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Carbon, the fourth most abundant element in the Universe forms a metallic fluid with transient covalent bonds on melting. Its liquid-liquid phase transitions, intensely sought using simulations had been elusive. Here we use density…

Statistical Mechanics · Physics 2022-03-02 M. W. C. Dharma-wardana , Dennis D. Klug

We present simulations of the dynamic critical state for a 2D superconductor with strong pinning centers, corresponding to a matching field twice the applied magnetic field. The sharp crossover between the plastic regime, at low current…

Superconductivity · Physics 2009-10-31 D. Monier , L. Fruchter

The combination of strong correlation and emergent lattice can be achieved when quantum gases are confined in a superradiant Fabry-Perot cavity. In addition to the discoveries of exotic phases, such as density wave ordered Mott insulator…

Quantum Gases · Physics 2017-11-15 Yu Chen

This study explores transitions between states with different winding number in two-band superconducting rings. From the time-dependent Ginzburg-Landau (TDGL) equations for two-component superconductors, we apply linear instability theory…

Superconductivity · Physics 2024-08-27 Leonardo R. Cadorim , Edson Sardella , Daniel Domínguez , Jorge Berger

We study an exactly-solvable model which shows a zero-temperature transition from a non-Fermi liquid to a Fermi liquid as a function of particle density. The quantum critical point separating these two states is not associated with the…

Strongly Correlated Electrons · Physics 2016-08-31 P. C. Howell , A. J. Schofield

Hydrodynamic fluctuations have been studied in a wide variety of physical, chemical, and biological phenomena in the past decade. In high energy heavy ion collisions, there will be intrinsic fluctuations even if the initial conditions are…

Nuclear Theory · Physics 2013-06-18 Joseph I. Kapusta , Juan M. Torres-Rincon

Planets and stars are able to generate coherent large-scale magnetic fields by helical convective motions in their interiors. This process, known as hydromagnetic dynamo, involves nonlinear interaction between the flow and magnetic field.…

Fluid Dynamics · Physics 2025-05-13 Anna Guseva , Ludovic Petitdemange , Steven M. Tobias

Transition to turbulence in straight pipes occurs in spite of the linear stability of the laminar Hagen--Poiseuille flow if the amplitude of flow perturbations as well as the Reynolds number exceed a minimum threshold (subcritical…

Fluid Dynamics · Physics 2015-08-27 J. Kühnen , P. Braunshier , M. Schwegel , H. Kuhlmann , B. Hof

Weakly coupled superconducting layers are described by the three-dimensional XY model with strong coupling in two directions and weak coupling in the third direction. For the usual Josephson-type interplane coupling the coherence between…

Condensed Matter · Physics 2007-05-23 M. Dzierzawa , M. Zamora , D. Baeriswyl , X. Bagnoud

Phase diagrams play a primary role in the understanding of materials properties. For iron-based superconductors (Fe-SC), the correct definition of their phase diagrams is crucial because of the close interplay between their…

Superconductivity · Physics 2017-02-08 A. Martinelli , F. Bernardini , S. Massidda

High energy electron irradiation is an efficient way to create vacancy-interstitial Frenkel pairs in crystal lattice, thereby inducing controlled non-magnetic point - like scattering centers. In combination with London penetration depth and…

Superconductivity · Physics 2018-06-13 Kyuil Cho , M. Konczykowski , S. Teknowijoyo , M. A. Tanatar , R. Prozorov

We present a detailed description of a zero temperature phase transition between superconducting and diffusive metallic states in very thin wires due to a Cooper pair breaking mechanism. The dissipative critical theory contains current…

Superconductivity · Physics 2009-03-02 Adrian Del Maestro , Bernd Rosenow , Subir Sachdev

Specific heat curves for various pressures, in many correlated electron systems, have been seen to cross at a point. We analyze this behavior using the spin fluctuation theory. It is found that when the system is considered near a…

Strongly Correlated Electrons · Physics 2007-05-23 Suresh G. Mishra , P. A. Sreeram

At a temperature of roughly 1\,K, \ce{Sr2RuO4} undergoes a transition from a normal Fermi liquid to a superconducting phase. Even while the former is relatively simple and well understood, the superconducting state is not even after 25…

Strongly Correlated Electrons · Physics 2021-01-21 Swagata Acharya , Dimitar Pashov , Elena Chachkarova , Mark Van Schilfgaarde , Cédric Weber

Whether a quantum critical point (QCP) lies beneath the superconducting dome has been a long-standing issue that remains unresolved in many classes of unconventional superconductors, notably cuprates, heavy fermion compounds and most…

Superconductivity · Physics 2014-03-12 T. Shibauchi , A. Carrington , Y. Matsuda

The in-plane magnetoconductance of the strongly interacting two-dimensional electron system in a silicon MOSFET (metal-oxide-semiconductor-field-effect transistor) exhibits an unmistakeable kink at a well-defined electron density, $n_k$.…

Strongly Correlated Electrons · Physics 2019-04-12 Shiqi Li , Qing Zhang , Pouyan Ghaemi , M. P. Sarachik

The existence of a phase transition between two distinct liquid phases in single-component network-forming liquids (e.g., water, silica, silicon) has elicited considerable scientific interest. The challenge, both for experiments and…

Soft Condensed Matter · Physics 2022-05-30 Yagyik Goswami , Srikanth Sastry

In a local Fermi liquid (LFL), we show that there is a line of weak first order phase transitions between the ferromagnetic and paramagnetic phases due to purely quantum fluctuations. We predict that an instability towards superconductivity…

Strongly Correlated Electrons · Physics 2009-11-10 Jason Jackiewicz , Kevin S. Bedell

Two-dimensional ferromagnetic electron gases subject to random scalar potentials and Rashba spin-orbit interactions exhibit a striking quantum criticality. As disorder strength $W$ increases, the systems undergo a transition from a normal…

Mesoscale and Nanoscale Physics · Physics 2019-12-11 Weiwei Chen , C. Wang , Qinwei Shi , Qunxiang Li , X. R. Wang
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