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Publications
Highlights by Citations [papers that received more than 50 citations]
Y. Song, S. Ryu, P. Sen, Determining multiple length scales in rocks, Nature, 406, 178, 2000. [citations]
S. Ryu, M. Hellerqvist, S. Doniach, A. Kapitulnik, D. Stroud, Dynamical Phase Transition in a Driven Disordered Vortex Lattice, Physical Review Letters, 77, 5114, 1996. [citations]
S. Ryu, A. Kapitulnik, S. Doniach, Field-driven topological glass transition in a model flux line lattice, Physical Review Letters, 77, 2300, 1996. [citations]
S. Ryu, S. Doniach, G. Deutcher, A. Kapitulnik, Monte Carlo Simulation of Flux Lattice Melting in a Model High Superconductor, Physical Review Letters, 68, 710, 1992. [citations]
Highlights by Journals
T. Brill, S. Ryu, R. Gaylor, J. Jundt, D. Griffin, Y. Song, P. Sen, M. Hurlimann, Nonresonant multiple spin echoes, Science, 297, 369, 2002.
Y. Song, S. Ryu, P. Sen, Determining multiple length scales in rocks, Nature, 406, 178, 2000.
S. Ryu, D. L. Johnson, Aspects of diffusion relaxation dynamics with a non-uniform, partially absorbing boundary in general porous media, Physical Review Letters, 103, 118701, 2009.
Y. Song, L. Zielinski, S. Ryu, Two-dimensional NMR of diffusion systems, Physical Review Letters, 100, 248002, 2008.
S. Ryu, M. Hellerqvist, S. Doniach, A. Kapitulnik, D. Stroud, Dynamical Phase Transition in a Driven Disordered Vortex Lattice, Physical Review Letters, 77, 5114, 1996.
S. Ryu, A. Kapitulnik, S. Doniach, Field-driven topological glass transition in a model flux line lattice, Physical Review Letters, 77, 2300, 1996.
S. Ryu, D. Stroud, Magnetization Jump in a Model for Flux Lattice Melting at Low Magnetic Fields, Physical Review Letters, 78, 4629, 1997.
S. Ryu, A. Kapitulnik, S. Doniach, Effects of Columnar Pins on the Flux Line Dynamics, Physical Review Letters, 71, 4245, 1993.
S. Ryu, S. Doniach, G. Deutcher, A. Kapitulnik, Monte Carlo Simulation of Flux Lattice Melting in a Model High Superconductor, Physical Review Letters, 68, 710, 1992.
Invited Papers
S. Ryu, D. Stroud, Numerical simulations of magnetic properties of high temperature superconductors, invited contribution (book chapter) to Superconducting state in magnetic fields, edited by C. de Melo, World Scientific, Singapore, 1998.
S. Ryu, A. Kapitulnik, S. Doniach, The nature of long range order in the vortex lattice of high Tc superconductors, Invited Paper, SPIE, 2157, 12, 1994.
Complete Chronological Listing in open literature (with links to pdf or source)
S. Ryu, W. Zhao, G. Leu, P. Singer, H. Cho, Y. Keehm, Numerical modeling of complex porous media for borehole application, in Advances in Computed Tomography for Geomaterials, Edited by K. Alshibli and A. Reed, Wiley, 2010. [pdf] [amazon.com]
S. Ryu, D. L. Johnson, Aspects of diffusion relaxation dynamics with a non-uniform, partially absorbing boundary in general porous media, Physical Review Letters, 103, 118701, 2009.[pdf]
S. Ryu, Effects of inhomogeneous partial absorption and the geometry of the boundary on the population evolution of molecules diffusing in general porous media, Physical Review E, 80, 026109, 2009. [pdf]
S. Ryu, Effects of inhomogeneous surface relaxivity, pore geometry and internal field gradient on NMR logging: exact and perturbative theories and numerical investigations, paper JJJJ, proceedings SPWLA, 2009. [pdf]
H. Cho, S. Ryu, J. Ackerman, Y. Song, Visualization of inhomogeneous local magnetic field gradient due to susceptibility contrast, J. Mag. Res, 198, 88, 2009. [pdf]
S. Ryu, Numerical modeling of the carbonate and the sandstone formations, Diffusion Fundamentals, 10, 17.1-3, 2009. [pdf]
