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We apply the theory of inhomogeneous Kibble-Zurek mechanism to understand quench dynamics from the Mott insulator to the superfluid in a cold Bose gases confined in both a two-dimensional optical lattice and a harmonic trap. The local…

量子气体 · 物理学 2021-01-20 Yoshihiro Machida , Kenichi Kasamatsu

While classical theory of phase transitions deals with systems where shape variation is energetically neutral, the account of rigidity can lead to the emergence of new thermodynamic features. One of them is a special type of critical points…

材料科学 · 物理学 2024-04-18 Yury Grabovsky , Lev Truskinovsky

We study the driven dynamics across the critical points of the Yang-Lee edge singularities (YLESes) in a finite-size quantum Ising chain with an imaginary symmetry-breaking field. In contrast to the conventional classical or quantum phase…

统计力学 · 物理学 2017-02-14 Shuai Yin , Guang-Yao Huang , Chung-Yu Lo , Pochung Chen

We introduce a discrete-time quantum dynamics on a two-dimensional lattice that describes the evolution of a $1+1$-dimensional spin system. The underlying quantum map is constructed such that the reduced state at each time step is…

量子物理 · 物理学 2019-02-11 I. Lesanovsky , Katarzyna Macieszczak , Juan P. Garrahan

We study the thermodynamic phase diagram of three-dimensional $sl(N;\mathbb{R})$ higher spin black holes. By analyzing the semi-classical partition function we uncover a rich structure that includes Hawking-Page transitions to the AdS$_3$…

高能物理 - 理论 · 物理学 2017-09-06 Máximo Bañados , Gustavo Düring , Alberto Faraggi , Ignacio Reyes

Ions of the same charge inside confining potentials can form crystalline structures which can be controlled by means of the ions density and of the external trap parameters. In particular, a linear chain of trapped ions exhibits a…

量子物理 · 物理学 2014-03-11 Pietro Silvi , Tommaso Calarco , Giovanna Morigi , Simone Montangero

We have constructed a general theory describing the topological quantum phase transitions in 3D systems with broken inversion symmetry. While the consideration of the system's codimension generally predicts the appearance of a stable…

In this thesis we build a phenomenological, strongly coupled quantum field theory in $2+1$-dimensions through AdS/CFT holography, by building a $3+1$-dimensional, negatively curved gravity theory with a $SU(2)$ gauge field, and a scalar…

高能物理 - 理论 · 物理学 2025-08-05 Sebastián Bahamondes

We study a stochastic lattice gas of particles in one dimension with strictly finite-range interactions that respect the fracton-like conservation laws of total charge and dipole moment. As the charge density is varied, the connectivity of…

统计力学 · 物理学 2020-06-23 Alan Morningstar , Vedika Khemani , David A. Huse

Using molecular dynamics simulation we have investigated the influence of random pinning on the phase diagram and melting scenarios of a two-dimensional (2D) system with the Hertz potential for $\alpha=5/2$. For the first time it has been…

软凝聚态物质 · 物理学 2021-06-30 E. N. Tsiok , Yu. D. Fomin , E. A. Gaiduk , V. N. Ryzhov

Crystals of repulsively interacting ions in planar traps form hexagonal lattices, which undergo a buckling instability towards a multi-layer structure as the transverse trap frequency is reduced. Numerical and experimental results indicate…

量子气体 · 物理学 2016-09-13 Daniel Podolsky , Efrat Shimshoni , Giovanna Morigi , Shmuel Fishman

Using first-principle lattice simulations, we demonstrate that in the background of a strong magnetic field (around $10^{20}$ T), the electroweak sector of the vacuum experiences two consecutive crossover transitions associated with…

高能物理 - 格点 · 物理学 2023-12-19 M. N. Chernodub , V. A. Goy , A. V. Molochkov

We use molecular dynamics to show that plastic slip is a crucial component of the transformation mechanism of a square-to-triangular structural transition. The latter is a stylized analog of many other reconstructive phase transitions. To…

材料科学 · 物理学 2025-07-24 Kanka Ghosh , Oguz Umut Salman , Sylvain Queyreau , Lev Truskinovsky

The formation of topological defects during continuous phase transitions exhibits nonequilibrium universality. While the Kibble-Zurek mechanism (KZM) predicts universal scaling of point-like defect numbers under slow driving, the…

高能物理 - 理论 · 物理学 2026-02-02 Chuan-Yin Xia , András Grabarits , Hua-Bi Zeng , Adolfo del Campo

We study the quantum phase transition of interacting electrons in quantum wires from a one-dimensional (1D) linear configuration to a quasi-1D zigzag arrangement using quantum Monte Carlo methods. As the density increases from its lowest…

介观与纳米尺度物理 · 物理学 2014-08-21 Abhijit C. Mehta , C. J. Umrigar , Julia S. Meyer , Harold U. Baranger

The Kibble-Zurek mechanism (KZM) predicts the density of topological defects produced in the dynamical processes of phase transitions in systems ranging from cosmology to condensed matter and quantum materials. The similarity between KZM…

By using the kicked Harper model, the effect of dynamical perturbations to the localized and ballistic phases in aperiodic lattice systems is investigated. The transition from the localized phase to diffusive phase via a critical…

无序系统与神经网络 · 物理学 2023-06-28 Hiroaki S. Yamada , Kensuke S. Ikeda

The experimental realization of the quantum Kibble-Zurek mechanism in arrays of trapped Rydberg atoms has brought the problem of commensurate-incommensurate transition back into the focus of active research. Relying on equilibrium…

强关联电子 · 物理学 2024-10-04 Jose Soto Garcia , Natalia Chepiga

We consider hard-core bosons on the kagome lattice in the presence of short range repulsive interactions and focus particularly on the filling factor 1/3. In the strongly interacting limit, the low energy excitations can be described by the…

强关联电子 · 物理学 2017-02-21 Krishanu Roychowdhury , Subhro Bhattacharjee , Frank Pollmann

We discuss recent results in the study of the evolution of strongly coupled field theories in the presence of time dependent couplings using the holographic correspondence. The aim is to understand (i) thermalization and (ii) universal…

高能物理 - 理论 · 物理学 2015-06-03 Sumit R. Das