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Below are reprints and preprints of our work on laser cooling and trapping of atoms, quantum computing, and spin-exchange optical pumping . |
| Laser cooling and trapping of atoms | |
Analysis
of a quantum logic device based on dipole-dipole interactions of
optically trapped Rydberg atoms  |
M. Saffman and T. G. Walker, Phys. Rev. A 72, 022347 (2005). |
| High-density mesoscopic atom
clouds in a holographic atom trap |
J. Sebby-Strabley, R. T. R. Newell, J. O. Day, E. Brekke, and T. G. Walker, Phys. Rev. A 71, 021401 (2005). |
| Zeroes of
Rydberg-Rydberg Foster interactions |
Thad G. Walker and Mark Saffman, J. Phys. B: At. Mol. Opt. Phys. 38, S309-S319 (2005). |
| Dense Atom Clouds in a Holographic Atom Trap | R. Newell, J. Sebby, and T. G. Walker, Opt. Lett 28, 1266 (2003). |
| Engineering single atom and single photon sources from entangled atomic ensembles | M. Saffman and T. G. Walker, Phys. Rev. A 66, 065403 (2002). |
| Non-destructive spatial heterodyne imaging of cold atoms | S. Kadlecek, J. Sebby, R. Newell, and T. G. Walker, Opt. Lett. 26, 137 (2001). |
| Light-Induced Ultracold Spin-Exchange Collisions | Renee C. Nesnidal and Thad G. Walker, Phys. Rev. A. 62, 030701 (2000). |
| Role of spontaneous emission in ultracold two-color optical collisions | C. I. Sukenik and T. Walker, Phys. Rev. A 59, 889 (1999). |
| A magneto-optical trap loaded from a pyramidal funnel | R. S. Williamson, P. A. Voytas, R.T. Newell, and T.Walker, Optics Express 3, 111 (1998). |
| Elasticand inelastic collisions of cold spin-polarized 133 Cs atoms | P. J. Leo, E. Tiesinga, P. S. Julienne, D. K. Walter, S. Kadlecek,and T. G. Walker, Phys. Rev. Lett. 81, 1389 (1998) |
| Lowsaturation intensities in two-photon ultracold collisions | C. I. Sukenik, D. Hoffmann, S. Bali, and T. G. Walker, Phys. Rev. Lett.,81,782 (1998) |
| Absolute Electron-Impact Ionization Cross Section Measurements Using a Magneto-OpticalTrap | R. S. Shappe, T. G. Walker, L.W. Anderson, and Chun C. Lin, Phys. Rev.Lett. 76, 4328 (1996) |
| Trap-Depth Measurements Using Ultra-cold Collisions | D. Hoffmann, S. Bali, and T. G. Walker, Phys. Rev. A. 54, 1030(1996) |
| A New Multilayer Dielectric Structure for Enhancement of Evanescent Waves | R. C. Nesnidal and T. G. Walker, Applied Optics, 35, 2226 (1996) |
| Measurements of Intensity Correlations of Scattered Light from Laser-Cooled Atoms | S. Bali, D. Hoffmann, J. Siman, and T. G. Walker, Phys. Rev. A, 53,3469 (1996) |
| Magneto-optical trapping and ultracold collisions of potassium atoms | R. S. Williamson and T. G. Walker, Journal of the Optical Society ofAmerica B, 12, 1393 (1995) |
| Electron Collision Cross-Sections Measured with the Use of a Magneto-Optical Trap | R. S. Schappe, P. Feng, L. W. Anderson, C. C. Lin, and T. G. Walker,Europhysics Lett. 29, 439 (1995) |
| Novel Intensity Dependence of Ultra-cold Collisions Involving Repulsive States | S. Bali, D. Hoffmann, and T. G. Walker, Europhysics Letters, 27,273 (1994) |
| Inexpensive diode laser microwave modulation for atom trapping | P. Feng and T. G. Walker, Am. J. Phys., 63, 905 (1994) |
| Measurementsof Rb Trap-loss Collision Spectra | D. Hoffmann, P. Feng, and T. G. Walker, Journal of the Optical Societyof America B, 11, 712 (1994) |
| Laser-Induced Ultracold Rb(5S1/2) + Rb(5P1/2) Collisions | M. G. Peters, D. Hoffmann, J. D. Tobiason, and T. G. Walker, Phys.Rev. A. 50, 906 (1994) |
| Effects of Hyperfine Structure on Alkali Trap-Loss Collisions | T. G. Walker and D. Pritchard, Laser Physics 4, 1085 (1994) |
| Three-Dimensional Analytical Calculation of the Magneto-Optical Trapping Forces on a StationaryJ = 0 -> J = 1 Atom | T. G. Walker, Laser Physics 4, 965 (1994) |
| Comparison of Trap-Loss Collision Spectra for 85Rb and 87Rb | P. Feng, D. Hoffmann, and T. G. Walker, Phys. Rev. A. 47, 3495(1993) |
| Measurements of Collisions Between Laser-Cooled Atoms(Review Paper--sorry, no PDF file) | T. G. Walker and P. Feng, Advances in Atomic, Molecular, and OpticalPhysics, 34, 125 (1993) |