Y. Song, L. Zielinski, S. Ryu, Two-dimensional NMR of diffusion systems, Physical Review Letters, 100, 248002, 2008. [pdf]
S. Ryu, Effects of spatially varying surface relaxivity and pore shape on NMR loggig, paper BB, Proceedings SPWLA, 2008. [pdf]
C. Harrison, A. Fornari, H. Chen, S. Ryu, A. Goodwin, K. Hsu, F. Marty, I. Papautsky, W. Wang, A microfluidic MEMS sensor for measurement of density and viscosity at high pressure, SPIE 6465, U-13, 2007. [pdf]
C. Harrison, S. Ryu, A. Goodwin, K. Hsu, E. Donzier, F. Marty, B. Mercier, D. Tanner, R. Ramesham, A MEMS sensor for the measurement of density-viscosity for oilfield applications, SPIE 6111, D-11, 2006. [pdf]
B. Audoly, P. N. Sen, S. Ryu, Y.-Q. Song, Correlation functions for inhomogeneous magnetic field in random media with application to a dense random pack of spheres, J. of Mag. Res, 164, 154, 2003. [pdf]
L. J. Zielinski, Y. Song, S. Ryu, P. N. Sen, Characterization of coupled pore systems from the diffusion eigenspectrum, J. Chem. Phys., 117, 5361, 2002. [pdf]
T. Brill, S. Ryu, R. Gaylor, J. Jundt, D. Griffin, Y. Song, P. Sen, M. Hurlimann, Nonresonant multiple spin echoes, Science, 297, 369, 2002. [pdf]
S. Ryu, Probing pores using elementary Quantum mechanics, Mag. Res. Imag, 19, 411, 2001. [pdf]
Y. Song, S. Ryu, P. Sen, Determining multiple length scales in rocks, Nature, 406, 178, 2000. [pdf]
S. Ryu, D. Stroud, Nature of the Low Field Transition in the Mixed State of High Temperature Superconductors, Physical Review B, 57, 14476, 1998. [pdf]
S. Ryu, D. Stroud, Numerical simulations of magnetic properties of high temperature superconductors, invited contribution to Superconducting state in magnetic fields, edited by C. de Melo, World Scientific, Singapore, 1998. [google books] [amazon.com]
B. J. Kim, M. Y. Choi, S. Ryu, D. Stroud, Anomalous relaxation in the XY gauge glass, Physical Review B, 1997.
S. Ryu, D. Stroud, Magnetization Jump in a Model for Flux Lattice Melting at Low Magnetic Fields, Physical Review Letters, 78, 4629, 1997. [pdf]
S. Ryu, M. Hellerqvist, S. Doniach, A. Kapitulnik, D. Stroud, Dynamical Phase Transition in a Driven Disordered Vortex Lattice, Physical Review Letters, 77, 5114, 1996. [pdf]
S. Ryu, A. Kapitulnik, S. Doniach, Field-driven topological glass transition in a model flux line lattice, Physical Review Letters, 77, 2300, 1996. [pdf]
I. J. Hwang, S. Ryu, D. Stroud, Screening in Josephson junction ladders, Physical Review B, 53, R506, 1996. [pdf]
D. Stroud, I. J. Hwang, S. Ryu, Simulations of Shapiro steps in Josephson junction arrays, Physica B, 222, 331, 1996.
S. Ryu, D. Stroud, First order melting and dynamics of flux lines in a model for YBCO, Physical Review B, 54, 1320, 1996. [pdf]
S. Ryu, W. Yu, D. Stroud, Dynamics of an underdampled Josephson junction ladder, Physical Review E, 53, 2190, 1996.
S. Doniach, S. Ryu, A. Kapitulnik, Vortex lattice melting, pinning and kinetics, J. Low Temp. Phys., 95, 353, 1994.
S. Ryu, A. Kapitulnik, S. Doniach, The nature of long range order in the vortex lattice of high Tc superconductors, Invited Paper, SPIE, 2157, 12, 1994.
S. Ryu, A. Kapitulnik, S. Doniach, Effects of Columnar Pins on the Flux Line Dynamics, Physical Review Letters, 71, 4245, 1993. [pdf]
S. Ryu, S. Doniach, G. Deutcher, A. Kapitulnik, Monte Carlo Simulation of Flux Lattice Melting in a Model High Superconductor, Physical Review Letters, 68, 710, 1992. [pdf]
M. Hellerqvist, S. Ryu, L. W. Lombardo, A. Kapitulnik, Vortex decoupling crossover in BSCCO, Physica C, 230, 170, 1994.
X. D. Xu, J. G. Fanton, G. S. Kino, S. Ryu, D. B. Mitzi, A. Kapitulnik, Thermal diffusivity of BSCCO Single crystals, Physica C, 218, 417, 1993.
