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Journal articles on the topic 'Quench dynamical transition work statistics'

Author: Grafiati

Published: 14 March 2023

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1

Chenu, Aurélia, Javier Molina-Vilaplana, and Adolfo del Campo. "Work Statistics, Loschmidt Echo and Information Scrambling in Chaotic Quantum Systems." Quantum 3 (March 4, 2019): 127. http://dx.doi.org/10.22331/q-2019-03-04-127.

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Characterizing the work statistics of driven complex quantum systems is generally challenging because of the exponential growth with the system size of the number of transitions involved between different energy levels. We consider the quantum work distribution associated with the driving of chaotic quantum systems described by random matrix Hamiltonians and characterize exactly the work statistics associated with a sudden quench for arbitrary temperature and system size. Knowledge of the work statistics yields the Loschmidt echo dynamics of an entangled state between two copies of the system

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2

Klinder, Jens, Hans Keßler, Matthias Wolke, Ludwig Mathey, and Andreas Hemmerich. "Dynamical phase transition in the open Dicke model." Proceedings of the National Academy of Sciences 112, no. 11 (2015): 3290–95. http://dx.doi.org/10.1073/pnas.1417132112.

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The Dicke model with a weak dissipation channel is realized by coupling a Bose–Einstein condensate to an optical cavity with ultranarrow bandwidth. We explore the dynamical critical properties of the Hepp–Lieb–Dicke phase transition by performing quenches across the phase boundary. We observe hysteresis in the transition between a homogeneous phase and a self-organized collective phase with an enclosed loop area showing power-law scaling with respect to the quench time, which suggests an interpretation within a general framework introduced by Kibble and Zurek. The observed hysteretic dynamics

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3

Meibohm, Jan, and Massimiliano Esposito. "Landau theory for finite-time dynamical phase transitions." New Journal of Physics 25, no. 2 (2023): 023034. http://dx.doi.org/10.1088/1367-2630/acbc41.

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Abstract We study the time evolution of thermodynamic observables that characterise the dissipative nature of thermal relaxation after an instantaneous temperature quench. Combining tools from stochastic thermodynamics and large-deviation theory, we develop a powerful theory for computing the large-deviation statistics of such observables. Our method naturally leads to a description in terms of a dynamical Landau theory, a versatile tool for the analysis of finite-time dynamical phase transitions. The topology of the associated Landau potential allows for an unambiguous identification of the d

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4

Schoenholz, Samuel S., Ekin D. Cubuk, Efthimios Kaxiras, and Andrea J. Liu. "Relationship between local structure and relaxation in out-of-equilibrium glassy systems." Proceedings of the National Academy of Sciences 114, no. 2 (2016): 263–67. http://dx.doi.org/10.1073/pnas.1610204114.

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The dynamical glass transition is typically taken to be the temperature at which a glassy liquid is no longer able to equilibrate on experimental timescales. Consequently, the physical properties of these systems just above or below the dynamical glass transition, such as viscosity, can change by many orders of magnitude over long periods of time following external perturbation. During this progress toward equilibrium, glassy systems exhibit a history dependence that has complicated their study. In previous work, we bridged the gap between structure and dynamics in glassy liquids above their d

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5

Behringer, R. P., Karen E. Daniels, Trushant S. Majmudar, and Matthias Sperl. "Fluctuations, correlations and transitions in granular materials: statistical mechanics for a non-conventional system." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 366, no. 1865 (2007): 493–504. http://dx.doi.org/10.1098/rsta.2007.2106.

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In this work, we first review some general properties of dense granular materials. We are particularly concerned with a statistical description of these materials, and it is in this light that we briefly describe results from four representative studies. These are: experiment 1: determining local force statistics, vector forces, force distributions and correlations for static granular systems; experiment 2: characterizing the jamming transition, for a static two-dimensional system; experiment 3: characterizing plastic failure in dense granular materials; and experiment 4: a dynamical transitio

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6

KARAKATSANIS, L. P., G. P. PAVLOS, and D. S. SFIRIS. "UNIVERSALITY OF FIRST AND SECOND ORDER PHASE TRANSITION IN SOLAR ACTIVITY: EVIDENCE FOR NONEXTENSIVE TSALLIS STATISTICS." International Journal of Bifurcation and Chaos 22, no. 09 (2012): 1250209. http://dx.doi.org/10.1142/s0218127412502094.

