Don Priour's Home Page

Last modified September 26, 2007

General accounting

Figure lay-out with incipient text

layout with partial text

Log-log graphs

magnetization
$g_{2}$ parameter
$d\xi/dT$

Extrapolation graphs

$/nu$
$/beta/\nu$
$\alpha^{'}/\nu$

long paper draft
suggested long paper outline
tentative 2006 APS March Meeting slides

Postscript slides for the 2005 March APS meeting: (correlated impurities in Diluted Magnetic Semiconductors)

(1) Introduction
(2) System geometry
(3) Monte Carlo aspects
(4) additional Monte Carlo aspects
(5) randomly correlated impurities (I)
(6) randomly correlated impurities (II)
(7) impurities in superlattice configurations
(8) clustered impurities
(9) Conclusions

Slides for 2004 March APS meeting: ([d=2] Diluted Magnetic Semiconductors)

(1) title page
(2) system geometry
(3) RKKY interaction ([d=2] and [d=3])
(4) Finite temperature RKKY interaction
(5) Continuum Weiss mean field theory
(6) Lattice mean field theory
(7) Lattice mean field theory (results)
(8) Conclusions

Slides for March APS meeting (double perovskites)

(1) title page
(2) system geometry
(2.5) motivations
(3) orbital and band structure
(4) Hopping Diagram
(5) VCA matters
(6) VCA - technical
(7) "Extended" VCA
(8) Conclusions and additional remarks

Slides for March 2004 APS meeting (superconductivity)

(1) title page
(2) system geometry
(3) calculational aspects
(4) gauge lattice
(5) detail on sweeping process
(auxiliary A) detail on locating vortices
(6) graphs showing plateaus and GL energy profiles
(auxiliary B) phase diagram
(7) Cooper pair images (weak dipoles)
(8) Cooper pair images (stronger dipoles)
(9) Cooper pair images (three vortex patterns)[slide under edit]
(10) Cooper pair images (coalescence and reemergence)[slide under edit]
(11) Conclusions

Authorization form

(Author copyright consent form for Physica C)

DMS info

(T_c's with empirical parameters with Abrikosov/Gorkov T_c's and various cutoffs (Penn group [PRB 66,012408[2002])
(T_c's with empirical parameters with Abrikosov/Gorkov T_c's and various cutoffs (Ohno's group [PRB 57,R2037(1998)])
(Normalized T_c's with empirical parameters with Abrikosov/Gorkov T_c's and various cutoffs (Ohno's group [PRB 57,R2037(1998)])

previous research

(latest PRL manuscript[bold]) (1/13/2004)
(older PRL manuscript[bold]) (1/06/2004)
(second Physica C submission) (11/17)
(toward final version) (10/9)

(Sept. 5) Phase diagram showing intrusions of metastable states

Phase diagram

(Aug. 20) [sweeping from right to left, configurations]

First four pair plateau

Density plot for 5.98 positive flux units; 4 pairs per unit cell
Configuration image for 5.98 positive flux units; 4 pairs per unit cell
Density plot for 5.78 positive flux units; 4 pairs per unit cell
Configuration image for 5.78 positive flux units; 4 pairs per unit cell
Density plot for 5.67 positive flux units; 4 pairs per unit cell
Configuration image for 5.67 positive flux units; 4 pairs per unit cell
Density plot for 5.62 positive flux units; 4 flux units; 4 pairs per unit cell
Configuration image for 5.62 positive flux units; 4 pairs per unit cell

First zero pair plateau

Density plot for 5.57 positive flux units; 4 pairs per unit cell

Second 4 pair plateau

Density plot for 5.26 positive flux units; 4 pairs per unit cell
Configuration image for 5.26 positive flux units; 4 pairs per unit cell
Configuration image for 5.11 positive flux units; 4 pairs per unit cell

