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We study theoretically the effect of interactions between quantum phase slips in a short superconducting wire beyond the dilute phase slip approximation. In contrast to the smooth transition in dissipative Josephson junctions, our analysis…

超导电性 · 物理学 2013-05-29 Dganit Meidan , Yuval Oreg , Gil Refael

The thermodynamic behaviour of a charged and accelerating AdS black hole is studied in the context of extended phase space with variable cosmological constant. When compared to the charged AdS black hole without acceleration, a remarkable…

广义相对论与量子宇宙学 · 物理学 2019-05-22 Niloofar Abbasvandi , Wan Cong , David Kubiznak , Robert B. Mann

Symmetry-breaking is pivotal for controlling ferroelectric, ferroelastic and/or ferromagnetic functions of materials, which enables applications in sensors, memories, transducers or actuators. Commonly, ferroic phases emerge from descending…

The occurrence of abrupt dynamical transitions in the macroscopic state of a system has received growing attention. We present experimental evidence for abrupt transition via explosive synchronization in a real-world complex system, namely…

流体动力学 · 物理学 2023-09-18 Amal Joseph , Induja Pavithran , R. I. Sujith

Swap algorithms can shift the glass transition to lower temperatures, a recent unexplained observation constraining the nature of this phenomenon. Here we show that swap dynamic is governed by an effective potential describing both particle…

软凝聚态物质 · 物理学 2018-09-12 Carolina Brito , Edan Lerner , Matthieu Wyart

We construct a theory of hydrodynamic transport for systems with conserved dipole moment, U(1) charge, energy, and momentum. These models have been considered in the context of fractons, since their elementary and isolated charges are…

高能物理 - 理论 · 物理学 2024-01-30 Akash Jain , Kristan Jensen , Ruochuan Liu , Eric Mefford

In a Josephson junction, which is the central element in superconducting quantum technology, irreversibility arises from abrupt slips of the gauge-invariant quantum phase difference across the contact. A quantum phase slip (QPS) is often…

介观与纳米尺度物理 · 物理学 2023-04-19 E. Gümüş , D. Majidi , D. Nikolić , P. Raif , B. Karimi , J. T. Peltonen , E. Scheer , J. P. Pekola , H. Courtois , W. Belzig , C. B. Winkelmann

A sweep through a quantum phase transition by means of a time-dependent external parameter (e.g., pressure) entails non-equilibrium phenomena associated with a break-down of adiabaticity: At the critical point, the energy gap vanishes and…

量子物理 · 物理学 2015-05-18 Ralf Schützhold

The length-scale dependence of the dynamic entropy is studied in a molecular dynamics simulation of a binary Lennard-Jones liquid above the mode-coupling critical temperature $T_c$. A number of methods exist for estimating the entropy of…

软凝聚态物质 · 物理学 2009-10-31 Paolo Allegrini , Jack F. Douglas , Sharon C. Glotzer

Sliding phases have been long sought after in the context of coupled XY-models, as they are of relevance to various many-body systems such as layered superconductors, freestanding liquid-crystal films, and cationic lipid-DNA complexes. Here…

量子气体 · 物理学 2019-01-01 Linxiao Niu , Shengjie Jin , Xuzong Chen , Xiaopeng Li , Xiaoji Zhou

We experimentally demonstrate synchronization between two distinct ensembles of cold atoms undergoing steady state superradiance within a single longitudinal and transverse mode of the same optical cavity. The synchronization process is…

原子物理 · 物理学 2017-03-15 Joshua M. Weiner , Kevin C. Cox , Justin G. Bohnet , James K. Thompson

Supra-arcade downflows (SADs) are dark, sunward-moving structures above the arcade of flare loops. Naturally they are considered to be associated with outflows resulting from magnetic reconnection at the vertical current sheet beneath the…

太阳与恒星天体物理 · 物理学 2025-08-08 Zichao Yang , Rui Liu

Supra-arcade downflows (SADs) are dark voids descending towards the post-reconnection flare loops and exhibit obvious variation in properties like width. However, due to the lack of further statistical studies, the mechanism behind such…

太阳与恒星天体物理 · 物理学 2023-05-03 Guangyu Tan , Yijun Hou , Hui Tian

This paper represents the full version of a paper published earlier in Physica A [246 (1997), 275]. The present paper includes argumentation, proofs and details omitted in the shortened version. The papers are a further development of the…

统计力学 · 物理学 2009-02-25 V. A. Golovko

The Josephson effect represents perhaps the prototype of macroscopic phase coherence and is at the basis of the most widespread interferometer, i.e., the superconducting quantum interference device (SQUID). Yet, in analogy to electric…

介观与纳米尺度物理 · 物理学 2013-03-21 F. Giazotto , M. J. Martinez-Perez

Kinetic energy driven phase transitions in Bose superfluids occur at low values of the repulsion when the values of the next-to-nearest and next-to-next-to-nearest hopping term attain certain critical values, resulting in alterations in the…

量子气体 · 物理学 2009-05-27 A. S. Alexandrov , I. O. Thomas

An alternative scenario for the glass transition based on the cooperative nature of nucleation processes and the role of entropic effects is presented. The new ingredient is to relate the dissipation during the relaxation process to the…

统计力学 · 物理学 2007-05-23 Andrea Crisanti , Felix Ritort

Many systems in nature exhibit transitions between fluid-like states and solid-like states, or "jamming transitions". There is a strong theoretical foundation for understanding equilibrium phase transitions that involve solidification, or…

软凝聚态物质 · 物理学 2008-11-14 Michael Dennin

A full characterization of the water flow past a silicon superhydrophobic surface with longitudinal micro-grooves enclosed in a microfluidic device is presented. Fluorescence microscopy images of the flow seeded with fluorescent passive…

流体动力学 · 物理学 2014-06-13 Guido Bolognesi , Cecile Cottin-Bizonne , Christophe Pirat

We study a schematic mode-coupling model in which the ideal glass transition is cut off by a decay of the quadratic coupling constant in the memory function. (Such a decay, on a time scale tau_I, has been suggested as the likely consequence…

统计力学 · 物理学 2007-05-23 M. J. Greenall , M. E. Cates