Dr. Alex Umantsev

Alex Umantsev, Ph.D.
Professor of Physics
B.S., Moscow Institute for Physics and Technology
M.S., Moscow Institute for Transportation and Engineering
Ph.D., National Research Lab for Metallurgy, Moscow
Office: Lyons Science Annex Building (LSA) 322
Phone: (910) 672-1449
E-mail: aumantsev



Research Interest

Condensed- and soft-matter physics, computational materials physics and biophysics; particularly processes of pattern formation, nonequilibrium thermodynamic and dynamics of interfaces, theoretical methods and computer.


Publications and Scholarly Activities

1. “Motion of a plane front during crystallization”, A. Umantsev. Sov. Phys. Crystallography 30 (1), 87-91, (1985). 

2. “Mathematical model of growth of dendrites in a supercooled melt”, A. Umantsev, V.Vinogradov and V.Borisov. Sov. Phys. Crystallography 30(3), 262-265, (1985). 

3. “Modeling the evolution of a dendritic structure”, A. Umantsev, V.Vinogradov and V.Borisov. Sov. Phys. Crystallography 31 (5), 596-599, (1986). 

4. “Simulating dendritic structure-formation in the crystallization of a supercooled liquid, A. Umantsev, V.Vinogradov & V.Borisov, Industrial Laboratory, 52 (7) 1987, pp. 638-641.

5. “Nonisothermal relaxation in a nonlocal medium”, A. Umantsev and A. Roytburd. Sov. Phys. Solid State 30(4), 651-655, (1988). 

6. “Thermodynamic stability of phases and transition kinetics under adiabatic conditions”. A.Umantsev. J. Chem. Phys. 96(1), 605-617, (1992).


7. “Growth from a hypercooled melt near absolute stability”, A. Umantsev & S.H. Davis. Phys.Rev. A 45 (10), 7195-7201, (1992).

8. “Modulation mechanism for first-order transformations with nonconserved order parameter”, A.Umantsev & G.B. Olson. Phys. Rev.A 46 (10), Rapid Communications R6132-R6135, (1992).

 9. “Phase equilibria and transformations in adiabatic systems”, A. Umantsev and G.B. Olson. Phys.Rev. E 48 (6), 4229-4249, (1993).

10. “Ostwald ripening in multicomponent alloys”, A. Umantsev & G.B. Olson. Scripta Metal et Material, 29 1135-1140, (1993). 


11. “Continuum methods in the kinetic theory of phase transformations”. Proceedings of the PTM'94, Pittsburgh, PA, July 17-22, p.31, (1994). 

12. “Adiabatic phase transformations in confinement”, A. Umantsev. J. Chem. Phys. 107(5), pp1600-1616, (1997).

 13. “Thermal drag of the antiphase domain boundary motion”, A. Umantsev. Acta Mater., 46 (14), pp.4935-4939, (1998).

 14. “Continuum theory of interfacial segregation”, A. Umantsev. Phys. Rev. B 64 p.075419-075429 (2001).

 15. “Thermal effects of interfacial dynamics”, A. Umantsev. Interface Science , 9 349-356 (2001).

16. “Coherency strain assisted equilibrium segregation at heterophase interfaces”, A. Umantsev. Interface Science, 9 237-242 (2001).

 17. Thermal effects in dynamics of interfaces”, A. Umantsev. J.Chem.Phys. 116 (10), 4252-4265 (2002).116 (10), 4252-4265 (2002).

18. “Exploring the structure of a hydrogen cyanide polymer by electron spin resonance and scanning force microscopy”, M.P. Eastman, F.S.E. Helfrich, T.L. Porter, A. Umantsev and R. Weber. Scanning.25 (1),19-24 (2003).

 19. “Physical analogy between continuum thermodynamics and classical mechanics”, A. Umantsev. Phys. Rev. E 69, 016111 (2004).

 20. “Early stages of soldering reactions”, R.A. Lord and A. Umantsev. J. Appl. Phys. 98, 063525 (2005).

 21. “Adaptive Chaos: Mild disorder may help contain major disease” A. Z. Golbin and A. Umantsev, Medical Hypothesis 66, 182 (2006).

 22. “Modeling of intermediate phase growth”, A. Umantsev, J. Appl. Phys. 101, 024910 (2007).

 23. “Identification of material parameters for modeling of phase transformations”, A. Umantsev, Phys. Rev. B 75, 024202 (2007).

 24. “A General Approach to the Theory of Thermal Effects in Phase Transformations”, A. Umantsev. MRS Proceedings, Symposium HH, 0979 (2007).

 25. “Thermal Effects in Phase Transformations: A review”, A. Umantsev. Physica D, 235, 1 (2007).

 26. “Continuum theory of amorphous carbon nanostructures", A. Umantsev and Z. Akkerman, IEEE Sensors Journal, 8, 1041 (2008). 

27. “Thermodynamic Stability of Transition States in Nanosystems”, J. Stat. Phys. 136, 117 (2009). 

28. “Continuum theory of carbon phases”,A. Umantsev and Z. Akkerman, Carbon, 48, 8 (2010). 

29. “Correlations of Physiological Activities in Nocturnal Cheyne-Stokes Respiration” A. Umantsev and A. Golbin, Nature and Science of Sleep, 3, 21-32 (2011). 

30. "On the Origin of Biological Functions", A. Umantsev. Journal of Modern Physics. 2, 602 (2011). 

31. "Thermal Effects of Interface Motion in Crystallization", Modeling and Simulations in Materials Sciences and Engineering. 20, 045013 (2012). 

32. "Nanophases of Binary and Multicomponent Alloys". Acta Mater. 61, 1106-1117 (2013). 

Collaborations

Nucleation and Microstructure Formation

Universität Bayreuth, GermanyParticipants: Professor Heike Emmerich, Dr. Daming Li, Ms. Sia Gocheva

http://www.mps.uni-bayreuth.de/en/team/_guests/Umantsev_Alexander/index.html

Decision-Making across Biological ScalesIGPPEB and Department of Physics and Applied physics, Yale UniversityParticipants: Drs. Corey O'Hern and Lynne Regan

http://www.peb.yale.edu/partnerships.php 

Computer Modeling of Materials Behavior in Real-World ConditionsComputational Materials and Chemical Sciences NetworkParticipants: Computational Materials and Chemical Scientists of US

http://cmsn.phys.washington.edu/associates/index.old.php?start=U&end=Z

Professional Experiences and Memberships

2006-present Fayetteville State University, Fayetteville, NC 28301
Full Professor, Graduate Faculty, and Physics Coordinator

2002-2006 Fayetteville State University, Fayetteville, NC 28301
Associate Professor, Department of Natural Sciences

2001-2002 Northern Arizona University, Flagstaff, AZ 86011
Assistant Professor, Department of Physics and Astronomy

1997-2001 Saint-Xavier University, Chicago IL
Assistant Professor, Department of Chemistry and Physics

1995-1997 City Colleges of Chicago, Chicago IL
Instructor, Physical Science & Engineering Department, Truman College

1993- 1995 University of Alabama at Birmingham, Birmingham, AL
Research Assistant Professor, Department of Materials Science and Engineering

1990-1993 Northwestern University, Evanston, Illinois 60208
Research Associate, Department of Materials Science and Engineering

1989-1990 Northwestern University, Evanston, Illinois 60208
Post-Doctoral Fellow, Department of Engineering Science and Applied Mathematics

1980-1988 National Research Laboratories for Ferrous Metallurgy, Moscow, Russia
Doctoral Study to Post-Doctoral Fellow, Division of Theoretical Physics, Institute for Physics of Metals