Clark School Home UMD
ECE

ECE News Story

Mayergoyz’s Collaborative International Research Published in Physical Review Letters

Mayergoyz’s Collaborative International Research Published in Physical Review Letters

A paper co-authored by Alford L. Ward Professor Isaak Mayergoyz (ECE/UMIACS), Dr. Giorgio Bertotti of INRIM, and former post-doctoral researcher of Dr. Mayergoyz, Professor Serpico, will be published in the American Physical Society journal, Physical Review Letters (PRL). The paper is titled, “Probabilistic aspects of magnetization relaxation in single-domain nanomagnets."

A single-domain nonmagnet is a basic example of a system where relaxation from high to low energy is probabilistic in nature even when thermal fluctuations are neglected. The reason is the presence of multiple stable states combined with extreme sensitivity to initial conditions. It is demonstrated that for this system the probability of relaxing from high energies to one of the stable magnetization orientations can be tuned to whatever desired value between 0 and 1 by applying a small transverse magnetic field of appropriate amplitude. In particular, exact analytical predictions are derived for the conditions under which the probability of reaching one of the stable states becomes exactly 0 or 1. Under these conditions, magnetizations relaxation is totally insensitive to initial conditions and the final state can be predicted with certainty, a feature that could be exploited to devise novel magnetization switching strategies or novel methods for the measurement of the magnetization damping constant.

Today PRL is the world's foremost physics  journal, providing rapid publication of short reports of significant fundamental research in all fields of physics. International in scope, the journal provides its diverse readership with weekly coverage of major advances in physics and cross disciplinary developments. PRL's topical sections are devoted to general physics (including statistical and quantum mechanics, quantum information, etc.), gravitation and astrophysics; elementary particles and fields; nuclear physics; atomic, molecular, and optical physics; nonlinear dynamics, fluid dynamics, classical optics; plasma and beam physics; condensed matter; and soft-matter, biological, and interdisciplinary physics. The journal has an impact factor of 7.370 (2011).

Related Articles:
Former ECE Post-Doc Appointed Full Professor at the University of Naples
ECE Professor Mayergoyz Publishes in Physical Review B on Stochastic Resonance
Alumnus Adly Appointed to Deputy Minister of Higher Education for University Affairs 
Baras and Mayergoyz named Distinguished University Professors
Spheres of attraction, brought together by quantum physics
Quantum Torque—Stronger Than Expected
Prof. Isaak D. Mayergoyz Selected to be on the Prestigious Cover of IEEE Magnetics Letters
Alumnus Amr Adly makes Great Strides as Vice President for Graduate Studies and Research at Cairo University
Alumnus Amr Adly Promoted to Vice President at Cairo University
Mayergoyz and McAvoy Publish Unique Text on Electric Power Engineering

March 15, 2013


Prev   Next

Current Headlines

Alumna Mingyan Liu named ECE chair at University of Michigan

Alumnus Adly Appointed to Deputy Minister of Higher Education for University Affairs 

Baras and Mayergoyz named Distinguished University Professors

Prof. Joseph JaJa Named Interim Chair of ECE Department

Prof. Sang Bok Lee appointed director of Maryland NanoCenter

ECE Inducts Three New Distinguished Alumni

RC65 Honors Chellappa’s 65th Birthday and his Academic Contributions to Computer Vision Research

Ephremides leads new NSF Age of Information project

News Resources

Return to Newsroom

Search News

Archived News

Events Resources

Events Calendar

Additional Resources

UM Newsdesk

Faculty Experts