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Relevant bibliographies by topics / Bosonic insulator

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Journal articles
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Academic literature on the topic 'Bosonic insulator'

Author: Grafiati

Published: 14 March 2023

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Journal articles on the topic "Bosonic insulator"

1

He, Cheng, Xiao-Chen Sun, Xiao-Ping Liu, et al. "Photonic topological insulator with broken time-reversal symmetry." Proceedings of the National Academy of Sciences 113, no. 18 (2016): 4924–28. http://dx.doi.org/10.1073/pnas.1525502113.

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A topological insulator is a material with an insulating interior but time-reversal symmetry-protected conducting edge states. Since its prediction and discovery almost a decade ago, such a symmetry-protected topological phase has been explored beyond electronic systems in the realm of photonics. Electrons are spin-1/2 particles, whereas photons are spin-1 particles. The distinct spin difference between these two kinds of particles means that their corresponding symmetry is fundamentally different. It is well understood that an electronic topological insulator is protected by the electron’s sp

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Diamantini, M. C., and C. A. Trugenberger. "Bosonic topological insulators at the superconductor-to-superinsulator transition." Journal of Mathematical Physics 64, no. 2 (2023): 021101. http://dx.doi.org/10.1063/5.0135522.

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We review the topological gauge theory of the superconductor-to-superinsulator transition. The possible intermediate Bose metal phase intervening between these two states is a bosonic topological insulator. We point out that the correct treatment of a bosonic topological insulator requires a normally neglected, additional dimensionless parameter, which arises because of the non-commutativity between the infinite gap limit and phase space reduction. We show that the bosonic topological insulator is a functional first Landau level. The additional parameter drives two Berezinskii–Kosterlitz–Thoul

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KOU, SU-PENG, and RONG-HUA LI. "BOSONIC GUTZWILLER PROJECTION APPROACH FOR THE BOSE–HUBBARD MODEL." International Journal of Modern Physics B 21, no. 02 (2007): 249–64. http://dx.doi.org/10.1142/s0217979207036497.

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In this paper, a new Bosonic Gutzwiller projection approach is proposed to study the strongly correlated bosons in optical lattice. In this method, there exist many variational parameters which make us calculate the physical characters of states, including the double occupation rate and the higher occupation rates. Based on this approach, a quantum phase transition from superfluid state to Mott insulator state is obtained for the homogenous phase at unit filling.

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Diamantini, M. C., A. Yu Mironov, S. M. Postolova, et al. "Bosonic topological insulator intermediate state in the superconductor-insulator transition." Physics Letters A 384, no. 23 (2020): 126570. http://dx.doi.org/10.1016/j.physleta.2020.126570.

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He, Yan, and Chih-Chun Chien. "Topological classifications of quadratic bosonic excitations in closed and open systems with examples." Journal of Physics: Condensed Matter 34, no. 17 (2022): 175403. http://dx.doi.org/10.1088/1361-648x/ac53da.

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Abstract The topological classifications of quadratic bosonic systems according to the symmetries of the dynamic matrices from the equations of motion of closed systems and the effective Hamiltonians from the Lindblad equations of open systems are analyzed. While the non-Hermitian dynamic matrix and effective Hamiltonian both lead to a ten-fold way table, the system-reservoir coupling may cause a system with or without coupling to a reservoir to fall into different classes. A 2D Chern insulator is shown to be insensitive to the different classifications. In contrast, we present a 1D bosonic Su

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RANNINGER, JULIUS. "SUPERFLUID TO BOSE METAL TRANSITION IN SYSTEMS WITH RESONANT PAIRING." International Journal of Modern Physics B 22, no. 25n26 (2008): 4379–85. http://dx.doi.org/10.1142/s0217979208050139.

