS | ATOMS | EDGE STATES | Physics - Quantum Gases
Journal Article
Journal of the Physical Society of Japan, ISSN 0031-9015, 2006, Volume 75, Issue 12, pp. 123701 - 1"-"123701-4
Photoconversion from a charge density wave (CDW) state to a Mott-Hubbard (MH) state in a one-dimensional (1D) extended Peierls-Hubbard system is observed by... 
photoinduced phase transition | Mott-Hubbard | coherent oscillation | charge density wave | Coherent oscillation | Charge density wave | Photoinduced phase transition | N-ELECTRONS SYSTEM | TRANSITION-METAL COMPLEXES | MIXED-VALENCE | PHYSICS, MULTIDISCIPLINARY | NONLINEAR LATTICE-RELAXATION | TRANSFER EXCITATION | 2-BAND MODEL | SOLITON
Journal Article
Journal of physics. Condensed matter : an Institute of Physics journal, ISSN 0953-8984, 01/2019, Volume 31, Issue 12, p. 125601
Using functional renormalization group method, we studied the phase diagram of the one- dimensional extended Hubbard model at different dopings. At half... 
p -wave superconductivity (PSC) | s-wave superconductivity (SSC) | functional renormalization group (FRG) | phase diagram (PD) | bond order wave (BOW) | extended Hubbard model (EHM) | TRANSITION | WAVE | PHYSICS, CONDENSED MATTER | SUPERCONDUCTIVITY | p-wave superconductivity (PSC)
Journal Article
Journal of the Physical Society of Japan, ISSN 0031-9015, 2008, Volume 77, Issue 11, pp. 114713 - 114713
Journal Article
Journal of Physics A: Mathematical and Theoretical, ISSN 1751-8113, 09/2016, Volume 49, Issue 41, p. 415001
We show that the one-dimensional extended Hubbard model has saturated ferromagnetic ground states with the spin-triplet electron pair condensation in a certain... 
spin-triplet pair | exact ground state | ferromagnetism | extended Hubbard model | Majorana edge state | PHYSICS, MULTIDISCIPLINARY | MAJORANA FERMIONS | PHYSICS, MATHEMATICAL | Physics - Strongly Correlated Electrons
Journal Article
Journal of Physics: Condensed Matter, ISSN 0953-8984, 03/2011, Volume 23, Issue 10, pp. 105601 - 12
Journal Article
Superlattices and Microstructures, ISSN 0749-6036, 2014, Volume 73, pp. 306 - 310
Using an exact diagonlization for finite square lattice and taking into account the periodic boundary conditions in the two directions, we study the spin-spin... 
Extended Hubbard Model | Antiferromagnetic correlated electrons system | PHASE-SEPARATION | PHYSICS, CONDENSED MATTER
Journal Article
Molecular Crystals and Liquid Crystals: 13th International Conference on Frontiers of Polymers and Advanced Materials (ICFPAM 2015), ISSN 1542-1406, 03/2016, Volume 628, Issue 1, pp. 162 - 166
Journal Article
Journal of Statistical Mechanics: Theory and Experiment, ISSN 1742-5468, 09/2014, Volume 2014, Issue 9, pp. P09025 - 35
Journal Article