搜索结果: 1-15 共查到“理学 criticality”相关记录48条 . 查询时间(0.117 秒)
The approach to criticality in sandpiles
approach to criticality sandpiles
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2015/8/14
A popular theory of self-organized criticality predicts that the stationary density of the abelian sandpile model equals the threshold density of the corresponding fixed-energy sandpile. We recently a...
Driving Sandpiles to Criticality and Beyond
Driving Sandpiles Criticality Beyond
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2015/8/14
A popular theory of self-organized criticality relates driven dissipative systems to systems with conservation. This theory predicts that the stationary density of the abelian sandpile model equals th...
Evidence mounts for quantum criticality theory（图）
Evidence mounts quantum criticality theory
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2015/3/4
A new study by a team of physicists at Rice University, Zhejiang University, Los Alamos National Laboratory, Florida State University and the Max Planck Institute adds to the growing body of evidence ...
Ginzburg-Landau-Wilson Aspects of Deconfined Criticality
Monte carlo spin vibrator parameters combined with the data
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2014/12/20
Monte Carlo study of the deconfined critical action phase diagram reveals a region where spinon deconfinement occurs through a weak first-order phase transition, in agreement with Ginzburg- Landau the...
Deconfined criticality, runaway flow in the two-component scalar electrodynamics and weak first-order superfluid-solid transitions
The monte carlo model strong coupling mechanism weak coupling triple point coupling
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2014/12/20
We perform a comparative Monte Carlo study of the easy-plane deconfined critical point (DCP) action and its short-range counterpart to reveal close similarities between the two models for intermediate...
Search for Deconfined Criticality: SU(2) D′ej`a Vu
Monte carlo simulation renormalization flow coupling ferromagnetic materials solid quantum
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2014/12/19
Monte Carlo simulations of the SU(2)-symmetric deconfined critical point action reveal strong violations of scale invariance for the deconfinement transition. We find compelling evidence that the gene...
Criticality in Trapped Atomic Systems
The atomic system density image yield and parameters
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2014/12/19
We discuss generic limits posed by the trap in atomic systems on the accurate determination of critical parameters for second-order phase transitions, from which we deduce optimal protocols to extract...
Phase-transitions, criticality, and life's emergence
field-controlled colloids proto-metabolic cycle driving long-range correlation organic takeover phase-transition
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2012/4/28
Critical-like characteristics in open living systems at each organizational level (from bio-molecules to ecosystems) indicate that non-equilibrium phase transitions into absorbing states lead to self-...
Quasi-polynomial mixing of the 2D stochastic Ising model with "plus" boundary up to criticality
Ising model Mixing time Phase coexistence Glauber dynamics
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2011/1/18
We considerably improve upon the recent result of [34] on the mixing time of Glauber dynamics for the 2d Ising model in a box of side L at low temperature and with random boundary conditions whose dis...
Sub-criticality of non-local Schrödinger systems with antisymmetric potentials and applications to half-harmonic maps
Harmonic maps nonlinear elliptic PDE’s regularity of solutions
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2011/1/20
We consider nonlocal linear Schr¨odinger-type critical systems of the type 1/4v = v in IR. (1) where is antisymmetric potential in L2(IR, so(m)), v is a IRm valued map and
v denotes the matrix mu...
Are biological systems poised at criticality?
biological systems criticality
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2010/12/28
Many of life's most fascinating phenomena emerge from interactions among many elements|many
amino acids determine the structure of a single protein, many genes determine the fate of a cell,many neuro...
Are biological systems poised at criticality?
biological systems criticality
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2011/1/5
Many of life's most fascinating phenomena emerge from interactions among many elements--many amino acids determine the structure of a single protein, many genes determine the fate of a cell, many neur...
On the dangers of Boolean networks: Activity dependent criticality and threshold networks not faithful to biology
Boolean networks Activity dependent criticality
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2011/1/6
Spin models of neural networks and genetic networks are considered elegant as they are accessible to statistical mechanics tools for spin glasses and magnetic systems. However, the conventional choice...
Symmetric Criticality in Classical Field Theory
Symmetric Criticality Classical Field Theory
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2010/12/27
This is a brief overview of work done by Ian Anderson, Mark Fels, and myself on symmetry reduction of Lagrangians and Euler-Lagrange equations, a subject closely related to Palais' Principle of Symmet...
Quantum criticality in disordered bosonic optical lattices
Quantum criticality disordered bosonic optical lattices
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2010/11/25
Using the exact Bose-Fermi mapping, we study universal properties of ground-state density distributions and finite-temperature quantum critical behavior of one-dimensional hard-core bosons in trapped ...