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Experiments in thin films whose thickness can be modified and by this way induce a superconductor to insulator transition, seem to suggest that in the quantum critical regime of this phase transition there might be a Bose metal, i.e., uncondensed bosonic carriers with a finite dissipation. This poses a fundamental problem as to our understanding of how such a state could be justified. On the basis of a simple Boson-Fermion model, where bosonic and fermionic degrees of freedom are strongly inter-related via a Boson-Fermion pair exchange coupling g, we illustrate how such a bosonic metal phase c

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Cruz, G. J., R. Franco, and J. Silva-Valencia. "Mott insulator and superfluid phases in bosonic superlattices." Journal of Physics: Conference Series 687 (February 2016): 012065. http://dx.doi.org/10.1088/1742-6596/687/1/012065.

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HOU, JING-MIN. "QUANTUM PHASES OF ULTRACOLD BOSONIC ATOMS IN A TWO-DIMENSIONAL OPTICAL SUPERLATTICE." Modern Physics Letters B 23, no. 01 (2009): 25–33. http://dx.doi.org/10.1142/s0217984909017820.

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We study quantum phases of ultracold bosonic atoms in a two-dimensional optical superlattice. The extended Bose–Hubbard model derived from the system of ultracold bosonic atoms in an optical superlattice is solved numerically with the Gutzwiller approach. We find that the modulated superfluid (MS), Mott-insulator (MI) and density-wave (DW) phases appear in some regimes of parameters. The experimental detection of the first-order correlations and the second-order correlations of different quantum phases with time-of-flight and noise-correlation techniques is proposed.

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REY, ANA M., ESTEBAN A. CALZETTA, and BEI-LOK HU. "BOSE - EINSTEIN CONDENSATE SUPERFLUID - MOTT INSULATOR TRANSITION IN AN OPTICAL LATTICE." International Journal of Modern Physics B 20, no. 30n31 (2006): 5214–17. http://dx.doi.org/10.1142/s0217979206036284.

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We present in this paper an analytical model for a cold bosonic gas on an optical lattice (with densities of the order of 1 particle per site) targeting the critical regime of the Bose - Einstein Condensate superfluid - Mott insulator transition.

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Yang, Chao, Yi Liu, Yang Wang, et al. "Intermediate bosonic metallic state in the superconductor-insulator transition." Science 366, no. 6472 (2019): 1505–9. http://dx.doi.org/10.1126/science.aax5798.

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Whether a metallic ground state exists in a two-dimensional system beyond Anderson localization remains an unresolved question. We studied how quantum phase coherence evolves across superconductor–metal–insulator transitions through magnetoconductance quantum oscillations in nanopatterned high-temperature superconducting films. We tuned the degree of phase coherence by varying the etching time of our films. Between the superconducting and insulating regimes, we detected a robust intervening anomalous metallic state characterized by saturating resistance and oscillation amplitude at low tempera

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Dissertations / Theses on the topic "Bosonic insulator"

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Wen, Jun doctor of physics. "Interaction effects in topological insulators." 2012. http://hdl.handle.net/2152/19453.

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In this thesis we employ various mean-field approaches to study the shortrange interaction effects in topological insulators. We start with the Kane-Mele model on the decorated honeycomb lattice and study the stability of topological insulator phase against different perturbations. We establish an adiabatic connection between a noninteracting topological insulator and a strongly interacting spin liquid in its Majorana fermion representation. We use the Hartree-Fock mean-field approach, slave-rotor approach and slave-boson approach to study correlation effects related to topological insulators.

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TANZI, LUCA. "One-dimensional disordered bosons from weak to strong interactions: the Bose glass." Doctoral thesis, 2014. http://hdl.handle.net/2158/850906.

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ROSI, SARA. "Interacting Bosons in optical lattices: optimal control ground state production, entanglement characterization and 1D systems." Doctoral thesis, 2015. http://hdl.handle.net/2158/1004929.

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The work presented in this thesis concerns the study of quantum many-body physics by making use Bose-Einstein condensates loaded in optical lattices potentials. The first part describes the development of a new experimental strategy for the production of the degenerate atomic sample, the second part concerns the optimal control ground state production and the entanglement characterization on a systems of interacting Bosons across the superfluid - Mott insulator quantum phase transition, and the third part illustrates the study of the dynamical properties of an array of 1D gases performed via B

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Kurdestany, Jamshid Moradi. "Phases, Transitions, Patterns, And Excitations In Generalized Bose-Hubbard Models." Thesis, 2013. http://hdl.handle.net/2005/2563.