| A Spin-Polarized Spontaneous-Force Atom Trap | T. G. Walker, P. Feng, D. Hoffmann, and R. S. Williamson, Phys. Rev.Lett. 69, 2168 (1992) |
| Excited-State Collisions of Trapped 85Rb Atoms | D. Hoffmann, P. Feng, R. S. Williamson, and T. G. Walker, Phys. Rev.Lett. 69, 753 (1992) |
| A Vortex-Force Atom Trap | D. Hoffmann, P. Feng, R. S. Williamson, and T. G. Walker, Phys. Lett.A. 163, 309 (1992) |
| Spin-Exchange Optical Pumping | |
| 3He
polarization-dependent EPR frequency shifts of alkali-metal
3He pairs |
Earl Babcock, Ian A. Nelson, Steve Kadlecek, and Thad G. Walker Phys. Rev. A 71, 013414 (2005). |
| >Production of highly
polarized 3He using spectrally narrowed diode laser array
bars |
B. Chann, E. Babcock, L. W. Anderson, T. G. Walker, W. C. Chen, T. B. Smith, A. K. Thompson, and T. R. Gentile J. Appl. Phys. 94, 6908 (2003). |
| E. Babcock, I. A. Nelson, S. Kadlecek, B. Driehuys, L. W. Anderson, F. W. Hersman, and T. G. Walker, Phys. Rev. Lett. 88, 123003 (2003). | |
Skew Light Propagation in Optically Thick Optical Pumping Cell |
>B. Chann,E. Babcock,L. W. Anderson,and T. G.Walker, Phys. Rev. A 66, 033406 (2002). |
| B. Chann,E. Babcock, L. W. Anderson, and T. G.Walker, Phys. Rev. A 66, 032703 (2002). | |
| B. Chann, I. A. Nelson, L. W. Anderson, B. Driehuys, and T. G. Walker, Phys. Rev. Lett. 91, 113201 (2002). | |
| I. Nelson and T. G. Walker, Phys Rev A 65, 012712 (2002) . | |
| Spin relaxation in alkali-metal 1Sg+ dimers | S. Kadlecek, L. W. Anderson, C. J. Erickson, and T. G. Walker, Phys. Rev. A 64, 052717 (2001). |
| Faraday rotation density measurements of optically thick alkali metal vapors | E. Vliegen, S. Kadlecek, L. W. Anderson, T. G. Walker, C. J. Erickson, and W. Happer, Nuc. Inst. Methods Phys. Res. A 460, 444 (2001). |
| Spin-axis relaxation in spin-exchange collisions of alkali-metal atoms | S. Kadlecek, T. Walker, D. K. Walter, C. Erickson, and W. Happer, Phys. Rev. A 63, 052717 (2001) |
| I. Nelson, B. Chann, and T. G. Walker, Opt. Lett 25, 1352 (2000). | |
Spin-Exchange Optical Pumping Using a Frequency-Narrowed High Power Diode Laser |
I. Nelson, B. Chann, and T. G. Walker, Appl. Phys. Lett 76 , 1356 (2000) |
| Field Dependence of Spin Relaxation in a Dense Rb Vapor | S. Kadlecek, L. W. Anderson, and T. G. Walker, Phys. Rev. Lett. 80,5512 (1998) |
| Estimates of the relative magnitudes of the isotropic and anisotropic magnetic dipole hyperfine interactions in alkali-metal-noble-gas systems | D. K. Walter, W. Happer, and T. G. Walker, Phys. Rev. A 58,3642, 1998. |
| Measurementof K-K Spin Relaxation Cross Sections | S. Kadlecek, L.W. Anderson, and T.G. Walker, Nuclear Instruments andMethods, 402, 208 (1998) |
| Spin-Rotation Interaction of Alkali-Metal-He Atom Pairs | J. H. Thywissen, W. Happer, and T.G. Walker, Phys. Rev. A. 56,2090 (1997) |
| Spin-exchange optical pumping of noble-gas nuclei | T. G. Walker and W. Happer, RMP. 69, 629 (1997) |
| Spin-exchange optical pumping of hydrogen and deuterium nuclei | L. W. Anderson and T. G. Walker, Nuclear Instruments and Methods A.357,220 (1995) |
| Laser optical pumping of potassium in a high magnetic field using linearly polarized light | C. Martin, T. G. Walker, L. W. Anderson, and D. R. Swenson, NuclearInstruments & Methods in Physics Research A. 335, 233 (1993) |
| Consequences of spin-exchange collisions for polarized hydrogen and deuterium targets | L. W. Anderson and T. G. Walker, Phys. Rev. Lett. 71, 2346 (1993) |
| The effect of radiation trapping on a high field spin exchange optically pumped target | L. W. Anderson and T. G. Walker, Nuclear Instruments & Methodsin Physics Research. 316, 123 (1992) |
| Physics Education | |
| Holography Without Photography | T. G. Walker, Am. J. Phys 67, 783 (1999) |
| Inexpensive diode laser microwave modulation for atom trapping | P. Feng and T. G. Walker, Am. J. Phys., 63, 905 (1994) |
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Last Updated: 9/12/05, 11:30am