S. Ryu, S. Doniach, A. Kapitulnik, G. Deutcher, Simulations of vortex lattice melting: evidence for two melting transitions, Phenomenology and applications of high temperature superconductors, edited by K. S. Bendell et al, Addison-Wesley, 1991.
C. B. Eom, J. Z. Sun, S. Ryu, S. S. Laderman, K. Yamamoto, A. Kapitulnik, T. Geballe, Orientation dependent resistive transition broadening in magnetic field of YBCO thin films, Physica C, 162, 605, 1989.
J. Park, S. Ryu, M. Han, S. Oh, Charge transfer satellite in the 2p core level photoelectron spectra of heavy transition-metal dihalides, Physical Review B, 37, 10867, 1988.
Patents
Harrison, Goodwin, Chen, Angelescu, Fornari, Giroux, Etchart, Ryu, Hsu, Jundt, Sullivan, Microfluidic downhole density and viscosity sensor, 60.1620.US NP, 2008. under review, (US filed in 2007; PCT filed in 2008) [pdf]
Song, Ryu, Nuclear magnetic resonance method and apparatus for determining pore characteristics of rocks and other porous materials, awarded US 6369567 B1. [pdf]
Hurlimann, Song, Ryu, Sen, Magnetic resonance logging method and apparatus, awarded US 6133735 A. [pdf]
Presentations made in Conferences and Workshops
Numerical Modeling of Complex Porous Media For Borehole Applications:NMR-response and Transport in the Carbonate and Sandstone Rock, S. Ryu, W. Zhao, G. Leu, P. Singer, H. Cho, Y. Keehm, GEOX2010, New Orleans, USA, 2010.
Numerical modeling of the carbonate and the sandstone formations, Magnetic Resonance in Porous Media 9, Cambridge, USA, 2008.
Effects of spatially varying surface relaxivity and pore shape on NMR logging, SPWLA 2008, Edinburgh, UK, 2008.
Pore-scale parallel simulations of NMR and transport in carbonates, ERL, MIT, Cambridge, USA, 2007.
Probing pore geometry and related physical properties, Physics Dept, Boston University, Boston, USA, 2007.
Flow and random walks through porous media and loosely coupled computers, Gordon Conference 06 on Flow through porous media, Andover, USA, 2006.
Parallel simulations of fluid transport in 3D porous media, World wide developers conference, 2006, San Francisco, USA.
Probing pore geometry using NMR and numerical simulations, presentation given in EUG XI, Strassbourg, France, 2001.
Magnetic Resonance in Porous Media, NMR, Pore Geometry and Quantum Mechanical Analogues : A New Perspective, Fifth International Meeting on Recent Advances in Magnetic Resonance Applications to Porous Media, Bologna, Italy, 2000.
Magnetic Relaxation in an Inhomogeneous Field in Porous Rocks, APS meeting, Atlanta, USA, 1999.
Seminars presented at U of Mass Amherst, Johns Hopkins U, Brown U, Pohang Institute of Technology, Seoul National University, 1997.
Gordon Conference on Frontiers of Condensed matter physics, Tilton School, NH, USA, 1996.
Numerical modeling of phase transitions in vortex lattice systems in HTSC, invited speaker, Workshop on computational superconductivity, Argonne National Laboratory, Chicago, USA, 1996.
Gordon Conference on Non-equilibrium aspects of type II superconductors, Brewster Academy, New Hampshire, USA, 1995.
The nature of long range order in the vortex lattice of high Tc superconductors, invited talk, SPIE, USA, 1994.
NATO Advanced School on Vortices in Superfluids, Cargese, France, 1993.
EPRI/ASC Workshop on High temperature superconductivity, invited presentation, Half Moon Bay, California, USA, 1993.
Gordon Conference on Strongly Correlated Systems, poster, Brewster Academy, New Hampshire. USA, 1990.
Annual APS meeting presentations, 1989 - 1999, 2008.
Fellowship and Awards
1994-1995 University President's Fellow, Ohio State University
Journal Refereed
Physical Review Letters
Physical Review B
Physical Review E
Europhysics Letters
Journal of Physics
Geophysics
Journal of Water Resource Research
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