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This thesis covers most of my work in the field of ultracold atoms loaded in optical lattices. This thesis can be divided into five different parts. In Chapter 1, after a brief introduction to the field of optical lattices I review the fundamental aspects pertaining to the physics of systems in periodic potentials and a short overview of the experiments on ultracold atoms in an optical lattice. In Chapter 2 we develop an inhomogeneous mean-field theory for the extended Bose-Hubbard model with a quadratic, confining potential. In the absence of this poten¬tial, our mean-field theory yields th

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Book chapters on the topic "Bosonic insulator"

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Savchenko, A. K. "Metal-Insulator Transition in Dilute 2D Electron and Hole Gases." In Strongly Correlated Fermions and Bosons in Low-Dimensional Disordered Systems. Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0530-2_10.

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Frésard, Raymond, and Klaus Doll. "Metal to Insulator Transition in the 2-D Hubbard Model: A Slave-Boson Approach." In NATO ASI Series. Springer US, 1995. http://dx.doi.org/10.1007/978-1-4899-1042-4_43.

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"Bose metals, a.k.a. bosonic topological insulators." In Superinsulators, Bose Metals and High-Tc Superconductors. WORLD SCIENTIFIC, 2022. http://dx.doi.org/10.1142/9789811250965_0010.

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Sethna, James P. "Quantum statistical mechanics." In Statistical Mechanics: Entropy, Order Parameters, and Complexity. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198865247.003.0007.

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Quantum statistical mechanics governs metals, semiconductors, and neutron stars. Statistical mechanics spawned Planck’s invention of the quantum, and explains Bose condensation, superfluids, and superconductors. This chapter briefly describes these systems using mixed states, or more formally density matrices, and introducing the properties of bosons and fermions. We discuss in unusual detail how useful descriptions of metals and superfluids can be derived by ignoring the seemingly important interactions between their constituent electrons and atoms. Exercises explore how gregarious bosons lead to superfluids and lasers, how unsociable fermions explain transitions between white dwarfs, neutron stars, and black holes, how one calculates materials properties in semiconductors, insulators, and metals, and how statistical mechanics can explain the collapse of the quantum wavefunction during measurement.

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Sutton, Adrian P. "Quantum behaviour." In Concepts of Materials Science. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780192846839.003.0006.

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The identity and size of atoms is explicable only in quantum physics. The double slit experiment illustrates the wave-particle duality of light and of matter. To describe quantum interference the concept of a complex probability is introduced, the squared amplitude of which is the probability of a particle being at a particular location. The uncertainty relation requires atomic motion in solids even at absolute zero. The symmetry of exchanging indistinguishable particles leads to the classification of particles as fermions or bosons. The exclusion principle applies to electrons and rationalises the Periodic Table and much more. Electrons in solids exist in bands of energy. Band theory explains why some materials are electrical conductors, others are insulators or semiconductors. Chemical bonding involves quantum tunnelling of electrons. Hydrogen may diffuse in solids by quantum tunnelling. The temperature dependence of the specific heat of a solid is explicable only in quantum physics.

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Conference papers on the topic "Bosonic insulator"

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Van Mechelen, Todd, and Zubin Jacob. "Dirac-Maxwell correspondence: Spin-1 bosonic topological insulator." In CLEO: QELS_Fundamental Science. OSA, 2018. http://dx.doi.org/10.1364/cleo_qels.2018.ftu3e.4.

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Fisher, Matthew P. A. "Boson localization and the superfluid-insulator transition." In Symposium on quantum fluids and solids−1989. AIP, 1989. http://dx.doi.org/10.1063/1.38820.

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Guarrera, V., L. Fallani, J. E. Lye, C. Fort, and M. Inguscio. "Insulating phases of ultracold bosons in a disordered optical lattice: from a Mott Insulator to a Bose Glass." In ATOMIC PHYSICS 20: XX International Conference on Atomic Physics - ICAP 2006. AIP, 2006. http://dx.doi.org/10.1063/1.2400653.

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