Three pair plateau

Density plot for 5.06 positive flux units; 3 pairs per unit cell
Configuration image for 5.06 positive flux units; 3 pairs per unit cell
Density plot for 4.95 positive flux units; 3 pairs per unit cell
Configuration image for 4.95 positive flux units; 3 pairs per unit cell

2.5 pair plateau

Density plot for 4.49 positive flux units; 2.5 pairs per unit cell
Configuration image for 4.49 positive flux units; 2.5 pairs per unit cell
Configuration image for 4.33 positive flux units; 2.5 pairs per unit cell
Density plot for 4.23 positive flux units; 2.5 pairs per unit cell
Configuration image for 4.23 positive flux units; 2.5 pairs per unit cell

2 pair plateaus

Density plot for 4.18 positive flux units; 2 pairs per unit cell
Configuration image for 4.18 positive flux units; 2 pairs per unit cell
Density plot for 4.07 positive flux units; 2 pairs per unit cell
Configuration image for 4.07 positive flux units; 2 pairs per unit cell
Density plot for 3.92 positive flux units; 2 pairs per unit cell
Configuration image for 3.92 positive flux units; 2 pairs per unit cell
Density plot for 3.82 positive flux units; 2 pairs per unit cell
Configuration image for 3.82 positive flux units; 2 pairs per unit cell
Density plot for 3.71 positive flux units; 2 pairs per unit cell
Configuration image for 3.71 positive flux units; 2 pairs per unit cell
Density plot for 3.61 positive flux units; 2 pairs per unit cell
Configuration image for 3.61 positive flux units; 2 pairs per unit cell
Density plot for 3.30 positive flux units; 2 pairs per unit cell
Configuration image for 3.30 positive flux units; 2 pairs per unit cell

Single pair plateaus

Density plot for 3.20 positive flux units; 1 pair per unit cell
Configuration image for 3.20 positive flux unit; 1 pair per unit cell
Density plot for 3.09 positive flux units; 1 pair per unit cell
Configuration image for 3.09 positive flux units; 1 pair per unit cell
Density plot for 2.89 positive flux units; 1 pair per unit cell
Configuration image for 2.89 positive flux units; 1 pair per unit cell
Density plot for 2.58 positive flux units; 1 pair per unit cell
Configuration image for 2.58 positive flux units; 1 pair per unit cell
Density plot for 2.37 positive flux units; 1 pair per unit cell
Configuration image for 2.37 positive flux units; 1 pair per unit cell
Density plot for 2.17 positive flux units; 1 pair per unit cell
Configuration image for 2.17 positive flux units; 1 pair per unit cell
Density plot for 1.50 positive flux units; 1 pair per unit cell
Configuration image for 1.50 positive flux units; 1 pair per unit cell

Global data on the leftward sweep

Pairs per unit cell for the 6.25 coherence length system
G-L energy per unit cell for the 6.25 coherence length system
Juxtaposed energies and pair densities

The rightward sweep (Sept. 2, 2003)

Rightward sweep (single pair plateau)

Density plot for 3.46 positive flux units; 1 pair per unit cell

Rightward sweep (2 pair plateaus)

Density plot for 3.51 positive flux units; 2 pairs per unit cell
Density plot for 3.77 positive flux units; 2 pairs per unit cell
Density plot for 4.07 positive flux units; 2 pairs per unit cell
Density plot for 4.13 positive flux units; 2 pairs per unit cell
Vortex configuration for 4.13 positive flux units; 2 pairs per unit cell

Rightward sweep (2.5 pair plateaus)

Density plot for 4.28 positive flux units; 2 pairs per unit cell
Vortex configuration for 4.28 positive flux units; 2 pairs per unit cell
Density plot for 4.49 positive flux units; 2 pairs per unit cell
Vortex configuration for 4.49 positive flux units; 2 pairs per unit cell

Rightward sweep (global information)

juxtaposed pair densities (global)
juxtaposed G-L energies (global)
juxtaposed pair densities (local)
juxtaposed G-L energies (local)

