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A Multi-hole Cryovial Eliminates Freezing Artifacts when Muscle Tissues are Directly Immersed in Liquid Nitrogen

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Zero-temperature freezing in the three-dimensional kinetic Ising model.

J Olejarz¹, P L Krapivsky, S Redner

¹Center for Polymer Studies and Department of Physics, Boston University, Boston, Massachusetts 02215, USA.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics

|April 27, 2011

Summary

This summary is machine-generated.

We studied the Ising-Glauber model after a rapid temperature drop. Unexpectedly, domains became complex, spins remained dynamic, and energy relaxation slowed exponentially with system size, challenging phase-ordering kinetics theories.

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Area of Science:

Statistical mechanics
Condensed matter physics
Computational physics

Background:

The Ising-Glauber model describes magnetic systems.
Phase-ordering kinetics typically predicts domain coarsening.
Understanding system relaxation after a temperature quench is crucial.

Purpose of the Study:

To investigate the relaxation dynamics of the Ising-Glauber model on a cubic lattice after quenching to zero temperature.
To compare findings with conventional phase-ordering kinetics predictions.
To characterize the long-time behavior of the system.

Main Methods:

Simulations of the Ising-Glauber model on a periodic cubic lattice.
Analysis of domain structure, spin dynamics, and energy relaxation.
Focus on system size dependence of these properties.

Main Results:

Observed highly interpenetrating and topologically complex domains.
Found that the average genus grows algebraically with system size.
Identified "blinker" spins that flip continuously without energy cost.
Determined that energy relaxation time grows exponentially with system size.

Conclusions:

The system's long-time state deviates significantly from conventional phase-ordering kinetics.
Topological complexity and persistent spin dynamics characterize the low-temperature state.
Extremely slow energy relaxation suggests novel low-temperature behavior.