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In this work, we present the coexistence of self-organized criticality (SOC) and low-dimensional chaos at solar activity with results obtained by using the intermittent turbulence theory, the nonextensive q-statistics of Tsallis as well as the singular value decomposition analysis. Particularly, we show the independent dynamics of sunspot system related to the convection zone of sun and the solar flare system related to the lower solar atmosphere. However, both systems reveal nonequilibrium phase transition process from a high-dimensional intermittent turbulence state with SOC profile to a low

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7

Smith, Taylor, Ruxandra-Maria Zotta, Chris A. Boulton, Timothy M. Lenton, Wouter Dorigo, and Niklas Boers. "Reliability of resilience estimation based on multi-instrument time series." Earth System Dynamics 14, no. 1 (2023): 173–83. http://dx.doi.org/10.5194/esd-14-173-2023.

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Abstract. Many widely used observational data sets are comprised of several overlapping instrument records. While data inter-calibration techniques often yield continuous and reliable data for trend analysis, less attention is generally paid to maintaining higher-order statistics such as variance and autocorrelation. A growing body of work uses these metrics to quantify the stability or resilience of a system under study and potentially to anticipate an approaching critical transition in the system. Exploring the degree to which changes in resilience indicators such as the variance or autocorr

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8

Yen, N. V., M. T. Lan, L. T. Vinh, and N. V. Hong. "Structural properties of liquid aluminosilicate with varying Al2O3/SiO2 ratios: Insight from analysis and visualization of molecular dynamics data." Modern Physics Letters B 31, no. 05 (2017): 1750036. http://dx.doi.org/10.1142/s0217984917500361.

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Molecular dynamics (MD) simulations and visualizations were explored to investigate the changes in structure of liquid aluminosilicates. The models were constructed for four compositions with varying Al2O3/SiO2 ratio. The local structure and network topology was analyzed through the pair of radial distribution functions, bond angle, bond length and coordination number distributions. The results showed that the structure of aluminosilicates mainly consists of the basic structural units TO[Formula: see text] (T is Al or Si; y = 3, 4, 5). Two adjacent units TO[Formula: see text] are linked to eac

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9

Cao, Kaiyuan, Ming Zhong, and Peiqing Tong. "Dynamical quantum phase transition in periodic quantum Ising chains." Journal of Physics A: Mathematical and Theoretical, July 21, 2022. http://dx.doi.org/10.1088/1751-8121/ac8324.

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Abstract The dynamical quantum phase transitions (DQPTs) after a sudden quench in periodic quantum Ising chains (QICs) are studied. We obtain the formulas of the Loschmidt echo and the Fisher zeros of the Loschmidt amplitude in the periodic QIC. It’s found that for the quench across the quantum phase transitions(QPTs), the periodic QICs have richer DQPTs than that in the homogeneous QIC, and the number of critical times of the DQPTs are dependent on the specifical parameter of the preand post-quench Hamiltonian. For instance, in the period-two QIC, there is one critical time for the quench fro

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10

Wang Huan, He Xia-Yao, Li Shuai, and Liu Bo. "Quench dynamics of a spin-orbital coupled Bose-Einstein Condensate with non-linear interactions." Acta Physica Sinica, 2023, 0. http://dx.doi.org/10.7498/aps.72.20222401.

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In this work, we study the non-equilibrium quench dynamics from the superfluid stripe phase to the supersolid phase of a two dimensional spin-orbital coupled interacting Bose-Einstein Condensate in the presence of a one dimensional optical lattice. The quench protocol here is constructed through varying the lattice depth linearly with the evolution time. By using the time-dependent Gutzwiller method, various physical quantities, such as the vortex number and the overlap of wave-function, have been investigated with respect to the quench time. Through analyzing the dynamical behavior of the abo

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11

Wang, Qing-Wei. "Exact dynamical correlations of nonlocal operators in quadratic open Fermion systems: a characteristic function approach." SciPost Physics Core 5, no. 2 (2022). http://dx.doi.org/10.21468/scipostphyscore.5.2.027.