Rightward sweep (energy diagram with phase annotations)

energy differences with phase annotations (rightward and leftward sweeps)

(Aug. 25) vortex data

two rightward sweeps, different seeding
left and right sweeps
left and right sweeps (energies)
vortex configuration: three pairs per unit cell

DMS information (images from poster presented at Spintech II on August 6, 2003)

introduction
orientation panel
illustration of disordered mean field theory
panel with concavity phase plots
panel with Curie temperature graphs
panel with analytical expression for Curie Temperature
analytical expression, continued
panel illustrating saturation magnetization suppresion
conclusions panel
references page1
references page2

Links to other sites

Left/right sweeps showing hysteresis

left and rightsweeps
left and rightsweeps [energies]

rightward sweeps for assorted unit cell sizes

sweeps for assorted sizes
Ginzburg-Landau energy for right sweep (L=6.88 coherence lengths)

Slides for the March 2003 APS meeting

Talk title page (1)
Talk outline (2)
Experimental aspects (3)
Ginzburg-Landau theory (4)
Calculation specifics (5)
Remarks on fractional matching fields(6)
Cooper pair density plot, f = 1/16 (7)
Strong dipoles, f = 1/64 (not in talk!)
Strong dipoles, f = 1/64 [configuration plot] (not in talk!)
Cooper pair density plot, f = 1/4, stronq dipoles (8)
Cooper pair density plot, f = 1/2, strong dipoles (9))
Strong dipoles, f = 1/2 [configuration plot] (not in talk! )
Plot showing antivortex plateaus (10))
density plot, zero flux case; L = 40 coherence lengths (not in talk!)
[configuration plot], zero flux case; L = 40 coherence lengths (not in talk!) )
density plot, zero flux case; L = 43.5 coherence lengths (not in talk!))
[configuration plot], zero flux case; L = 43.5 coherence lengths (not in talk!))
density plot, zero flux case showing disorder; L = 50 coherence lengths (11)
[configuration plot], zero flux case; L = 50 coherence lengths (not in talk!)
density plot, zero flux case showing regular pattern; L = 53 coherence lengths (12))
[configuration plot], zero flux case; L = 53 coherence lengths (not in talk!) )
conclusions (13))

General accounting

fig1
fig2

RKKY coupling: Curie Temperatures and Magnetization curves

Monte Carlo Curie temperatures only
Monte Carlo Curie temperatures with MFT and adjusted MFT T_{c}'s
Magnetization curves for x = .03, l/a = .5, nc/ni = .1
Magnetization curves for x = .07, l/a = .5, nc/ni = .1

Cubic lattice; exponential coupling with disorder (x=.05)

(Magnetization curve for {x=.05,n=70,l/a=1.0}
(Magnetization curve for {x=.05,n=70,l/a=0.75}

Classical Heisenberg (simple cubic) results

(Magnetization curves for n={20,40,60}[cubic system])

Resubmitted DMS draft

("Enhancing T_{c} draft as resubmitted to PRL") [April 20, 2004]

Latest draft with kappa and Chibotaru reference

(draft with two changes)

Magnetization Curves M(T) for D=2 DMS

Magnetization curves for l/a = 1.0
Magnetization curves for l/a = 2.0

Concavity Results

Juxtaposed Concavity curves for l/a = 1.0 and l/a = 2.0
Concavity Color plot for l/a = 1.0 (qualitatively simliar to the case with J_{0}^{2D} = 1200)
Concavity Color plot for l/a = 1.5 (qualitatively similar to the case with J_{0}^{2D} = 1200)

Scarpulla's research and Montreal contributed talk

Scarpulla's Montreal talk
APL, Volume 82, P1251(2003)
PRB, Volume 67, P165205(2003)
Physica B, 340-342 (2003) 908-912

Professional Information

A curriculum vitae is available upon request.

djpriour@princeton.edu