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The dynamical correlations of nonlocal operators in general quadratic open fermion systems is still a challenging problem. Here we tackle this problem by developing a new formulation of open fermion many-body systems, namely, the characteristic function approach. Illustrating the technique, we analyze a finite Kitaev chain with boundary dissipation and consider anyon-type nonlocal excitations. We give explicit formula for the Green's functions, demonstrating an asymmetric light cone induced by the anyon statistical parameter and an increasing relaxation rate with this parameter. We also analyz

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12

Chandh, Aravind, Subodh Adhikari, David Wu, et al. "Experimental Investigation of Combustion Dynamics in a High-Pressure Liquid-fueled Swirl Combustor." Journal of Engineering for Gas Turbines and Power, January 23, 2023, 1–23. http://dx.doi.org/10.1115/1.4056718.

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Abstract In this paper, we present combustor acoustics in a high-pressure liquid-fueled Rich burn - Quick quench - Lean burn (RQL) styled swirl combustor with two separate fuel circuits. The fuel circuits are the primary (which has a pressure atomizer nozzle) and secondary (which has an air blast type nozzle) circuits. The data were acquired during two dynamical regimes - combustion noise, where there is an absence of large amplitude oscillations during the unsteady combustion process, and intermittency, where there are intermittent bursts of high amplitude oscillations that appear in a near-r

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13

Tsai, Shang-Min, Maria Steinrueck, Vivien Parmentier, Nikole Lewis, and Raymond Pierrehumbert. "The climate and compositional variation of the highly eccentric planet HD 80606 b – the rise and fall of carbon monoxide and elemental sulfur." Monthly Notices of the Royal Astronomical Society, February 1, 2023. http://dx.doi.org/10.1093/mnras/stad214.

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Abstract The gas giant HD 80606 b has a highly eccentric orbit (e ∼ 0.93). The variation due to the rapid shift of stellar irradiation provides a unique opportunity to probe the physical and chemical timescales and to study the interplay between climate dynamics and atmospheric chemistry. In this work, we present integrated models to study the atmospheric responses and the underlying physical and chemical mechanisms of HD 80606 b. We first run three-dimensional general circulation models (GCMs) to establish the atmospheric thermal and dynamical structures for different atmospheric metallicitie

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14

"Transition functions, paths and path integrals." Proceedings of the Royal Society of London. Series A: Mathematical and Physical Sciences 434, no. 1890 (1991): 41–63. http://dx.doi.org/10.1098/rspa.1991.0079.

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The main theme of this expository paper is the relation between analysis and probability in the context of diffusion theory. Section 1 discusses in rather heuristic fashion the very satisfying solution to the problem of describing diffusion processes which Kolmogorov achieved via PDE theory (the theory of partial differential equations) and his criterion for path continuity. Section 2 describes how Itô calculus totally transformed the subject by allowing us to construct the sample paths of a diffusion process X by solving an SDE (stochastic differential equation) driven by brownian motion. (Of

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15

Sláma, Vladislav, Václav Perlík, Heinz Langhals, et al. "Anharmonic Molecular Motion Drives Resonance Energy Transfer in peri-Arylene Dyads." Frontiers in Chemistry 8 (November 23, 2020). http://dx.doi.org/10.3389/fchem.2020.579166.

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Spectral and dynamical properties of molecular donor-acceptor systems strongly depend on the steric arrangement of the constituents with exciton coupling J as a key control parameter. In the present work we study two peri-arylene based dyads with orthogonal and parallel transition dipoles for donor and acceptor moieties, respectively. We show that the anharmonic multi-well character of the orthogonal dyad's intramolecular potential explains findings from both stationary and time-resolved absorption experiments. While for a parallel dyad, standard quantum chemical estimates of J at 0 K are in g

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16

Mousavi, Vahid, and Salvador Miret-Artes. "Different routes to the classical limit of backflow." Journal of Physics A: Mathematical and Theoretical, November 16, 2022. http://dx.doi.org/10.1088/1751-8121/aca36e.

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Abstract Decoherence is a well established process for the emergence of classical mechanics in open quantum systems. However, it can have two different origins or mechanisms depending on the dynamics one is considering, speaking then about intrinsic decoherence for isolated systems and environmental decoherence due to dissipation/fluctuations for open systems. This second mechanism can not be considered for backflow since no thermal fluctuation terms can be added in the formalism in order to keep an important requirement for the occurrence of this effect: only contributions of positive momenta

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